zpool_main.c revision 288572
1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 25 * Copyright (c) 2011, 2015 by Delphix. All rights reserved. 26 * Copyright (c) 2012 by Frederik Wessels. All rights reserved. 27 * Copyright (c) 2012 Martin Matuska <mm@FreeBSD.org>. All rights reserved. 28 * Copyright (c) 2013 by Prasad Joshi (sTec). All rights reserved. 29 */ 30 31#include <solaris.h> 32#include <assert.h> 33#include <ctype.h> 34#include <dirent.h> 35#include <errno.h> 36#include <fcntl.h> 37#include <libgen.h> 38#include <libintl.h> 39#include <libuutil.h> 40#include <locale.h> 41#include <stdio.h> 42#include <stdlib.h> 43#include <string.h> 44#include <strings.h> 45#include <unistd.h> 46#include <priv.h> 47#include <pwd.h> 48#include <zone.h> 49#include <sys/time.h> 50#include <zfs_prop.h> 51#include <sys/fs/zfs.h> 52#include <sys/stat.h> 53 54#include <libzfs.h> 55 56#include "zpool_util.h" 57#include "zfs_comutil.h" 58#include "zfeature_common.h" 59 60#include "statcommon.h" 61 62static int zpool_do_create(int, char **); 63static int zpool_do_destroy(int, char **); 64 65static int zpool_do_add(int, char **); 66static int zpool_do_remove(int, char **); 67static int zpool_do_labelclear(int, char **); 68 69static int zpool_do_list(int, char **); 70static int zpool_do_iostat(int, char **); 71static int zpool_do_status(int, char **); 72 73static int zpool_do_online(int, char **); 74static int zpool_do_offline(int, char **); 75static int zpool_do_clear(int, char **); 76static int zpool_do_reopen(int, char **); 77 78static int zpool_do_reguid(int, char **); 79 80static int zpool_do_attach(int, char **); 81static int zpool_do_detach(int, char **); 82static int zpool_do_replace(int, char **); 83static int zpool_do_split(int, char **); 84 85static int zpool_do_scrub(int, char **); 86 87static int zpool_do_import(int, char **); 88static int zpool_do_export(int, char **); 89 90static int zpool_do_upgrade(int, char **); 91 92static int zpool_do_history(int, char **); 93 94static int zpool_do_get(int, char **); 95static int zpool_do_set(int, char **); 96 97/* 98 * These libumem hooks provide a reasonable set of defaults for the allocator's 99 * debugging facilities. 100 */ 101 102#ifdef DEBUG 103const char * 104_umem_debug_init(void) 105{ 106 return ("default,verbose"); /* $UMEM_DEBUG setting */ 107} 108 109const char * 110_umem_logging_init(void) 111{ 112 return ("fail,contents"); /* $UMEM_LOGGING setting */ 113} 114#endif 115 116typedef enum { 117 HELP_ADD, 118 HELP_ATTACH, 119 HELP_CLEAR, 120 HELP_CREATE, 121 HELP_DESTROY, 122 HELP_DETACH, 123 HELP_EXPORT, 124 HELP_HISTORY, 125 HELP_IMPORT, 126 HELP_IOSTAT, 127 HELP_LABELCLEAR, 128 HELP_LIST, 129 HELP_OFFLINE, 130 HELP_ONLINE, 131 HELP_REPLACE, 132 HELP_REMOVE, 133 HELP_SCRUB, 134 HELP_STATUS, 135 HELP_UPGRADE, 136 HELP_GET, 137 HELP_SET, 138 HELP_SPLIT, 139 HELP_REGUID, 140 HELP_REOPEN 141} zpool_help_t; 142 143 144typedef struct zpool_command { 145 const char *name; 146 int (*func)(int, char **); 147 zpool_help_t usage; 148} zpool_command_t; 149 150/* 151 * Master command table. Each ZFS command has a name, associated function, and 152 * usage message. The usage messages need to be internationalized, so we have 153 * to have a function to return the usage message based on a command index. 154 * 155 * These commands are organized according to how they are displayed in the usage 156 * message. An empty command (one with a NULL name) indicates an empty line in 157 * the generic usage message. 158 */ 159static zpool_command_t command_table[] = { 160 { "create", zpool_do_create, HELP_CREATE }, 161 { "destroy", zpool_do_destroy, HELP_DESTROY }, 162 { NULL }, 163 { "add", zpool_do_add, HELP_ADD }, 164 { "remove", zpool_do_remove, HELP_REMOVE }, 165 { NULL }, 166 { "labelclear", zpool_do_labelclear, HELP_LABELCLEAR }, 167 { NULL }, 168 { "list", zpool_do_list, HELP_LIST }, 169 { "iostat", zpool_do_iostat, HELP_IOSTAT }, 170 { "status", zpool_do_status, HELP_STATUS }, 171 { NULL }, 172 { "online", zpool_do_online, HELP_ONLINE }, 173 { "offline", zpool_do_offline, HELP_OFFLINE }, 174 { "clear", zpool_do_clear, HELP_CLEAR }, 175 { "reopen", zpool_do_reopen, HELP_REOPEN }, 176 { NULL }, 177 { "attach", zpool_do_attach, HELP_ATTACH }, 178 { "detach", zpool_do_detach, HELP_DETACH }, 179 { "replace", zpool_do_replace, HELP_REPLACE }, 180 { "split", zpool_do_split, HELP_SPLIT }, 181 { NULL }, 182 { "scrub", zpool_do_scrub, HELP_SCRUB }, 183 { NULL }, 184 { "import", zpool_do_import, HELP_IMPORT }, 185 { "export", zpool_do_export, HELP_EXPORT }, 186 { "upgrade", zpool_do_upgrade, HELP_UPGRADE }, 187 { "reguid", zpool_do_reguid, HELP_REGUID }, 188 { NULL }, 189 { "history", zpool_do_history, HELP_HISTORY }, 190 { "get", zpool_do_get, HELP_GET }, 191 { "set", zpool_do_set, HELP_SET }, 192}; 193 194#define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) 195 196static zpool_command_t *current_command; 197static char history_str[HIS_MAX_RECORD_LEN]; 198static boolean_t log_history = B_TRUE; 199static uint_t timestamp_fmt = NODATE; 200 201static const char * 202get_usage(zpool_help_t idx) { 203 switch (idx) { 204 case HELP_ADD: 205 return (gettext("\tadd [-fn] <pool> <vdev> ...\n")); 206 case HELP_ATTACH: 207 return (gettext("\tattach [-f] <pool> <device> " 208 "<new-device>\n")); 209 case HELP_CLEAR: 210 return (gettext("\tclear [-nF] <pool> [device]\n")); 211 case HELP_CREATE: 212 return (gettext("\tcreate [-fnd] [-o property=value] ... \n" 213 "\t [-O file-system-property=value] ... \n" 214 "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n")); 215 case HELP_DESTROY: 216 return (gettext("\tdestroy [-f] <pool>\n")); 217 case HELP_DETACH: 218 return (gettext("\tdetach <pool> <device>\n")); 219 case HELP_EXPORT: 220 return (gettext("\texport [-f] <pool> ...\n")); 221 case HELP_HISTORY: 222 return (gettext("\thistory [-il] [<pool>] ...\n")); 223 case HELP_IMPORT: 224 return (gettext("\timport [-d dir] [-D]\n" 225 "\timport [-d dir | -c cachefile] [-F [-n]] <pool | id>\n" 226 "\timport [-o mntopts] [-o property=value] ... \n" 227 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 228 "[-R root] [-F [-n]] -a\n" 229 "\timport [-o mntopts] [-o property=value] ... \n" 230 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 231 "[-R root] [-F [-n]]\n" 232 "\t <pool | id> [newpool]\n")); 233 case HELP_IOSTAT: 234 return (gettext("\tiostat [-v] [-T d|u] [pool] ... [interval " 235 "[count]]\n")); 236 case HELP_LABELCLEAR: 237 return (gettext("\tlabelclear [-f] <vdev>\n")); 238 case HELP_LIST: 239 return (gettext("\tlist [-Hpv] [-o property[,...]] " 240 "[-T d|u] [pool] ... [interval [count]]\n")); 241 case HELP_OFFLINE: 242 return (gettext("\toffline [-t] <pool> <device> ...\n")); 243 case HELP_ONLINE: 244 return (gettext("\tonline [-e] <pool> <device> ...\n")); 245 case HELP_REPLACE: 246 return (gettext("\treplace [-f] <pool> <device> " 247 "[new-device]\n")); 248 case HELP_REMOVE: 249 return (gettext("\tremove <pool> <device> ...\n")); 250 case HELP_REOPEN: 251 return (gettext("\treopen <pool>\n")); 252 case HELP_SCRUB: 253 return (gettext("\tscrub [-s] <pool> ...\n")); 254 case HELP_STATUS: 255 return (gettext("\tstatus [-vx] [-T d|u] [pool] ... [interval " 256 "[count]]\n")); 257 case HELP_UPGRADE: 258 return (gettext("\tupgrade [-v]\n" 259 "\tupgrade [-V version] <-a | pool ...>\n")); 260 case HELP_GET: 261 return (gettext("\tget [-Hp] [-o \"all\" | field[,...]] " 262 "<\"all\" | property[,...]> <pool> ...\n")); 263 case HELP_SET: 264 return (gettext("\tset <property=value> <pool> \n")); 265 case HELP_SPLIT: 266 return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n" 267 "\t [-o property=value] <pool> <newpool> " 268 "[<device> ...]\n")); 269 case HELP_REGUID: 270 return (gettext("\treguid <pool>\n")); 271 } 272 273 abort(); 274 /* NOTREACHED */ 275} 276 277 278/* 279 * Callback routine that will print out a pool property value. 280 */ 281static int 282print_prop_cb(int prop, void *cb) 283{ 284 FILE *fp = cb; 285 286 (void) fprintf(fp, "\t%-15s ", zpool_prop_to_name(prop)); 287 288 if (zpool_prop_readonly(prop)) 289 (void) fprintf(fp, " NO "); 290 else 291 (void) fprintf(fp, " YES "); 292 293 if (zpool_prop_values(prop) == NULL) 294 (void) fprintf(fp, "-\n"); 295 else 296 (void) fprintf(fp, "%s\n", zpool_prop_values(prop)); 297 298 return (ZPROP_CONT); 299} 300 301/* 302 * Display usage message. If we're inside a command, display only the usage for 303 * that command. Otherwise, iterate over the entire command table and display 304 * a complete usage message. 305 */ 306void 307usage(boolean_t requested) 308{ 309 FILE *fp = requested ? stdout : stderr; 310 311 if (current_command == NULL) { 312 int i; 313 314 (void) fprintf(fp, gettext("usage: zpool command args ...\n")); 315 (void) fprintf(fp, 316 gettext("where 'command' is one of the following:\n\n")); 317 318 for (i = 0; i < NCOMMAND; i++) { 319 if (command_table[i].name == NULL) 320 (void) fprintf(fp, "\n"); 321 else 322 (void) fprintf(fp, "%s", 323 get_usage(command_table[i].usage)); 324 } 325 } else { 326 (void) fprintf(fp, gettext("usage:\n")); 327 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 328 } 329 330 if (current_command != NULL && 331 ((strcmp(current_command->name, "set") == 0) || 332 (strcmp(current_command->name, "get") == 0) || 333 (strcmp(current_command->name, "list") == 0))) { 334 335 (void) fprintf(fp, 336 gettext("\nthe following properties are supported:\n")); 337 338 (void) fprintf(fp, "\n\t%-15s %s %s\n\n", 339 "PROPERTY", "EDIT", "VALUES"); 340 341 /* Iterate over all properties */ 342 (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE, 343 ZFS_TYPE_POOL); 344 345 (void) fprintf(fp, "\t%-15s ", "feature@..."); 346 (void) fprintf(fp, "YES disabled | enabled | active\n"); 347 348 (void) fprintf(fp, gettext("\nThe feature@ properties must be " 349 "appended with a feature name.\nSee zpool-features(7).\n")); 350 } 351 352 /* 353 * See comments at end of main(). 354 */ 355 if (getenv("ZFS_ABORT") != NULL) { 356 (void) printf("dumping core by request\n"); 357 abort(); 358 } 359 360 exit(requested ? 0 : 2); 361} 362 363void 364print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent, 365 boolean_t print_logs) 366{ 367 nvlist_t **child; 368 uint_t c, children; 369 char *vname; 370 371 if (name != NULL) 372 (void) printf("\t%*s%s\n", indent, "", name); 373 374 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 375 &child, &children) != 0) 376 return; 377 378 for (c = 0; c < children; c++) { 379 uint64_t is_log = B_FALSE; 380 381 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 382 &is_log); 383 if ((is_log && !print_logs) || (!is_log && print_logs)) 384 continue; 385 386 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 387 print_vdev_tree(zhp, vname, child[c], indent + 2, 388 B_FALSE); 389 free(vname); 390 } 391} 392 393static boolean_t 394prop_list_contains_feature(nvlist_t *proplist) 395{ 396 nvpair_t *nvp; 397 for (nvp = nvlist_next_nvpair(proplist, NULL); NULL != nvp; 398 nvp = nvlist_next_nvpair(proplist, nvp)) { 399 if (zpool_prop_feature(nvpair_name(nvp))) 400 return (B_TRUE); 401 } 402 return (B_FALSE); 403} 404 405/* 406 * Add a property pair (name, string-value) into a property nvlist. 407 */ 408static int 409add_prop_list(const char *propname, char *propval, nvlist_t **props, 410 boolean_t poolprop) 411{ 412 zpool_prop_t prop = ZPROP_INVAL; 413 zfs_prop_t fprop; 414 nvlist_t *proplist; 415 const char *normnm; 416 char *strval; 417 418 if (*props == NULL && 419 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) { 420 (void) fprintf(stderr, 421 gettext("internal error: out of memory\n")); 422 return (1); 423 } 424 425 proplist = *props; 426 427 if (poolprop) { 428 const char *vname = zpool_prop_to_name(ZPOOL_PROP_VERSION); 429 430 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL && 431 !zpool_prop_feature(propname)) { 432 (void) fprintf(stderr, gettext("property '%s' is " 433 "not a valid pool property\n"), propname); 434 return (2); 435 } 436 437 /* 438 * feature@ properties and version should not be specified 439 * at the same time. 440 */ 441 if ((prop == ZPROP_INVAL && zpool_prop_feature(propname) && 442 nvlist_exists(proplist, vname)) || 443 (prop == ZPOOL_PROP_VERSION && 444 prop_list_contains_feature(proplist))) { 445 (void) fprintf(stderr, gettext("'feature@' and " 446 "'version' properties cannot be specified " 447 "together\n")); 448 return (2); 449 } 450 451 452 if (zpool_prop_feature(propname)) 453 normnm = propname; 454 else 455 normnm = zpool_prop_to_name(prop); 456 } else { 457 if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { 458 normnm = zfs_prop_to_name(fprop); 459 } else { 460 normnm = propname; 461 } 462 } 463 464 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 && 465 prop != ZPOOL_PROP_CACHEFILE) { 466 (void) fprintf(stderr, gettext("property '%s' " 467 "specified multiple times\n"), propname); 468 return (2); 469 } 470 471 if (nvlist_add_string(proplist, normnm, propval) != 0) { 472 (void) fprintf(stderr, gettext("internal " 473 "error: out of memory\n")); 474 return (1); 475 } 476 477 return (0); 478} 479 480/* 481 * zpool add [-fn] <pool> <vdev> ... 482 * 483 * -f Force addition of devices, even if they appear in use 484 * -n Do not add the devices, but display the resulting layout if 485 * they were to be added. 486 * 487 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is 488 * handled by get_vdev_spec(), which constructs the nvlist needed to pass to 489 * libzfs. 490 */ 491int 492zpool_do_add(int argc, char **argv) 493{ 494 boolean_t force = B_FALSE; 495 boolean_t dryrun = B_FALSE; 496 int c; 497 nvlist_t *nvroot; 498 char *poolname; 499 int ret; 500 zpool_handle_t *zhp; 501 nvlist_t *config; 502 503 /* check options */ 504 while ((c = getopt(argc, argv, "fn")) != -1) { 505 switch (c) { 506 case 'f': 507 force = B_TRUE; 508 break; 509 case 'n': 510 dryrun = B_TRUE; 511 break; 512 case '?': 513 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 514 optopt); 515 usage(B_FALSE); 516 } 517 } 518 519 argc -= optind; 520 argv += optind; 521 522 /* get pool name and check number of arguments */ 523 if (argc < 1) { 524 (void) fprintf(stderr, gettext("missing pool name argument\n")); 525 usage(B_FALSE); 526 } 527 if (argc < 2) { 528 (void) fprintf(stderr, gettext("missing vdev specification\n")); 529 usage(B_FALSE); 530 } 531 532 poolname = argv[0]; 533 534 argc--; 535 argv++; 536 537 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 538 return (1); 539 540 if ((config = zpool_get_config(zhp, NULL)) == NULL) { 541 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 542 poolname); 543 zpool_close(zhp); 544 return (1); 545 } 546 547 /* pass off to get_vdev_spec for processing */ 548 nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun, 549 argc, argv); 550 if (nvroot == NULL) { 551 zpool_close(zhp); 552 return (1); 553 } 554 555 if (dryrun) { 556 nvlist_t *poolnvroot; 557 558 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 559 &poolnvroot) == 0); 560 561 (void) printf(gettext("would update '%s' to the following " 562 "configuration:\n"), zpool_get_name(zhp)); 563 564 /* print original main pool and new tree */ 565 print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE); 566 print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE); 567 568 /* Do the same for the logs */ 569 if (num_logs(poolnvroot) > 0) { 570 print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE); 571 print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE); 572 } else if (num_logs(nvroot) > 0) { 573 print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE); 574 } 575 576 ret = 0; 577 } else { 578 ret = (zpool_add(zhp, nvroot) != 0); 579 } 580 581 nvlist_free(nvroot); 582 zpool_close(zhp); 583 584 return (ret); 585} 586 587/* 588 * zpool remove <pool> <vdev> ... 589 * 590 * Removes the given vdev from the pool. Currently, this supports removing 591 * spares, cache, and log devices from the pool. 592 */ 593int 594zpool_do_remove(int argc, char **argv) 595{ 596 char *poolname; 597 int i, ret = 0; 598 zpool_handle_t *zhp; 599 600 argc--; 601 argv++; 602 603 /* get pool name and check number of arguments */ 604 if (argc < 1) { 605 (void) fprintf(stderr, gettext("missing pool name argument\n")); 606 usage(B_FALSE); 607 } 608 if (argc < 2) { 609 (void) fprintf(stderr, gettext("missing device\n")); 610 usage(B_FALSE); 611 } 612 613 poolname = argv[0]; 614 615 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 616 return (1); 617 618 for (i = 1; i < argc; i++) { 619 if (zpool_vdev_remove(zhp, argv[i]) != 0) 620 ret = 1; 621 } 622 623 return (ret); 624} 625 626/* 627 * zpool labelclear <vdev> 628 * 629 * Verifies that the vdev is not active and zeros out the label information 630 * on the device. 631 */ 632int 633zpool_do_labelclear(int argc, char **argv) 634{ 635 char *vdev, *name; 636 int c, fd = -1, ret = 0; 637 pool_state_t state; 638 boolean_t inuse = B_FALSE; 639 boolean_t force = B_FALSE; 640 641 /* check options */ 642 while ((c = getopt(argc, argv, "f")) != -1) { 643 switch (c) { 644 case 'f': 645 force = B_TRUE; 646 break; 647 default: 648 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 649 optopt); 650 usage(B_FALSE); 651 } 652 } 653 654 argc -= optind; 655 argv += optind; 656 657 /* get vdev name */ 658 if (argc < 1) { 659 (void) fprintf(stderr, gettext("missing vdev device name\n")); 660 usage(B_FALSE); 661 } 662 663 vdev = argv[0]; 664 if ((fd = open(vdev, O_RDWR)) < 0) { 665 (void) fprintf(stderr, gettext("Unable to open %s\n"), vdev); 666 return (B_FALSE); 667 } 668 669 name = NULL; 670 if (zpool_in_use(g_zfs, fd, &state, &name, &inuse) != 0) { 671 if (force) 672 goto wipe_label; 673 674 (void) fprintf(stderr, 675 gettext("Unable to determine pool state for %s\n" 676 "Use -f to force the clearing any label data\n"), vdev); 677 678 return (1); 679 } 680 681 if (inuse) { 682 switch (state) { 683 default: 684 case POOL_STATE_ACTIVE: 685 case POOL_STATE_SPARE: 686 case POOL_STATE_L2CACHE: 687 (void) fprintf(stderr, 688gettext("labelclear operation failed.\n" 689 "\tVdev %s is a member (%s), of pool \"%s\".\n" 690 "\tTo remove label information from this device, export or destroy\n" 691 "\tthe pool, or remove %s from the configuration of this pool\n" 692 "\tand retry the labelclear operation\n"), 693 vdev, zpool_pool_state_to_name(state), name, vdev); 694 ret = 1; 695 goto errout; 696 697 case POOL_STATE_EXPORTED: 698 if (force) 699 break; 700 701 (void) fprintf(stderr, 702gettext("labelclear operation failed.\n" 703 "\tVdev %s is a member of the exported pool \"%s\".\n" 704 "\tUse \"zpool labelclear -f %s\" to force the removal of label\n" 705 "\tinformation.\n"), 706 vdev, name, vdev); 707 ret = 1; 708 goto errout; 709 710 case POOL_STATE_POTENTIALLY_ACTIVE: 711 if (force) 712 break; 713 714 (void) fprintf(stderr, 715gettext("labelclear operation failed.\n" 716 "\tVdev %s is a member of the pool \"%s\".\n" 717 "\tThis pool is unknown to this system, but may be active on\n" 718 "\tanother system. Use \'zpool labelclear -f %s\' to force the\n" 719 "\tremoval of label information.\n"), 720 vdev, name, vdev); 721 ret = 1; 722 goto errout; 723 724 case POOL_STATE_DESTROYED: 725 /* inuse should never be set for a destoryed pool... */ 726 break; 727 } 728 } 729 730wipe_label: 731 if (zpool_clear_label(fd) != 0) { 732 (void) fprintf(stderr, 733 gettext("Label clear failed on vdev %s\n"), vdev); 734 ret = 1; 735 } 736 737errout: 738 close(fd); 739 if (name != NULL) 740 free(name); 741 742 return (ret); 743} 744 745/* 746 * zpool create [-fnd] [-o property=value] ... 747 * [-O file-system-property=value] ... 748 * [-R root] [-m mountpoint] <pool> <dev> ... 749 * 750 * -f Force creation, even if devices appear in use 751 * -n Do not create the pool, but display the resulting layout if it 752 * were to be created. 753 * -R Create a pool under an alternate root 754 * -m Set default mountpoint for the root dataset. By default it's 755 * '/<pool>' 756 * -o Set property=value. 757 * -d Don't automatically enable all supported pool features 758 * (individual features can be enabled with -o). 759 * -O Set fsproperty=value in the pool's root file system 760 * 761 * Creates the named pool according to the given vdev specification. The 762 * bulk of the vdev processing is done in get_vdev_spec() in zpool_vdev.c. Once 763 * we get the nvlist back from get_vdev_spec(), we either print out the contents 764 * (if '-n' was specified), or pass it to libzfs to do the creation. 765 */ 766int 767zpool_do_create(int argc, char **argv) 768{ 769 boolean_t force = B_FALSE; 770 boolean_t dryrun = B_FALSE; 771 boolean_t enable_all_pool_feat = B_TRUE; 772 int c; 773 nvlist_t *nvroot = NULL; 774 char *poolname; 775 int ret = 1; 776 char *altroot = NULL; 777 char *mountpoint = NULL; 778 nvlist_t *fsprops = NULL; 779 nvlist_t *props = NULL; 780 char *propval; 781 782 /* check options */ 783 while ((c = getopt(argc, argv, ":fndR:m:o:O:")) != -1) { 784 switch (c) { 785 case 'f': 786 force = B_TRUE; 787 break; 788 case 'n': 789 dryrun = B_TRUE; 790 break; 791 case 'd': 792 enable_all_pool_feat = B_FALSE; 793 break; 794 case 'R': 795 altroot = optarg; 796 if (add_prop_list(zpool_prop_to_name( 797 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 798 goto errout; 799 if (nvlist_lookup_string(props, 800 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 801 &propval) == 0) 802 break; 803 if (add_prop_list(zpool_prop_to_name( 804 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 805 goto errout; 806 break; 807 case 'm': 808 /* Equivalent to -O mountpoint=optarg */ 809 mountpoint = optarg; 810 break; 811 case 'o': 812 if ((propval = strchr(optarg, '=')) == NULL) { 813 (void) fprintf(stderr, gettext("missing " 814 "'=' for -o option\n")); 815 goto errout; 816 } 817 *propval = '\0'; 818 propval++; 819 820 if (add_prop_list(optarg, propval, &props, B_TRUE)) 821 goto errout; 822 823 /* 824 * If the user is creating a pool that doesn't support 825 * feature flags, don't enable any features. 826 */ 827 if (zpool_name_to_prop(optarg) == ZPOOL_PROP_VERSION) { 828 char *end; 829 u_longlong_t ver; 830 831 ver = strtoull(propval, &end, 10); 832 if (*end == '\0' && 833 ver < SPA_VERSION_FEATURES) { 834 enable_all_pool_feat = B_FALSE; 835 } 836 } 837 if (zpool_name_to_prop(optarg) == ZPOOL_PROP_ALTROOT) 838 altroot = propval; 839 break; 840 case 'O': 841 if ((propval = strchr(optarg, '=')) == NULL) { 842 (void) fprintf(stderr, gettext("missing " 843 "'=' for -O option\n")); 844 goto errout; 845 } 846 *propval = '\0'; 847 propval++; 848 849 /* 850 * Mountpoints are checked and then added later. 851 * Uniquely among properties, they can be specified 852 * more than once, to avoid conflict with -m. 853 */ 854 if (0 == strcmp(optarg, 855 zfs_prop_to_name(ZFS_PROP_MOUNTPOINT))) { 856 mountpoint = propval; 857 } else if (add_prop_list(optarg, propval, &fsprops, 858 B_FALSE)) { 859 goto errout; 860 } 861 break; 862 case ':': 863 (void) fprintf(stderr, gettext("missing argument for " 864 "'%c' option\n"), optopt); 865 goto badusage; 866 case '?': 867 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 868 optopt); 869 goto badusage; 870 } 871 } 872 873 argc -= optind; 874 argv += optind; 875 876 /* get pool name and check number of arguments */ 877 if (argc < 1) { 878 (void) fprintf(stderr, gettext("missing pool name argument\n")); 879 goto badusage; 880 } 881 if (argc < 2) { 882 (void) fprintf(stderr, gettext("missing vdev specification\n")); 883 goto badusage; 884 } 885 886 poolname = argv[0]; 887 888 /* 889 * As a special case, check for use of '/' in the name, and direct the 890 * user to use 'zfs create' instead. 891 */ 892 if (strchr(poolname, '/') != NULL) { 893 (void) fprintf(stderr, gettext("cannot create '%s': invalid " 894 "character '/' in pool name\n"), poolname); 895 (void) fprintf(stderr, gettext("use 'zfs create' to " 896 "create a dataset\n")); 897 goto errout; 898 } 899 900 /* pass off to get_vdev_spec for bulk processing */ 901 nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun, 902 argc - 1, argv + 1); 903 if (nvroot == NULL) 904 goto errout; 905 906 /* make_root_vdev() allows 0 toplevel children if there are spares */ 907 if (!zfs_allocatable_devs(nvroot)) { 908 (void) fprintf(stderr, gettext("invalid vdev " 909 "specification: at least one toplevel vdev must be " 910 "specified\n")); 911 goto errout; 912 } 913 914 if (altroot != NULL && altroot[0] != '/') { 915 (void) fprintf(stderr, gettext("invalid alternate root '%s': " 916 "must be an absolute path\n"), altroot); 917 goto errout; 918 } 919 920 /* 921 * Check the validity of the mountpoint and direct the user to use the 922 * '-m' mountpoint option if it looks like its in use. 923 * Ignore the checks if the '-f' option is given. 924 */ 925 if (!force && (mountpoint == NULL || 926 (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 && 927 strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0))) { 928 char buf[MAXPATHLEN]; 929 DIR *dirp; 930 931 if (mountpoint && mountpoint[0] != '/') { 932 (void) fprintf(stderr, gettext("invalid mountpoint " 933 "'%s': must be an absolute path, 'legacy', or " 934 "'none'\n"), mountpoint); 935 goto errout; 936 } 937 938 if (mountpoint == NULL) { 939 if (altroot != NULL) 940 (void) snprintf(buf, sizeof (buf), "%s/%s", 941 altroot, poolname); 942 else 943 (void) snprintf(buf, sizeof (buf), "/%s", 944 poolname); 945 } else { 946 if (altroot != NULL) 947 (void) snprintf(buf, sizeof (buf), "%s%s", 948 altroot, mountpoint); 949 else 950 (void) snprintf(buf, sizeof (buf), "%s", 951 mountpoint); 952 } 953 954 if ((dirp = opendir(buf)) == NULL && errno != ENOENT) { 955 (void) fprintf(stderr, gettext("mountpoint '%s' : " 956 "%s\n"), buf, strerror(errno)); 957 (void) fprintf(stderr, gettext("use '-m' " 958 "option to provide a different default\n")); 959 goto errout; 960 } else if (dirp) { 961 int count = 0; 962 963 while (count < 3 && readdir(dirp) != NULL) 964 count++; 965 (void) closedir(dirp); 966 967 if (count > 2) { 968 (void) fprintf(stderr, gettext("mountpoint " 969 "'%s' exists and is not empty\n"), buf); 970 (void) fprintf(stderr, gettext("use '-m' " 971 "option to provide a " 972 "different default\n")); 973 goto errout; 974 } 975 } 976 } 977 978 /* 979 * Now that the mountpoint's validity has been checked, ensure that 980 * the property is set appropriately prior to creating the pool. 981 */ 982 if (mountpoint != NULL) { 983 ret = add_prop_list(zfs_prop_to_name(ZFS_PROP_MOUNTPOINT), 984 mountpoint, &fsprops, B_FALSE); 985 if (ret != 0) 986 goto errout; 987 } 988 989 ret = 1; 990 if (dryrun) { 991 /* 992 * For a dry run invocation, print out a basic message and run 993 * through all the vdevs in the list and print out in an 994 * appropriate hierarchy. 995 */ 996 (void) printf(gettext("would create '%s' with the " 997 "following layout:\n\n"), poolname); 998 999 print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE); 1000 if (num_logs(nvroot) > 0) 1001 print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE); 1002 1003 ret = 0; 1004 } else { 1005 /* 1006 * Hand off to libzfs. 1007 */ 1008 if (enable_all_pool_feat) { 1009 spa_feature_t i; 1010 for (i = 0; i < SPA_FEATURES; i++) { 1011 char propname[MAXPATHLEN]; 1012 zfeature_info_t *feat = &spa_feature_table[i]; 1013 1014 (void) snprintf(propname, sizeof (propname), 1015 "feature@%s", feat->fi_uname); 1016 1017 /* 1018 * Skip feature if user specified it manually 1019 * on the command line. 1020 */ 1021 if (nvlist_exists(props, propname)) 1022 continue; 1023 1024 ret = add_prop_list(propname, 1025 ZFS_FEATURE_ENABLED, &props, B_TRUE); 1026 if (ret != 0) 1027 goto errout; 1028 } 1029 } 1030 1031 ret = 1; 1032 if (zpool_create(g_zfs, poolname, 1033 nvroot, props, fsprops) == 0) { 1034 zfs_handle_t *pool = zfs_open(g_zfs, poolname, 1035 ZFS_TYPE_FILESYSTEM); 1036 if (pool != NULL) { 1037 if (zfs_mount(pool, NULL, 0) == 0) 1038 ret = zfs_shareall(pool); 1039 zfs_close(pool); 1040 } 1041 } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) { 1042 (void) fprintf(stderr, gettext("pool name may have " 1043 "been omitted\n")); 1044 } 1045 } 1046 1047errout: 1048 nvlist_free(nvroot); 1049 nvlist_free(fsprops); 1050 nvlist_free(props); 1051 return (ret); 1052badusage: 1053 nvlist_free(fsprops); 1054 nvlist_free(props); 1055 usage(B_FALSE); 1056 return (2); 1057} 1058 1059/* 1060 * zpool destroy <pool> 1061 * 1062 * -f Forcefully unmount any datasets 1063 * 1064 * Destroy the given pool. Automatically unmounts any datasets in the pool. 1065 */ 1066int 1067zpool_do_destroy(int argc, char **argv) 1068{ 1069 boolean_t force = B_FALSE; 1070 int c; 1071 char *pool; 1072 zpool_handle_t *zhp; 1073 int ret; 1074 1075 /* check options */ 1076 while ((c = getopt(argc, argv, "f")) != -1) { 1077 switch (c) { 1078 case 'f': 1079 force = B_TRUE; 1080 break; 1081 case '?': 1082 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1083 optopt); 1084 usage(B_FALSE); 1085 } 1086 } 1087 1088 argc -= optind; 1089 argv += optind; 1090 1091 /* check arguments */ 1092 if (argc < 1) { 1093 (void) fprintf(stderr, gettext("missing pool argument\n")); 1094 usage(B_FALSE); 1095 } 1096 if (argc > 1) { 1097 (void) fprintf(stderr, gettext("too many arguments\n")); 1098 usage(B_FALSE); 1099 } 1100 1101 pool = argv[0]; 1102 1103 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 1104 /* 1105 * As a special case, check for use of '/' in the name, and 1106 * direct the user to use 'zfs destroy' instead. 1107 */ 1108 if (strchr(pool, '/') != NULL) 1109 (void) fprintf(stderr, gettext("use 'zfs destroy' to " 1110 "destroy a dataset\n")); 1111 return (1); 1112 } 1113 1114 if (zpool_disable_datasets(zhp, force) != 0) { 1115 (void) fprintf(stderr, gettext("could not destroy '%s': " 1116 "could not unmount datasets\n"), zpool_get_name(zhp)); 1117 return (1); 1118 } 1119 1120 /* The history must be logged as part of the export */ 1121 log_history = B_FALSE; 1122 1123 ret = (zpool_destroy(zhp, history_str) != 0); 1124 1125 zpool_close(zhp); 1126 1127 return (ret); 1128} 1129 1130/* 1131 * zpool export [-f] <pool> ... 1132 * 1133 * -f Forcefully unmount datasets 1134 * 1135 * Export the given pools. By default, the command will attempt to cleanly 1136 * unmount any active datasets within the pool. If the '-f' flag is specified, 1137 * then the datasets will be forcefully unmounted. 1138 */ 1139int 1140zpool_do_export(int argc, char **argv) 1141{ 1142 boolean_t force = B_FALSE; 1143 boolean_t hardforce = B_FALSE; 1144 int c; 1145 zpool_handle_t *zhp; 1146 int ret; 1147 int i; 1148 1149 /* check options */ 1150 while ((c = getopt(argc, argv, "fF")) != -1) { 1151 switch (c) { 1152 case 'f': 1153 force = B_TRUE; 1154 break; 1155 case 'F': 1156 hardforce = B_TRUE; 1157 break; 1158 case '?': 1159 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1160 optopt); 1161 usage(B_FALSE); 1162 } 1163 } 1164 1165 argc -= optind; 1166 argv += optind; 1167 1168 /* check arguments */ 1169 if (argc < 1) { 1170 (void) fprintf(stderr, gettext("missing pool argument\n")); 1171 usage(B_FALSE); 1172 } 1173 1174 ret = 0; 1175 for (i = 0; i < argc; i++) { 1176 if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) { 1177 ret = 1; 1178 continue; 1179 } 1180 1181 if (zpool_disable_datasets(zhp, force) != 0) { 1182 ret = 1; 1183 zpool_close(zhp); 1184 continue; 1185 } 1186 1187 /* The history must be logged as part of the export */ 1188 log_history = B_FALSE; 1189 1190 if (hardforce) { 1191 if (zpool_export_force(zhp, history_str) != 0) 1192 ret = 1; 1193 } else if (zpool_export(zhp, force, history_str) != 0) { 1194 ret = 1; 1195 } 1196 1197 zpool_close(zhp); 1198 } 1199 1200 return (ret); 1201} 1202 1203/* 1204 * Given a vdev configuration, determine the maximum width needed for the device 1205 * name column. 1206 */ 1207static int 1208max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max) 1209{ 1210 char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE); 1211 nvlist_t **child; 1212 uint_t c, children; 1213 int ret; 1214 1215 if (strlen(name) + depth > max) 1216 max = strlen(name) + depth; 1217 1218 free(name); 1219 1220 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1221 &child, &children) == 0) { 1222 for (c = 0; c < children; c++) 1223 if ((ret = max_width(zhp, child[c], depth + 2, 1224 max)) > max) 1225 max = ret; 1226 } 1227 1228 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1229 &child, &children) == 0) { 1230 for (c = 0; c < children; c++) 1231 if ((ret = max_width(zhp, child[c], depth + 2, 1232 max)) > max) 1233 max = ret; 1234 } 1235 1236 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1237 &child, &children) == 0) { 1238 for (c = 0; c < children; c++) 1239 if ((ret = max_width(zhp, child[c], depth + 2, 1240 max)) > max) 1241 max = ret; 1242 } 1243 1244 1245 return (max); 1246} 1247 1248typedef struct spare_cbdata { 1249 uint64_t cb_guid; 1250 zpool_handle_t *cb_zhp; 1251} spare_cbdata_t; 1252 1253static boolean_t 1254find_vdev(nvlist_t *nv, uint64_t search) 1255{ 1256 uint64_t guid; 1257 nvlist_t **child; 1258 uint_t c, children; 1259 1260 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 && 1261 search == guid) 1262 return (B_TRUE); 1263 1264 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1265 &child, &children) == 0) { 1266 for (c = 0; c < children; c++) 1267 if (find_vdev(child[c], search)) 1268 return (B_TRUE); 1269 } 1270 1271 return (B_FALSE); 1272} 1273 1274static int 1275find_spare(zpool_handle_t *zhp, void *data) 1276{ 1277 spare_cbdata_t *cbp = data; 1278 nvlist_t *config, *nvroot; 1279 1280 config = zpool_get_config(zhp, NULL); 1281 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1282 &nvroot) == 0); 1283 1284 if (find_vdev(nvroot, cbp->cb_guid)) { 1285 cbp->cb_zhp = zhp; 1286 return (1); 1287 } 1288 1289 zpool_close(zhp); 1290 return (0); 1291} 1292 1293/* 1294 * Print out configuration state as requested by status_callback. 1295 */ 1296void 1297print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 1298 int namewidth, int depth, boolean_t isspare) 1299{ 1300 nvlist_t **child; 1301 uint_t c, vsc, children; 1302 pool_scan_stat_t *ps = NULL; 1303 vdev_stat_t *vs; 1304 char rbuf[6], wbuf[6], cbuf[6]; 1305 char *vname; 1306 uint64_t notpresent; 1307 uint64_t ashift; 1308 spare_cbdata_t cb; 1309 const char *state; 1310 1311 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1312 &child, &children) != 0) 1313 children = 0; 1314 1315 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1316 (uint64_t **)&vs, &vsc) == 0); 1317 1318 state = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1319 if (isspare) { 1320 /* 1321 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for 1322 * online drives. 1323 */ 1324 if (vs->vs_aux == VDEV_AUX_SPARED) 1325 state = "INUSE"; 1326 else if (vs->vs_state == VDEV_STATE_HEALTHY) 1327 state = "AVAIL"; 1328 } 1329 1330 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth, 1331 name, state); 1332 1333 if (!isspare) { 1334 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf)); 1335 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf)); 1336 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf)); 1337 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf); 1338 } 1339 1340 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 1341 ¬present) == 0 || 1342 vs->vs_state <= VDEV_STATE_CANT_OPEN) { 1343 char *path; 1344 if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) 1345 (void) printf(" was %s", path); 1346 } else if (vs->vs_aux != 0) { 1347 (void) printf(" "); 1348 1349 switch (vs->vs_aux) { 1350 case VDEV_AUX_OPEN_FAILED: 1351 (void) printf(gettext("cannot open")); 1352 break; 1353 1354 case VDEV_AUX_BAD_GUID_SUM: 1355 (void) printf(gettext("missing device")); 1356 break; 1357 1358 case VDEV_AUX_NO_REPLICAS: 1359 (void) printf(gettext("insufficient replicas")); 1360 break; 1361 1362 case VDEV_AUX_VERSION_NEWER: 1363 (void) printf(gettext("newer version")); 1364 break; 1365 1366 case VDEV_AUX_UNSUP_FEAT: 1367 (void) printf(gettext("unsupported feature(s)")); 1368 break; 1369 1370 case VDEV_AUX_ASHIFT_TOO_BIG: 1371 (void) printf(gettext("unsupported minimum blocksize")); 1372 break; 1373 1374 case VDEV_AUX_SPARED: 1375 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1376 &cb.cb_guid) == 0); 1377 if (zpool_iter(g_zfs, find_spare, &cb) == 1) { 1378 if (strcmp(zpool_get_name(cb.cb_zhp), 1379 zpool_get_name(zhp)) == 0) 1380 (void) printf(gettext("currently in " 1381 "use")); 1382 else 1383 (void) printf(gettext("in use by " 1384 "pool '%s'"), 1385 zpool_get_name(cb.cb_zhp)); 1386 zpool_close(cb.cb_zhp); 1387 } else { 1388 (void) printf(gettext("currently in use")); 1389 } 1390 break; 1391 1392 case VDEV_AUX_ERR_EXCEEDED: 1393 (void) printf(gettext("too many errors")); 1394 break; 1395 1396 case VDEV_AUX_IO_FAILURE: 1397 (void) printf(gettext("experienced I/O failures")); 1398 break; 1399 1400 case VDEV_AUX_BAD_LOG: 1401 (void) printf(gettext("bad intent log")); 1402 break; 1403 1404 case VDEV_AUX_EXTERNAL: 1405 (void) printf(gettext("external device fault")); 1406 break; 1407 1408 case VDEV_AUX_SPLIT_POOL: 1409 (void) printf(gettext("split into new pool")); 1410 break; 1411 1412 default: 1413 (void) printf(gettext("corrupted data")); 1414 break; 1415 } 1416 } else if (children == 0 && !isspare && 1417 VDEV_STAT_VALID(vs_physical_ashift, vsc) && 1418 vs->vs_configured_ashift < vs->vs_physical_ashift) { 1419 (void) printf( 1420 gettext(" block size: %dB configured, %dB native"), 1421 1 << vs->vs_configured_ashift, 1 << vs->vs_physical_ashift); 1422 } 1423 1424 (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS, 1425 (uint64_t **)&ps, &c); 1426 1427 if (ps && ps->pss_state == DSS_SCANNING && 1428 vs->vs_scan_processed != 0 && children == 0) { 1429 (void) printf(gettext(" (%s)"), 1430 (ps->pss_func == POOL_SCAN_RESILVER) ? 1431 "resilvering" : "repairing"); 1432 } 1433 1434 (void) printf("\n"); 1435 1436 for (c = 0; c < children; c++) { 1437 uint64_t islog = B_FALSE, ishole = B_FALSE; 1438 1439 /* Don't print logs or holes here */ 1440 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1441 &islog); 1442 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 1443 &ishole); 1444 if (islog || ishole) 1445 continue; 1446 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1447 print_status_config(zhp, vname, child[c], 1448 namewidth, depth + 2, isspare); 1449 free(vname); 1450 } 1451} 1452 1453 1454/* 1455 * Print the configuration of an exported pool. Iterate over all vdevs in the 1456 * pool, printing out the name and status for each one. 1457 */ 1458void 1459print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth) 1460{ 1461 nvlist_t **child; 1462 uint_t c, children; 1463 vdev_stat_t *vs; 1464 char *type, *vname; 1465 1466 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 1467 if (strcmp(type, VDEV_TYPE_MISSING) == 0 || 1468 strcmp(type, VDEV_TYPE_HOLE) == 0) 1469 return; 1470 1471 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1472 (uint64_t **)&vs, &c) == 0); 1473 1474 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name); 1475 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux)); 1476 1477 if (vs->vs_aux != 0) { 1478 (void) printf(" "); 1479 1480 switch (vs->vs_aux) { 1481 case VDEV_AUX_OPEN_FAILED: 1482 (void) printf(gettext("cannot open")); 1483 break; 1484 1485 case VDEV_AUX_BAD_GUID_SUM: 1486 (void) printf(gettext("missing device")); 1487 break; 1488 1489 case VDEV_AUX_NO_REPLICAS: 1490 (void) printf(gettext("insufficient replicas")); 1491 break; 1492 1493 case VDEV_AUX_VERSION_NEWER: 1494 (void) printf(gettext("newer version")); 1495 break; 1496 1497 case VDEV_AUX_UNSUP_FEAT: 1498 (void) printf(gettext("unsupported feature(s)")); 1499 break; 1500 1501 case VDEV_AUX_ERR_EXCEEDED: 1502 (void) printf(gettext("too many errors")); 1503 break; 1504 1505 default: 1506 (void) printf(gettext("corrupted data")); 1507 break; 1508 } 1509 } 1510 (void) printf("\n"); 1511 1512 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1513 &child, &children) != 0) 1514 return; 1515 1516 for (c = 0; c < children; c++) { 1517 uint64_t is_log = B_FALSE; 1518 1519 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1520 &is_log); 1521 if (is_log) 1522 continue; 1523 1524 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE); 1525 print_import_config(vname, child[c], namewidth, depth + 2); 1526 free(vname); 1527 } 1528 1529 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1530 &child, &children) == 0) { 1531 (void) printf(gettext("\tcache\n")); 1532 for (c = 0; c < children; c++) { 1533 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1534 (void) printf("\t %s\n", vname); 1535 free(vname); 1536 } 1537 } 1538 1539 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1540 &child, &children) == 0) { 1541 (void) printf(gettext("\tspares\n")); 1542 for (c = 0; c < children; c++) { 1543 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1544 (void) printf("\t %s\n", vname); 1545 free(vname); 1546 } 1547 } 1548} 1549 1550/* 1551 * Print log vdevs. 1552 * Logs are recorded as top level vdevs in the main pool child array 1553 * but with "is_log" set to 1. We use either print_status_config() or 1554 * print_import_config() to print the top level logs then any log 1555 * children (eg mirrored slogs) are printed recursively - which 1556 * works because only the top level vdev is marked "is_log" 1557 */ 1558static void 1559print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose) 1560{ 1561 uint_t c, children; 1562 nvlist_t **child; 1563 1564 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child, 1565 &children) != 0) 1566 return; 1567 1568 (void) printf(gettext("\tlogs\n")); 1569 1570 for (c = 0; c < children; c++) { 1571 uint64_t is_log = B_FALSE; 1572 char *name; 1573 1574 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1575 &is_log); 1576 if (!is_log) 1577 continue; 1578 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1579 if (verbose) 1580 print_status_config(zhp, name, child[c], namewidth, 1581 2, B_FALSE); 1582 else 1583 print_import_config(name, child[c], namewidth, 2); 1584 free(name); 1585 } 1586} 1587 1588/* 1589 * Display the status for the given pool. 1590 */ 1591static void 1592show_import(nvlist_t *config) 1593{ 1594 uint64_t pool_state; 1595 vdev_stat_t *vs; 1596 char *name; 1597 uint64_t guid; 1598 char *msgid; 1599 nvlist_t *nvroot; 1600 int reason; 1601 const char *health; 1602 uint_t vsc; 1603 int namewidth; 1604 char *comment; 1605 1606 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1607 &name) == 0); 1608 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1609 &guid) == 0); 1610 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1611 &pool_state) == 0); 1612 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1613 &nvroot) == 0); 1614 1615 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 1616 (uint64_t **)&vs, &vsc) == 0); 1617 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1618 1619 reason = zpool_import_status(config, &msgid); 1620 1621 (void) printf(gettext(" pool: %s\n"), name); 1622 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid); 1623 (void) printf(gettext(" state: %s"), health); 1624 if (pool_state == POOL_STATE_DESTROYED) 1625 (void) printf(gettext(" (DESTROYED)")); 1626 (void) printf("\n"); 1627 1628 switch (reason) { 1629 case ZPOOL_STATUS_MISSING_DEV_R: 1630 case ZPOOL_STATUS_MISSING_DEV_NR: 1631 case ZPOOL_STATUS_BAD_GUID_SUM: 1632 (void) printf(gettext(" status: One or more devices are " 1633 "missing from the system.\n")); 1634 break; 1635 1636 case ZPOOL_STATUS_CORRUPT_LABEL_R: 1637 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 1638 (void) printf(gettext(" status: One or more devices contains " 1639 "corrupted data.\n")); 1640 break; 1641 1642 case ZPOOL_STATUS_CORRUPT_DATA: 1643 (void) printf( 1644 gettext(" status: The pool data is corrupted.\n")); 1645 break; 1646 1647 case ZPOOL_STATUS_OFFLINE_DEV: 1648 (void) printf(gettext(" status: One or more devices " 1649 "are offlined.\n")); 1650 break; 1651 1652 case ZPOOL_STATUS_CORRUPT_POOL: 1653 (void) printf(gettext(" status: The pool metadata is " 1654 "corrupted.\n")); 1655 break; 1656 1657 case ZPOOL_STATUS_VERSION_OLDER: 1658 (void) printf(gettext(" status: The pool is formatted using a " 1659 "legacy on-disk version.\n")); 1660 break; 1661 1662 case ZPOOL_STATUS_VERSION_NEWER: 1663 (void) printf(gettext(" status: The pool is formatted using an " 1664 "incompatible version.\n")); 1665 break; 1666 1667 case ZPOOL_STATUS_FEAT_DISABLED: 1668 (void) printf(gettext(" status: Some supported features are " 1669 "not enabled on the pool.\n")); 1670 break; 1671 1672 case ZPOOL_STATUS_UNSUP_FEAT_READ: 1673 (void) printf(gettext("status: The pool uses the following " 1674 "feature(s) not supported on this sytem:\n")); 1675 zpool_print_unsup_feat(config); 1676 break; 1677 1678 case ZPOOL_STATUS_UNSUP_FEAT_WRITE: 1679 (void) printf(gettext("status: The pool can only be accessed " 1680 "in read-only mode on this system. It\n\tcannot be " 1681 "accessed in read-write mode because it uses the " 1682 "following\n\tfeature(s) not supported on this system:\n")); 1683 zpool_print_unsup_feat(config); 1684 break; 1685 1686 case ZPOOL_STATUS_HOSTID_MISMATCH: 1687 (void) printf(gettext(" status: The pool was last accessed by " 1688 "another system.\n")); 1689 break; 1690 1691 case ZPOOL_STATUS_FAULTED_DEV_R: 1692 case ZPOOL_STATUS_FAULTED_DEV_NR: 1693 (void) printf(gettext(" status: One or more devices are " 1694 "faulted.\n")); 1695 break; 1696 1697 case ZPOOL_STATUS_BAD_LOG: 1698 (void) printf(gettext(" status: An intent log record cannot be " 1699 "read.\n")); 1700 break; 1701 1702 case ZPOOL_STATUS_RESILVERING: 1703 (void) printf(gettext(" status: One or more devices were being " 1704 "resilvered.\n")); 1705 break; 1706 1707 case ZPOOL_STATUS_NON_NATIVE_ASHIFT: 1708 (void) printf(gettext("status: One or more devices were " 1709 "configured to use a non-native block size.\n" 1710 "\tExpect reduced performance.\n")); 1711 break; 1712 1713 default: 1714 /* 1715 * No other status can be seen when importing pools. 1716 */ 1717 assert(reason == ZPOOL_STATUS_OK); 1718 } 1719 1720 /* 1721 * Print out an action according to the overall state of the pool. 1722 */ 1723 if (vs->vs_state == VDEV_STATE_HEALTHY) { 1724 if (reason == ZPOOL_STATUS_VERSION_OLDER || 1725 reason == ZPOOL_STATUS_FEAT_DISABLED) { 1726 (void) printf(gettext(" action: The pool can be " 1727 "imported using its name or numeric identifier, " 1728 "though\n\tsome features will not be available " 1729 "without an explicit 'zpool upgrade'.\n")); 1730 } else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) { 1731 (void) printf(gettext(" action: The pool can be " 1732 "imported using its name or numeric " 1733 "identifier and\n\tthe '-f' flag.\n")); 1734 } else { 1735 (void) printf(gettext(" action: The pool can be " 1736 "imported using its name or numeric " 1737 "identifier.\n")); 1738 } 1739 } else if (vs->vs_state == VDEV_STATE_DEGRADED) { 1740 (void) printf(gettext(" action: The pool can be imported " 1741 "despite missing or damaged devices. The\n\tfault " 1742 "tolerance of the pool may be compromised if imported.\n")); 1743 } else { 1744 switch (reason) { 1745 case ZPOOL_STATUS_VERSION_NEWER: 1746 (void) printf(gettext(" action: The pool cannot be " 1747 "imported. Access the pool on a system running " 1748 "newer\n\tsoftware, or recreate the pool from " 1749 "backup.\n")); 1750 break; 1751 case ZPOOL_STATUS_UNSUP_FEAT_READ: 1752 (void) printf(gettext("action: The pool cannot be " 1753 "imported. Access the pool on a system that " 1754 "supports\n\tthe required feature(s), or recreate " 1755 "the pool from backup.\n")); 1756 break; 1757 case ZPOOL_STATUS_UNSUP_FEAT_WRITE: 1758 (void) printf(gettext("action: The pool cannot be " 1759 "imported in read-write mode. Import the pool " 1760 "with\n" 1761 "\t\"-o readonly=on\", access the pool on a system " 1762 "that supports the\n\trequired feature(s), or " 1763 "recreate the pool from backup.\n")); 1764 break; 1765 case ZPOOL_STATUS_MISSING_DEV_R: 1766 case ZPOOL_STATUS_MISSING_DEV_NR: 1767 case ZPOOL_STATUS_BAD_GUID_SUM: 1768 (void) printf(gettext(" action: The pool cannot be " 1769 "imported. Attach the missing\n\tdevices and try " 1770 "again.\n")); 1771 break; 1772 default: 1773 (void) printf(gettext(" action: The pool cannot be " 1774 "imported due to damaged devices or data.\n")); 1775 } 1776 } 1777 1778 /* Print the comment attached to the pool. */ 1779 if (nvlist_lookup_string(config, ZPOOL_CONFIG_COMMENT, &comment) == 0) 1780 (void) printf(gettext("comment: %s\n"), comment); 1781 1782 /* 1783 * If the state is "closed" or "can't open", and the aux state 1784 * is "corrupt data": 1785 */ 1786 if (((vs->vs_state == VDEV_STATE_CLOSED) || 1787 (vs->vs_state == VDEV_STATE_CANT_OPEN)) && 1788 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) { 1789 if (pool_state == POOL_STATE_DESTROYED) 1790 (void) printf(gettext("\tThe pool was destroyed, " 1791 "but can be imported using the '-Df' flags.\n")); 1792 else if (pool_state != POOL_STATE_EXPORTED) 1793 (void) printf(gettext("\tThe pool may be active on " 1794 "another system, but can be imported using\n\t" 1795 "the '-f' flag.\n")); 1796 } 1797 1798 if (msgid != NULL) 1799 (void) printf(gettext(" see: http://illumos.org/msg/%s\n"), 1800 msgid); 1801 1802 (void) printf(gettext(" config:\n\n")); 1803 1804 namewidth = max_width(NULL, nvroot, 0, 0); 1805 if (namewidth < 10) 1806 namewidth = 10; 1807 1808 print_import_config(name, nvroot, namewidth, 0); 1809 if (num_logs(nvroot) > 0) 1810 print_logs(NULL, nvroot, namewidth, B_FALSE); 1811 1812 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) { 1813 (void) printf(gettext("\n\tAdditional devices are known to " 1814 "be part of this pool, though their\n\texact " 1815 "configuration cannot be determined.\n")); 1816 } 1817} 1818 1819/* 1820 * Perform the import for the given configuration. This passes the heavy 1821 * lifting off to zpool_import_props(), and then mounts the datasets contained 1822 * within the pool. 1823 */ 1824static int 1825do_import(nvlist_t *config, const char *newname, const char *mntopts, 1826 nvlist_t *props, int flags) 1827{ 1828 zpool_handle_t *zhp; 1829 char *name; 1830 uint64_t state; 1831 uint64_t version; 1832 1833 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1834 &name) == 0); 1835 1836 verify(nvlist_lookup_uint64(config, 1837 ZPOOL_CONFIG_POOL_STATE, &state) == 0); 1838 verify(nvlist_lookup_uint64(config, 1839 ZPOOL_CONFIG_VERSION, &version) == 0); 1840 if (!SPA_VERSION_IS_SUPPORTED(version)) { 1841 (void) fprintf(stderr, gettext("cannot import '%s': pool " 1842 "is formatted using an unsupported ZFS version\n"), name); 1843 return (1); 1844 } else if (state != POOL_STATE_EXPORTED && 1845 !(flags & ZFS_IMPORT_ANY_HOST)) { 1846 uint64_t hostid; 1847 1848 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1849 &hostid) == 0) { 1850 if ((unsigned long)hostid != gethostid()) { 1851 char *hostname; 1852 uint64_t timestamp; 1853 time_t t; 1854 1855 verify(nvlist_lookup_string(config, 1856 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1857 verify(nvlist_lookup_uint64(config, 1858 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1859 t = timestamp; 1860 (void) fprintf(stderr, gettext("cannot import " 1861 "'%s': pool may be in use from other " 1862 "system, it was last accessed by %s " 1863 "(hostid: 0x%lx) on %s"), name, hostname, 1864 (unsigned long)hostid, 1865 asctime(localtime(&t))); 1866 (void) fprintf(stderr, gettext("use '-f' to " 1867 "import anyway\n")); 1868 return (1); 1869 } 1870 } else { 1871 (void) fprintf(stderr, gettext("cannot import '%s': " 1872 "pool may be in use from other system\n"), name); 1873 (void) fprintf(stderr, gettext("use '-f' to import " 1874 "anyway\n")); 1875 return (1); 1876 } 1877 } 1878 1879 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0) 1880 return (1); 1881 1882 if (newname != NULL) 1883 name = (char *)newname; 1884 1885 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1886 return (1); 1887 1888 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1889 !(flags & ZFS_IMPORT_ONLY) && 1890 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1891 zpool_close(zhp); 1892 return (1); 1893 } 1894 1895 zpool_close(zhp); 1896 return (0); 1897} 1898 1899/* 1900 * zpool import [-d dir] [-D] 1901 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1902 * [-d dir | -c cachefile] [-f] -a 1903 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1904 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1905 * 1906 * -c Read pool information from a cachefile instead of searching 1907 * devices. 1908 * 1909 * -d Scan in a specific directory, other than /dev/dsk. More than 1910 * one directory can be specified using multiple '-d' options. 1911 * 1912 * -D Scan for previously destroyed pools or import all or only 1913 * specified destroyed pools. 1914 * 1915 * -R Temporarily import the pool, with all mountpoints relative to 1916 * the given root. The pool will remain exported when the machine 1917 * is rebooted. 1918 * 1919 * -V Import even in the presence of faulted vdevs. This is an 1920 * intentionally undocumented option for testing purposes, and 1921 * treats the pool configuration as complete, leaving any bad 1922 * vdevs in the FAULTED state. In other words, it does verbatim 1923 * import. 1924 * 1925 * -f Force import, even if it appears that the pool is active. 1926 * 1927 * -F Attempt rewind if necessary. 1928 * 1929 * -n See if rewind would work, but don't actually rewind. 1930 * 1931 * -N Import the pool but don't mount datasets. 1932 * 1933 * -T Specify a starting txg to use for import. This option is 1934 * intentionally undocumented option for testing purposes. 1935 * 1936 * -a Import all pools found. 1937 * 1938 * -o Set property=value and/or temporary mount options (without '='). 1939 * 1940 * The import command scans for pools to import, and import pools based on pool 1941 * name and GUID. The pool can also be renamed as part of the import process. 1942 */ 1943int 1944zpool_do_import(int argc, char **argv) 1945{ 1946 char **searchdirs = NULL; 1947 int nsearch = 0; 1948 int c; 1949 int err = 0; 1950 nvlist_t *pools = NULL; 1951 boolean_t do_all = B_FALSE; 1952 boolean_t do_destroyed = B_FALSE; 1953 char *mntopts = NULL; 1954 nvpair_t *elem; 1955 nvlist_t *config; 1956 uint64_t searchguid = 0; 1957 char *searchname = NULL; 1958 char *propval; 1959 nvlist_t *found_config; 1960 nvlist_t *policy = NULL; 1961 nvlist_t *props = NULL; 1962 boolean_t first; 1963 int flags = ZFS_IMPORT_NORMAL; 1964 uint32_t rewind_policy = ZPOOL_NO_REWIND; 1965 boolean_t dryrun = B_FALSE; 1966 boolean_t do_rewind = B_FALSE; 1967 boolean_t xtreme_rewind = B_FALSE; 1968 uint64_t pool_state, txg = -1ULL; 1969 char *cachefile = NULL; 1970 importargs_t idata = { 0 }; 1971 char *endptr; 1972 1973 /* check options */ 1974 while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:R:T:VX")) != -1) { 1975 switch (c) { 1976 case 'a': 1977 do_all = B_TRUE; 1978 break; 1979 case 'c': 1980 cachefile = optarg; 1981 break; 1982 case 'd': 1983 if (searchdirs == NULL) { 1984 searchdirs = safe_malloc(sizeof (char *)); 1985 } else { 1986 char **tmp = safe_malloc((nsearch + 1) * 1987 sizeof (char *)); 1988 bcopy(searchdirs, tmp, nsearch * 1989 sizeof (char *)); 1990 free(searchdirs); 1991 searchdirs = tmp; 1992 } 1993 searchdirs[nsearch++] = optarg; 1994 break; 1995 case 'D': 1996 do_destroyed = B_TRUE; 1997 break; 1998 case 'f': 1999 flags |= ZFS_IMPORT_ANY_HOST; 2000 break; 2001 case 'F': 2002 do_rewind = B_TRUE; 2003 break; 2004 case 'm': 2005 flags |= ZFS_IMPORT_MISSING_LOG; 2006 break; 2007 case 'n': 2008 dryrun = B_TRUE; 2009 break; 2010 case 'N': 2011 flags |= ZFS_IMPORT_ONLY; 2012 break; 2013 case 'o': 2014 if ((propval = strchr(optarg, '=')) != NULL) { 2015 *propval = '\0'; 2016 propval++; 2017 if (add_prop_list(optarg, propval, 2018 &props, B_TRUE)) 2019 goto error; 2020 } else { 2021 mntopts = optarg; 2022 } 2023 break; 2024 case 'R': 2025 if (add_prop_list(zpool_prop_to_name( 2026 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 2027 goto error; 2028 if (nvlist_lookup_string(props, 2029 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 2030 &propval) == 0) 2031 break; 2032 if (add_prop_list(zpool_prop_to_name( 2033 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 2034 goto error; 2035 break; 2036 case 'T': 2037 errno = 0; 2038 txg = strtoull(optarg, &endptr, 0); 2039 if (errno != 0 || *endptr != '\0') { 2040 (void) fprintf(stderr, 2041 gettext("invalid txg value\n")); 2042 usage(B_FALSE); 2043 } 2044 rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND; 2045 break; 2046 case 'V': 2047 flags |= ZFS_IMPORT_VERBATIM; 2048 break; 2049 case 'X': 2050 xtreme_rewind = B_TRUE; 2051 break; 2052 case ':': 2053 (void) fprintf(stderr, gettext("missing argument for " 2054 "'%c' option\n"), optopt); 2055 usage(B_FALSE); 2056 break; 2057 case '?': 2058 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2059 optopt); 2060 usage(B_FALSE); 2061 } 2062 } 2063 2064 argc -= optind; 2065 argv += optind; 2066 2067 if (cachefile && nsearch != 0) { 2068 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 2069 usage(B_FALSE); 2070 } 2071 2072 if ((dryrun || xtreme_rewind) && !do_rewind) { 2073 (void) fprintf(stderr, 2074 gettext("-n or -X only meaningful with -F\n")); 2075 usage(B_FALSE); 2076 } 2077 if (dryrun) 2078 rewind_policy = ZPOOL_TRY_REWIND; 2079 else if (do_rewind) 2080 rewind_policy = ZPOOL_DO_REWIND; 2081 if (xtreme_rewind) 2082 rewind_policy |= ZPOOL_EXTREME_REWIND; 2083 2084 /* In the future, we can capture further policy and include it here */ 2085 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 2086 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, txg) != 0 || 2087 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 2088 goto error; 2089 2090 if (searchdirs == NULL) { 2091 searchdirs = safe_malloc(sizeof (char *)); 2092 searchdirs[0] = "/dev"; 2093 nsearch = 1; 2094 } 2095 2096 /* check argument count */ 2097 if (do_all) { 2098 if (argc != 0) { 2099 (void) fprintf(stderr, gettext("too many arguments\n")); 2100 usage(B_FALSE); 2101 } 2102 } else { 2103 if (argc > 2) { 2104 (void) fprintf(stderr, gettext("too many arguments\n")); 2105 usage(B_FALSE); 2106 } 2107 2108 /* 2109 * Check for the SYS_CONFIG privilege. We do this explicitly 2110 * here because otherwise any attempt to discover pools will 2111 * silently fail. 2112 */ 2113 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 2114 (void) fprintf(stderr, gettext("cannot " 2115 "discover pools: permission denied\n")); 2116 free(searchdirs); 2117 nvlist_free(policy); 2118 return (1); 2119 } 2120 } 2121 2122 /* 2123 * Depending on the arguments given, we do one of the following: 2124 * 2125 * <none> Iterate through all pools and display information about 2126 * each one. 2127 * 2128 * -a Iterate through all pools and try to import each one. 2129 * 2130 * <id> Find the pool that corresponds to the given GUID/pool 2131 * name and import that one. 2132 * 2133 * -D Above options applies only to destroyed pools. 2134 */ 2135 if (argc != 0) { 2136 char *endptr; 2137 2138 errno = 0; 2139 searchguid = strtoull(argv[0], &endptr, 10); 2140 if (errno != 0 || *endptr != '\0') { 2141 searchname = argv[0]; 2142 searchguid = 0; 2143 } 2144 found_config = NULL; 2145 2146 /* 2147 * User specified a name or guid. Ensure it's unique. 2148 */ 2149 idata.unique = B_TRUE; 2150 } 2151 2152 2153 idata.path = searchdirs; 2154 idata.paths = nsearch; 2155 idata.poolname = searchname; 2156 idata.guid = searchguid; 2157 idata.cachefile = cachefile; 2158 2159 pools = zpool_search_import(g_zfs, &idata); 2160 2161 if (pools != NULL && idata.exists && 2162 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) { 2163 (void) fprintf(stderr, gettext("cannot import '%s': " 2164 "a pool with that name already exists\n"), 2165 argv[0]); 2166 (void) fprintf(stderr, gettext("use the form '%s " 2167 "<pool | id> <newpool>' to give it a new name\n"), 2168 "zpool import"); 2169 err = 1; 2170 } else if (pools == NULL && idata.exists) { 2171 (void) fprintf(stderr, gettext("cannot import '%s': " 2172 "a pool with that name is already created/imported,\n"), 2173 argv[0]); 2174 (void) fprintf(stderr, gettext("and no additional pools " 2175 "with that name were found\n")); 2176 err = 1; 2177 } else if (pools == NULL) { 2178 if (argc != 0) { 2179 (void) fprintf(stderr, gettext("cannot import '%s': " 2180 "no such pool available\n"), argv[0]); 2181 } 2182 err = 1; 2183 } 2184 2185 if (err == 1) { 2186 free(searchdirs); 2187 nvlist_free(policy); 2188 return (1); 2189 } 2190 2191 /* 2192 * At this point we have a list of import candidate configs. Even if 2193 * we were searching by pool name or guid, we still need to 2194 * post-process the list to deal with pool state and possible 2195 * duplicate names. 2196 */ 2197 err = 0; 2198 elem = NULL; 2199 first = B_TRUE; 2200 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2201 2202 verify(nvpair_value_nvlist(elem, &config) == 0); 2203 2204 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 2205 &pool_state) == 0); 2206 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 2207 continue; 2208 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 2209 continue; 2210 2211 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 2212 policy) == 0); 2213 2214 if (argc == 0) { 2215 if (first) 2216 first = B_FALSE; 2217 else if (!do_all) 2218 (void) printf("\n"); 2219 2220 if (do_all) { 2221 err |= do_import(config, NULL, mntopts, 2222 props, flags); 2223 } else { 2224 show_import(config); 2225 } 2226 } else if (searchname != NULL) { 2227 char *name; 2228 2229 /* 2230 * We are searching for a pool based on name. 2231 */ 2232 verify(nvlist_lookup_string(config, 2233 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 2234 2235 if (strcmp(name, searchname) == 0) { 2236 if (found_config != NULL) { 2237 (void) fprintf(stderr, gettext( 2238 "cannot import '%s': more than " 2239 "one matching pool\n"), searchname); 2240 (void) fprintf(stderr, gettext( 2241 "import by numeric ID instead\n")); 2242 err = B_TRUE; 2243 } 2244 found_config = config; 2245 } 2246 } else { 2247 uint64_t guid; 2248 2249 /* 2250 * Search for a pool by guid. 2251 */ 2252 verify(nvlist_lookup_uint64(config, 2253 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 2254 2255 if (guid == searchguid) 2256 found_config = config; 2257 } 2258 } 2259 2260 /* 2261 * If we were searching for a specific pool, verify that we found a 2262 * pool, and then do the import. 2263 */ 2264 if (argc != 0 && err == 0) { 2265 if (found_config == NULL) { 2266 (void) fprintf(stderr, gettext("cannot import '%s': " 2267 "no such pool available\n"), argv[0]); 2268 err = B_TRUE; 2269 } else { 2270 err |= do_import(found_config, argc == 1 ? NULL : 2271 argv[1], mntopts, props, flags); 2272 } 2273 } 2274 2275 /* 2276 * If we were just looking for pools, report an error if none were 2277 * found. 2278 */ 2279 if (argc == 0 && first) 2280 (void) fprintf(stderr, 2281 gettext("no pools available to import\n")); 2282 2283error: 2284 nvlist_free(props); 2285 nvlist_free(pools); 2286 nvlist_free(policy); 2287 free(searchdirs); 2288 2289 return (err ? 1 : 0); 2290} 2291 2292typedef struct iostat_cbdata { 2293 boolean_t cb_verbose; 2294 int cb_namewidth; 2295 int cb_iteration; 2296 zpool_list_t *cb_list; 2297} iostat_cbdata_t; 2298 2299static void 2300print_iostat_separator(iostat_cbdata_t *cb) 2301{ 2302 int i = 0; 2303 2304 for (i = 0; i < cb->cb_namewidth; i++) 2305 (void) printf("-"); 2306 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 2307} 2308 2309static void 2310print_iostat_header(iostat_cbdata_t *cb) 2311{ 2312 (void) printf("%*s capacity operations bandwidth\n", 2313 cb->cb_namewidth, ""); 2314 (void) printf("%-*s alloc free read write read write\n", 2315 cb->cb_namewidth, "pool"); 2316 print_iostat_separator(cb); 2317} 2318 2319/* 2320 * Display a single statistic. 2321 */ 2322static void 2323print_one_stat(uint64_t value) 2324{ 2325 char buf[64]; 2326 2327 zfs_nicenum(value, buf, sizeof (buf)); 2328 (void) printf(" %5s", buf); 2329} 2330 2331/* 2332 * Print out all the statistics for the given vdev. This can either be the 2333 * toplevel configuration, or called recursively. If 'name' is NULL, then this 2334 * is a verbose output, and we don't want to display the toplevel pool stats. 2335 */ 2336void 2337print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 2338 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 2339{ 2340 nvlist_t **oldchild, **newchild; 2341 uint_t c, children; 2342 vdev_stat_t *oldvs, *newvs; 2343 vdev_stat_t zerovs = { 0 }; 2344 uint64_t tdelta; 2345 double scale; 2346 char *vname; 2347 2348 if (oldnv != NULL) { 2349 verify(nvlist_lookup_uint64_array(oldnv, 2350 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0); 2351 } else { 2352 oldvs = &zerovs; 2353 } 2354 2355 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS, 2356 (uint64_t **)&newvs, &c) == 0); 2357 2358 if (strlen(name) + depth > cb->cb_namewidth) 2359 (void) printf("%*s%s", depth, "", name); 2360 else 2361 (void) printf("%*s%s%*s", depth, "", name, 2362 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2363 2364 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 2365 2366 if (tdelta == 0) 2367 scale = 1.0; 2368 else 2369 scale = (double)NANOSEC / tdelta; 2370 2371 /* only toplevel vdevs have capacity stats */ 2372 if (newvs->vs_space == 0) { 2373 (void) printf(" - -"); 2374 } else { 2375 print_one_stat(newvs->vs_alloc); 2376 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2377 } 2378 2379 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2380 oldvs->vs_ops[ZIO_TYPE_READ]))); 2381 2382 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2383 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2384 2385 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2386 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2387 2388 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2389 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2390 2391 (void) printf("\n"); 2392 2393 if (!cb->cb_verbose) 2394 return; 2395 2396 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2397 &newchild, &children) != 0) 2398 return; 2399 2400 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2401 &oldchild, &c) != 0) 2402 return; 2403 2404 for (c = 0; c < children; c++) { 2405 uint64_t ishole = B_FALSE, islog = B_FALSE; 2406 2407 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE, 2408 &ishole); 2409 2410 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG, 2411 &islog); 2412 2413 if (ishole || islog) 2414 continue; 2415 2416 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2417 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2418 newchild[c], cb, depth + 2); 2419 free(vname); 2420 } 2421 2422 /* 2423 * Log device section 2424 */ 2425 2426 if (num_logs(newnv) > 0) { 2427 (void) printf("%-*s - - - - - " 2428 "-\n", cb->cb_namewidth, "logs"); 2429 2430 for (c = 0; c < children; c++) { 2431 uint64_t islog = B_FALSE; 2432 (void) nvlist_lookup_uint64(newchild[c], 2433 ZPOOL_CONFIG_IS_LOG, &islog); 2434 2435 if (islog) { 2436 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2437 B_FALSE); 2438 print_vdev_stats(zhp, vname, oldnv ? 2439 oldchild[c] : NULL, newchild[c], 2440 cb, depth + 2); 2441 free(vname); 2442 } 2443 } 2444 2445 } 2446 2447 /* 2448 * Include level 2 ARC devices in iostat output 2449 */ 2450 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2451 &newchild, &children) != 0) 2452 return; 2453 2454 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2455 &oldchild, &c) != 0) 2456 return; 2457 2458 if (children > 0) { 2459 (void) printf("%-*s - - - - - " 2460 "-\n", cb->cb_namewidth, "cache"); 2461 for (c = 0; c < children; c++) { 2462 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2463 B_FALSE); 2464 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2465 newchild[c], cb, depth + 2); 2466 free(vname); 2467 } 2468 } 2469} 2470 2471static int 2472refresh_iostat(zpool_handle_t *zhp, void *data) 2473{ 2474 iostat_cbdata_t *cb = data; 2475 boolean_t missing; 2476 2477 /* 2478 * If the pool has disappeared, remove it from the list and continue. 2479 */ 2480 if (zpool_refresh_stats(zhp, &missing) != 0) 2481 return (-1); 2482 2483 if (missing) 2484 pool_list_remove(cb->cb_list, zhp); 2485 2486 return (0); 2487} 2488 2489/* 2490 * Callback to print out the iostats for the given pool. 2491 */ 2492int 2493print_iostat(zpool_handle_t *zhp, void *data) 2494{ 2495 iostat_cbdata_t *cb = data; 2496 nvlist_t *oldconfig, *newconfig; 2497 nvlist_t *oldnvroot, *newnvroot; 2498 2499 newconfig = zpool_get_config(zhp, &oldconfig); 2500 2501 if (cb->cb_iteration == 1) 2502 oldconfig = NULL; 2503 2504 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2505 &newnvroot) == 0); 2506 2507 if (oldconfig == NULL) 2508 oldnvroot = NULL; 2509 else 2510 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2511 &oldnvroot) == 0); 2512 2513 /* 2514 * Print out the statistics for the pool. 2515 */ 2516 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2517 2518 if (cb->cb_verbose) 2519 print_iostat_separator(cb); 2520 2521 return (0); 2522} 2523 2524int 2525get_namewidth(zpool_handle_t *zhp, void *data) 2526{ 2527 iostat_cbdata_t *cb = data; 2528 nvlist_t *config, *nvroot; 2529 2530 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2531 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2532 &nvroot) == 0); 2533 if (!cb->cb_verbose) 2534 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2535 else 2536 cb->cb_namewidth = max_width(zhp, nvroot, 0, 2537 cb->cb_namewidth); 2538 } 2539 2540 /* 2541 * The width must fall into the range [10,38]. The upper limit is the 2542 * maximum we can have and still fit in 80 columns. 2543 */ 2544 if (cb->cb_namewidth < 10) 2545 cb->cb_namewidth = 10; 2546 if (cb->cb_namewidth > 38) 2547 cb->cb_namewidth = 38; 2548 2549 return (0); 2550} 2551 2552/* 2553 * Parse the input string, get the 'interval' and 'count' value if there is one. 2554 */ 2555static void 2556get_interval_count(int *argcp, char **argv, unsigned long *iv, 2557 unsigned long *cnt) 2558{ 2559 unsigned long interval = 0, count = 0; 2560 int argc = *argcp, errno; 2561 2562 /* 2563 * Determine if the last argument is an integer or a pool name 2564 */ 2565 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2566 char *end; 2567 2568 errno = 0; 2569 interval = strtoul(argv[argc - 1], &end, 10); 2570 2571 if (*end == '\0' && errno == 0) { 2572 if (interval == 0) { 2573 (void) fprintf(stderr, gettext("interval " 2574 "cannot be zero\n")); 2575 usage(B_FALSE); 2576 } 2577 /* 2578 * Ignore the last parameter 2579 */ 2580 argc--; 2581 } else { 2582 /* 2583 * If this is not a valid number, just plow on. The 2584 * user will get a more informative error message later 2585 * on. 2586 */ 2587 interval = 0; 2588 } 2589 } 2590 2591 /* 2592 * If the last argument is also an integer, then we have both a count 2593 * and an interval. 2594 */ 2595 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2596 char *end; 2597 2598 errno = 0; 2599 count = interval; 2600 interval = strtoul(argv[argc - 1], &end, 10); 2601 2602 if (*end == '\0' && errno == 0) { 2603 if (interval == 0) { 2604 (void) fprintf(stderr, gettext("interval " 2605 "cannot be zero\n")); 2606 usage(B_FALSE); 2607 } 2608 2609 /* 2610 * Ignore the last parameter 2611 */ 2612 argc--; 2613 } else { 2614 interval = 0; 2615 } 2616 } 2617 2618 *iv = interval; 2619 *cnt = count; 2620 *argcp = argc; 2621} 2622 2623static void 2624get_timestamp_arg(char c) 2625{ 2626 if (c == 'u') 2627 timestamp_fmt = UDATE; 2628 else if (c == 'd') 2629 timestamp_fmt = DDATE; 2630 else 2631 usage(B_FALSE); 2632} 2633 2634/* 2635 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]] 2636 * 2637 * -v Display statistics for individual vdevs 2638 * -T Display a timestamp in date(1) or Unix format 2639 * 2640 * This command can be tricky because we want to be able to deal with pool 2641 * creation/destruction as well as vdev configuration changes. The bulk of this 2642 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2643 * on pool_list_update() to detect the addition of new pools. Configuration 2644 * changes are all handled within libzfs. 2645 */ 2646int 2647zpool_do_iostat(int argc, char **argv) 2648{ 2649 int c; 2650 int ret; 2651 int npools; 2652 unsigned long interval = 0, count = 0; 2653 zpool_list_t *list; 2654 boolean_t verbose = B_FALSE; 2655 iostat_cbdata_t cb; 2656 2657 /* check options */ 2658 while ((c = getopt(argc, argv, "T:v")) != -1) { 2659 switch (c) { 2660 case 'T': 2661 get_timestamp_arg(*optarg); 2662 break; 2663 case 'v': 2664 verbose = B_TRUE; 2665 break; 2666 case '?': 2667 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2668 optopt); 2669 usage(B_FALSE); 2670 } 2671 } 2672 2673 argc -= optind; 2674 argv += optind; 2675 2676 get_interval_count(&argc, argv, &interval, &count); 2677 2678 /* 2679 * Construct the list of all interesting pools. 2680 */ 2681 ret = 0; 2682 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2683 return (1); 2684 2685 if (pool_list_count(list) == 0 && argc != 0) { 2686 pool_list_free(list); 2687 return (1); 2688 } 2689 2690 if (pool_list_count(list) == 0 && interval == 0) { 2691 pool_list_free(list); 2692 (void) fprintf(stderr, gettext("no pools available\n")); 2693 return (1); 2694 } 2695 2696 /* 2697 * Enter the main iostat loop. 2698 */ 2699 cb.cb_list = list; 2700 cb.cb_verbose = verbose; 2701 cb.cb_iteration = 0; 2702 cb.cb_namewidth = 0; 2703 2704 for (;;) { 2705 pool_list_update(list); 2706 2707 if ((npools = pool_list_count(list)) == 0) 2708 break; 2709 2710 /* 2711 * Refresh all statistics. This is done as an explicit step 2712 * before calculating the maximum name width, so that any 2713 * configuration changes are properly accounted for. 2714 */ 2715 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2716 2717 /* 2718 * Iterate over all pools to determine the maximum width 2719 * for the pool / device name column across all pools. 2720 */ 2721 cb.cb_namewidth = 0; 2722 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2723 2724 if (timestamp_fmt != NODATE) 2725 print_timestamp(timestamp_fmt); 2726 2727 /* 2728 * If it's the first time, or verbose mode, print the header. 2729 */ 2730 if (++cb.cb_iteration == 1 || verbose) 2731 print_iostat_header(&cb); 2732 2733 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2734 2735 /* 2736 * If there's more than one pool, and we're not in verbose mode 2737 * (which prints a separator for us), then print a separator. 2738 */ 2739 if (npools > 1 && !verbose) 2740 print_iostat_separator(&cb); 2741 2742 if (verbose) 2743 (void) printf("\n"); 2744 2745 /* 2746 * Flush the output so that redirection to a file isn't buffered 2747 * indefinitely. 2748 */ 2749 (void) fflush(stdout); 2750 2751 if (interval == 0) 2752 break; 2753 2754 if (count != 0 && --count == 0) 2755 break; 2756 2757 (void) sleep(interval); 2758 } 2759 2760 pool_list_free(list); 2761 2762 return (ret); 2763} 2764 2765typedef struct list_cbdata { 2766 boolean_t cb_verbose; 2767 int cb_namewidth; 2768 boolean_t cb_scripted; 2769 zprop_list_t *cb_proplist; 2770 boolean_t cb_literal; 2771} list_cbdata_t; 2772 2773/* 2774 * Given a list of columns to display, output appropriate headers for each one. 2775 */ 2776static void 2777print_header(list_cbdata_t *cb) 2778{ 2779 zprop_list_t *pl = cb->cb_proplist; 2780 char headerbuf[ZPOOL_MAXPROPLEN]; 2781 const char *header; 2782 boolean_t first = B_TRUE; 2783 boolean_t right_justify; 2784 size_t width = 0; 2785 2786 for (; pl != NULL; pl = pl->pl_next) { 2787 width = pl->pl_width; 2788 if (first && cb->cb_verbose) { 2789 /* 2790 * Reset the width to accommodate the verbose listing 2791 * of devices. 2792 */ 2793 width = cb->cb_namewidth; 2794 } 2795 2796 if (!first) 2797 (void) printf(" "); 2798 else 2799 first = B_FALSE; 2800 2801 right_justify = B_FALSE; 2802 if (pl->pl_prop != ZPROP_INVAL) { 2803 header = zpool_prop_column_name(pl->pl_prop); 2804 right_justify = zpool_prop_align_right(pl->pl_prop); 2805 } else { 2806 int i; 2807 2808 for (i = 0; pl->pl_user_prop[i] != '\0'; i++) 2809 headerbuf[i] = toupper(pl->pl_user_prop[i]); 2810 headerbuf[i] = '\0'; 2811 header = headerbuf; 2812 } 2813 2814 if (pl->pl_next == NULL && !right_justify) 2815 (void) printf("%s", header); 2816 else if (right_justify) 2817 (void) printf("%*s", width, header); 2818 else 2819 (void) printf("%-*s", width, header); 2820 2821 } 2822 2823 (void) printf("\n"); 2824} 2825 2826/* 2827 * Given a pool and a list of properties, print out all the properties according 2828 * to the described layout. 2829 */ 2830static void 2831print_pool(zpool_handle_t *zhp, list_cbdata_t *cb) 2832{ 2833 zprop_list_t *pl = cb->cb_proplist; 2834 boolean_t first = B_TRUE; 2835 char property[ZPOOL_MAXPROPLEN]; 2836 char *propstr; 2837 boolean_t right_justify; 2838 size_t width; 2839 2840 for (; pl != NULL; pl = pl->pl_next) { 2841 2842 width = pl->pl_width; 2843 if (first && cb->cb_verbose) { 2844 /* 2845 * Reset the width to accommodate the verbose listing 2846 * of devices. 2847 */ 2848 width = cb->cb_namewidth; 2849 } 2850 2851 if (!first) { 2852 if (cb->cb_scripted) 2853 (void) printf("\t"); 2854 else 2855 (void) printf(" "); 2856 } else { 2857 first = B_FALSE; 2858 } 2859 2860 right_justify = B_FALSE; 2861 if (pl->pl_prop != ZPROP_INVAL) { 2862 if (zpool_get_prop(zhp, pl->pl_prop, property, 2863 sizeof (property), NULL, cb->cb_literal) != 0) 2864 propstr = "-"; 2865 else 2866 propstr = property; 2867 2868 right_justify = zpool_prop_align_right(pl->pl_prop); 2869 } else if ((zpool_prop_feature(pl->pl_user_prop) || 2870 zpool_prop_unsupported(pl->pl_user_prop)) && 2871 zpool_prop_get_feature(zhp, pl->pl_user_prop, property, 2872 sizeof (property)) == 0) { 2873 propstr = property; 2874 } else { 2875 propstr = "-"; 2876 } 2877 2878 2879 /* 2880 * If this is being called in scripted mode, or if this is the 2881 * last column and it is left-justified, don't include a width 2882 * format specifier. 2883 */ 2884 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify)) 2885 (void) printf("%s", propstr); 2886 else if (right_justify) 2887 (void) printf("%*s", width, propstr); 2888 else 2889 (void) printf("%-*s", width, propstr); 2890 } 2891 2892 (void) printf("\n"); 2893} 2894 2895static void 2896print_one_column(zpool_prop_t prop, uint64_t value, boolean_t scripted, 2897 boolean_t valid) 2898{ 2899 char propval[64]; 2900 boolean_t fixed; 2901 size_t width = zprop_width(prop, &fixed, ZFS_TYPE_POOL); 2902 2903 switch (prop) { 2904 case ZPOOL_PROP_EXPANDSZ: 2905 if (value == 0) 2906 (void) strlcpy(propval, "-", sizeof (propval)); 2907 else 2908 zfs_nicenum(value, propval, sizeof (propval)); 2909 break; 2910 case ZPOOL_PROP_FRAGMENTATION: 2911 if (value == ZFS_FRAG_INVALID) { 2912 (void) strlcpy(propval, "-", sizeof (propval)); 2913 } else { 2914 (void) snprintf(propval, sizeof (propval), "%llu%%", 2915 value); 2916 } 2917 break; 2918 case ZPOOL_PROP_CAPACITY: 2919 (void) snprintf(propval, sizeof (propval), "%llu%%", value); 2920 break; 2921 default: 2922 zfs_nicenum(value, propval, sizeof (propval)); 2923 } 2924 2925 if (!valid) 2926 (void) strlcpy(propval, "-", sizeof (propval)); 2927 2928 if (scripted) 2929 (void) printf("\t%s", propval); 2930 else 2931 (void) printf(" %*s", width, propval); 2932} 2933 2934void 2935print_list_stats(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 2936 list_cbdata_t *cb, int depth) 2937{ 2938 nvlist_t **child; 2939 vdev_stat_t *vs; 2940 uint_t c, children; 2941 char *vname; 2942 boolean_t scripted = cb->cb_scripted; 2943 2944 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 2945 (uint64_t **)&vs, &c) == 0); 2946 2947 if (name != NULL) { 2948 boolean_t toplevel = (vs->vs_space != 0); 2949 uint64_t cap; 2950 2951 if (scripted) 2952 (void) printf("\t%s", name); 2953 else if (strlen(name) + depth > cb->cb_namewidth) 2954 (void) printf("%*s%s", depth, "", name); 2955 else 2956 (void) printf("%*s%s%*s", depth, "", name, 2957 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2958 2959 /* 2960 * Print the properties for the individual vdevs. Some 2961 * properties are only applicable to toplevel vdevs. The 2962 * 'toplevel' boolean value is passed to the print_one_column() 2963 * to indicate that the value is valid. 2964 */ 2965 print_one_column(ZPOOL_PROP_SIZE, vs->vs_space, scripted, 2966 toplevel); 2967 print_one_column(ZPOOL_PROP_ALLOCATED, vs->vs_alloc, scripted, 2968 toplevel); 2969 print_one_column(ZPOOL_PROP_FREE, vs->vs_space - vs->vs_alloc, 2970 scripted, toplevel); 2971 print_one_column(ZPOOL_PROP_EXPANDSZ, vs->vs_esize, scripted, 2972 B_TRUE); 2973 print_one_column(ZPOOL_PROP_FRAGMENTATION, 2974 vs->vs_fragmentation, scripted, 2975 (vs->vs_fragmentation != ZFS_FRAG_INVALID && toplevel)); 2976 cap = (vs->vs_space == 0) ? 0 : 2977 (vs->vs_alloc * 100 / vs->vs_space); 2978 print_one_column(ZPOOL_PROP_CAPACITY, cap, scripted, toplevel); 2979 (void) printf("\n"); 2980 } 2981 2982 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2983 &child, &children) != 0) 2984 return; 2985 2986 for (c = 0; c < children; c++) { 2987 uint64_t ishole = B_FALSE; 2988 2989 if (nvlist_lookup_uint64(child[c], 2990 ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole) 2991 continue; 2992 2993 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 2994 print_list_stats(zhp, vname, child[c], cb, depth + 2); 2995 free(vname); 2996 } 2997 2998 /* 2999 * Include level 2 ARC devices in iostat output 3000 */ 3001 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 3002 &child, &children) != 0) 3003 return; 3004 3005 if (children > 0) { 3006 (void) printf("%-*s - - - - - " 3007 "-\n", cb->cb_namewidth, "cache"); 3008 for (c = 0; c < children; c++) { 3009 vname = zpool_vdev_name(g_zfs, zhp, child[c], 3010 B_FALSE); 3011 print_list_stats(zhp, vname, child[c], cb, depth + 2); 3012 free(vname); 3013 } 3014 } 3015} 3016 3017 3018/* 3019 * Generic callback function to list a pool. 3020 */ 3021int 3022list_callback(zpool_handle_t *zhp, void *data) 3023{ 3024 list_cbdata_t *cbp = data; 3025 nvlist_t *config; 3026 nvlist_t *nvroot; 3027 3028 config = zpool_get_config(zhp, NULL); 3029 3030 print_pool(zhp, cbp); 3031 if (!cbp->cb_verbose) 3032 return (0); 3033 3034 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3035 &nvroot) == 0); 3036 print_list_stats(zhp, NULL, nvroot, cbp, 0); 3037 3038 return (0); 3039} 3040 3041/* 3042 * zpool list [-Hp] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]] 3043 * 3044 * -H Scripted mode. Don't display headers, and separate properties 3045 * by a single tab. 3046 * -o List of properties to display. Defaults to 3047 * "name,size,allocated,free,expandsize,fragmentation,capacity," 3048 * "dedupratio,health,altroot" 3049 * -p Diplay values in parsable (exact) format. 3050 * -T Display a timestamp in date(1) or Unix format 3051 * 3052 * List all pools in the system, whether or not they're healthy. Output space 3053 * statistics for each one, as well as health status summary. 3054 */ 3055int 3056zpool_do_list(int argc, char **argv) 3057{ 3058 int c; 3059 int ret; 3060 list_cbdata_t cb = { 0 }; 3061 static char default_props[] = 3062 "name,size,allocated,free,expandsize,fragmentation,capacity," 3063 "dedupratio,health,altroot"; 3064 char *props = default_props; 3065 unsigned long interval = 0, count = 0; 3066 zpool_list_t *list; 3067 boolean_t first = B_TRUE; 3068 3069 /* check options */ 3070 while ((c = getopt(argc, argv, ":Ho:pT:v")) != -1) { 3071 switch (c) { 3072 case 'H': 3073 cb.cb_scripted = B_TRUE; 3074 break; 3075 case 'o': 3076 props = optarg; 3077 break; 3078 case 'p': 3079 cb.cb_literal = B_TRUE; 3080 break; 3081 case 'T': 3082 get_timestamp_arg(*optarg); 3083 break; 3084 case 'v': 3085 cb.cb_verbose = B_TRUE; 3086 break; 3087 case ':': 3088 (void) fprintf(stderr, gettext("missing argument for " 3089 "'%c' option\n"), optopt); 3090 usage(B_FALSE); 3091 break; 3092 case '?': 3093 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3094 optopt); 3095 usage(B_FALSE); 3096 } 3097 } 3098 3099 argc -= optind; 3100 argv += optind; 3101 3102 get_interval_count(&argc, argv, &interval, &count); 3103 3104 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 3105 usage(B_FALSE); 3106 3107 for (;;) { 3108 if ((list = pool_list_get(argc, argv, &cb.cb_proplist, 3109 &ret)) == NULL) 3110 return (1); 3111 3112 if (pool_list_count(list) == 0) 3113 break; 3114 3115 cb.cb_namewidth = 0; 3116 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 3117 3118 if (timestamp_fmt != NODATE) 3119 print_timestamp(timestamp_fmt); 3120 3121 if (!cb.cb_scripted && (first || cb.cb_verbose)) { 3122 print_header(&cb); 3123 first = B_FALSE; 3124 } 3125 ret = pool_list_iter(list, B_TRUE, list_callback, &cb); 3126 3127 if (interval == 0) 3128 break; 3129 3130 if (count != 0 && --count == 0) 3131 break; 3132 3133 pool_list_free(list); 3134 (void) sleep(interval); 3135 } 3136 3137 if (argc == 0 && !cb.cb_scripted && pool_list_count(list) == 0) { 3138 (void) printf(gettext("no pools available\n")); 3139 ret = 0; 3140 } 3141 3142 pool_list_free(list); 3143 zprop_free_list(cb.cb_proplist); 3144 return (ret); 3145} 3146 3147static nvlist_t * 3148zpool_get_vdev_by_name(nvlist_t *nv, char *name) 3149{ 3150 nvlist_t **child; 3151 uint_t c, children; 3152 nvlist_t *match; 3153 char *path; 3154 3155 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 3156 &child, &children) != 0) { 3157 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 3158 if (strncmp(name, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0) 3159 name += sizeof(_PATH_DEV) - 1; 3160 if (strncmp(path, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0) 3161 path += sizeof(_PATH_DEV) - 1; 3162 if (strcmp(name, path) == 0) 3163 return (nv); 3164 return (NULL); 3165 } 3166 3167 for (c = 0; c < children; c++) 3168 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 3169 return (match); 3170 3171 return (NULL); 3172} 3173 3174static int 3175zpool_do_attach_or_replace(int argc, char **argv, int replacing) 3176{ 3177 boolean_t force = B_FALSE; 3178 int c; 3179 nvlist_t *nvroot; 3180 char *poolname, *old_disk, *new_disk; 3181 zpool_handle_t *zhp; 3182 int ret; 3183 3184 /* check options */ 3185 while ((c = getopt(argc, argv, "f")) != -1) { 3186 switch (c) { 3187 case 'f': 3188 force = B_TRUE; 3189 break; 3190 case '?': 3191 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3192 optopt); 3193 usage(B_FALSE); 3194 } 3195 } 3196 3197 argc -= optind; 3198 argv += optind; 3199 3200 /* get pool name and check number of arguments */ 3201 if (argc < 1) { 3202 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3203 usage(B_FALSE); 3204 } 3205 3206 poolname = argv[0]; 3207 3208 if (argc < 2) { 3209 (void) fprintf(stderr, 3210 gettext("missing <device> specification\n")); 3211 usage(B_FALSE); 3212 } 3213 3214 old_disk = argv[1]; 3215 3216 if (argc < 3) { 3217 if (!replacing) { 3218 (void) fprintf(stderr, 3219 gettext("missing <new_device> specification\n")); 3220 usage(B_FALSE); 3221 } 3222 new_disk = old_disk; 3223 argc -= 1; 3224 argv += 1; 3225 } else { 3226 new_disk = argv[2]; 3227 argc -= 2; 3228 argv += 2; 3229 } 3230 3231 if (argc > 1) { 3232 (void) fprintf(stderr, gettext("too many arguments\n")); 3233 usage(B_FALSE); 3234 } 3235 3236 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3237 return (1); 3238 3239 if (zpool_get_config(zhp, NULL) == NULL) { 3240 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 3241 poolname); 3242 zpool_close(zhp); 3243 return (1); 3244 } 3245 3246 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 3247 argc, argv); 3248 if (nvroot == NULL) { 3249 zpool_close(zhp); 3250 return (1); 3251 } 3252 3253 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 3254 3255 nvlist_free(nvroot); 3256 zpool_close(zhp); 3257 3258 return (ret); 3259} 3260 3261/* 3262 * zpool replace [-f] <pool> <device> <new_device> 3263 * 3264 * -f Force attach, even if <new_device> appears to be in use. 3265 * 3266 * Replace <device> with <new_device>. 3267 */ 3268/* ARGSUSED */ 3269int 3270zpool_do_replace(int argc, char **argv) 3271{ 3272 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 3273} 3274 3275/* 3276 * zpool attach [-f] <pool> <device> <new_device> 3277 * 3278 * -f Force attach, even if <new_device> appears to be in use. 3279 * 3280 * Attach <new_device> to the mirror containing <device>. If <device> is not 3281 * part of a mirror, then <device> will be transformed into a mirror of 3282 * <device> and <new_device>. In either case, <new_device> will begin life 3283 * with a DTL of [0, now], and will immediately begin to resilver itself. 3284 */ 3285int 3286zpool_do_attach(int argc, char **argv) 3287{ 3288 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 3289} 3290 3291/* 3292 * zpool detach [-f] <pool> <device> 3293 * 3294 * -f Force detach of <device>, even if DTLs argue against it 3295 * (not supported yet) 3296 * 3297 * Detach a device from a mirror. The operation will be refused if <device> 3298 * is the last device in the mirror, or if the DTLs indicate that this device 3299 * has the only valid copy of some data. 3300 */ 3301/* ARGSUSED */ 3302int 3303zpool_do_detach(int argc, char **argv) 3304{ 3305 int c; 3306 char *poolname, *path; 3307 zpool_handle_t *zhp; 3308 int ret; 3309 3310 /* check options */ 3311 while ((c = getopt(argc, argv, "f")) != -1) { 3312 switch (c) { 3313 case 'f': 3314 case '?': 3315 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3316 optopt); 3317 usage(B_FALSE); 3318 } 3319 } 3320 3321 argc -= optind; 3322 argv += optind; 3323 3324 /* get pool name and check number of arguments */ 3325 if (argc < 1) { 3326 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3327 usage(B_FALSE); 3328 } 3329 3330 if (argc < 2) { 3331 (void) fprintf(stderr, 3332 gettext("missing <device> specification\n")); 3333 usage(B_FALSE); 3334 } 3335 3336 poolname = argv[0]; 3337 path = argv[1]; 3338 3339 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3340 return (1); 3341 3342 ret = zpool_vdev_detach(zhp, path); 3343 3344 zpool_close(zhp); 3345 3346 return (ret); 3347} 3348 3349/* 3350 * zpool split [-n] [-o prop=val] ... 3351 * [-o mntopt] ... 3352 * [-R altroot] <pool> <newpool> [<device> ...] 3353 * 3354 * -n Do not split the pool, but display the resulting layout if 3355 * it were to be split. 3356 * -o Set property=value, or set mount options. 3357 * -R Mount the split-off pool under an alternate root. 3358 * 3359 * Splits the named pool and gives it the new pool name. Devices to be split 3360 * off may be listed, provided that no more than one device is specified 3361 * per top-level vdev mirror. The newly split pool is left in an exported 3362 * state unless -R is specified. 3363 * 3364 * Restrictions: the top-level of the pool pool must only be made up of 3365 * mirrors; all devices in the pool must be healthy; no device may be 3366 * undergoing a resilvering operation. 3367 */ 3368int 3369zpool_do_split(int argc, char **argv) 3370{ 3371 char *srcpool, *newpool, *propval; 3372 char *mntopts = NULL; 3373 splitflags_t flags; 3374 int c, ret = 0; 3375 zpool_handle_t *zhp; 3376 nvlist_t *config, *props = NULL; 3377 3378 flags.dryrun = B_FALSE; 3379 flags.import = B_FALSE; 3380 3381 /* check options */ 3382 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 3383 switch (c) { 3384 case 'R': 3385 flags.import = B_TRUE; 3386 if (add_prop_list( 3387 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 3388 &props, B_TRUE) != 0) { 3389 if (props) 3390 nvlist_free(props); 3391 usage(B_FALSE); 3392 } 3393 break; 3394 case 'n': 3395 flags.dryrun = B_TRUE; 3396 break; 3397 case 'o': 3398 if ((propval = strchr(optarg, '=')) != NULL) { 3399 *propval = '\0'; 3400 propval++; 3401 if (add_prop_list(optarg, propval, 3402 &props, B_TRUE) != 0) { 3403 if (props) 3404 nvlist_free(props); 3405 usage(B_FALSE); 3406 } 3407 } else { 3408 mntopts = optarg; 3409 } 3410 break; 3411 case ':': 3412 (void) fprintf(stderr, gettext("missing argument for " 3413 "'%c' option\n"), optopt); 3414 usage(B_FALSE); 3415 break; 3416 case '?': 3417 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3418 optopt); 3419 usage(B_FALSE); 3420 break; 3421 } 3422 } 3423 3424 if (!flags.import && mntopts != NULL) { 3425 (void) fprintf(stderr, gettext("setting mntopts is only " 3426 "valid when importing the pool\n")); 3427 usage(B_FALSE); 3428 } 3429 3430 argc -= optind; 3431 argv += optind; 3432 3433 if (argc < 1) { 3434 (void) fprintf(stderr, gettext("Missing pool name\n")); 3435 usage(B_FALSE); 3436 } 3437 if (argc < 2) { 3438 (void) fprintf(stderr, gettext("Missing new pool name\n")); 3439 usage(B_FALSE); 3440 } 3441 3442 srcpool = argv[0]; 3443 newpool = argv[1]; 3444 3445 argc -= 2; 3446 argv += 2; 3447 3448 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 3449 return (1); 3450 3451 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 3452 if (config == NULL) { 3453 ret = 1; 3454 } else { 3455 if (flags.dryrun) { 3456 (void) printf(gettext("would create '%s' with the " 3457 "following layout:\n\n"), newpool); 3458 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 3459 } 3460 nvlist_free(config); 3461 } 3462 3463 zpool_close(zhp); 3464 3465 if (ret != 0 || flags.dryrun || !flags.import) 3466 return (ret); 3467 3468 /* 3469 * The split was successful. Now we need to open the new 3470 * pool and import it. 3471 */ 3472 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 3473 return (1); 3474 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 3475 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 3476 ret = 1; 3477 (void) fprintf(stderr, gettext("Split was successful, but " 3478 "the datasets could not all be mounted\n")); 3479 (void) fprintf(stderr, gettext("Try doing '%s' with a " 3480 "different altroot\n"), "zpool import"); 3481 } 3482 zpool_close(zhp); 3483 3484 return (ret); 3485} 3486 3487 3488 3489/* 3490 * zpool online <pool> <device> ... 3491 */ 3492int 3493zpool_do_online(int argc, char **argv) 3494{ 3495 int c, i; 3496 char *poolname; 3497 zpool_handle_t *zhp; 3498 int ret = 0; 3499 vdev_state_t newstate; 3500 int flags = 0; 3501 3502 /* check options */ 3503 while ((c = getopt(argc, argv, "et")) != -1) { 3504 switch (c) { 3505 case 'e': 3506 flags |= ZFS_ONLINE_EXPAND; 3507 break; 3508 case 't': 3509 case '?': 3510 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3511 optopt); 3512 usage(B_FALSE); 3513 } 3514 } 3515 3516 argc -= optind; 3517 argv += optind; 3518 3519 /* get pool name and check number of arguments */ 3520 if (argc < 1) { 3521 (void) fprintf(stderr, gettext("missing pool name\n")); 3522 usage(B_FALSE); 3523 } 3524 if (argc < 2) { 3525 (void) fprintf(stderr, gettext("missing device name\n")); 3526 usage(B_FALSE); 3527 } 3528 3529 poolname = argv[0]; 3530 3531 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3532 return (1); 3533 3534 for (i = 1; i < argc; i++) { 3535 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 3536 if (newstate != VDEV_STATE_HEALTHY) { 3537 (void) printf(gettext("warning: device '%s' " 3538 "onlined, but remains in faulted state\n"), 3539 argv[i]); 3540 if (newstate == VDEV_STATE_FAULTED) 3541 (void) printf(gettext("use 'zpool " 3542 "clear' to restore a faulted " 3543 "device\n")); 3544 else 3545 (void) printf(gettext("use 'zpool " 3546 "replace' to replace devices " 3547 "that are no longer present\n")); 3548 } 3549 } else { 3550 ret = 1; 3551 } 3552 } 3553 3554 zpool_close(zhp); 3555 3556 return (ret); 3557} 3558 3559/* 3560 * zpool offline [-ft] <pool> <device> ... 3561 * 3562 * -f Force the device into the offline state, even if doing 3563 * so would appear to compromise pool availability. 3564 * (not supported yet) 3565 * 3566 * -t Only take the device off-line temporarily. The offline 3567 * state will not be persistent across reboots. 3568 */ 3569/* ARGSUSED */ 3570int 3571zpool_do_offline(int argc, char **argv) 3572{ 3573 int c, i; 3574 char *poolname; 3575 zpool_handle_t *zhp; 3576 int ret = 0; 3577 boolean_t istmp = B_FALSE; 3578 3579 /* check options */ 3580 while ((c = getopt(argc, argv, "ft")) != -1) { 3581 switch (c) { 3582 case 't': 3583 istmp = B_TRUE; 3584 break; 3585 case 'f': 3586 case '?': 3587 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3588 optopt); 3589 usage(B_FALSE); 3590 } 3591 } 3592 3593 argc -= optind; 3594 argv += optind; 3595 3596 /* get pool name and check number of arguments */ 3597 if (argc < 1) { 3598 (void) fprintf(stderr, gettext("missing pool name\n")); 3599 usage(B_FALSE); 3600 } 3601 if (argc < 2) { 3602 (void) fprintf(stderr, gettext("missing device name\n")); 3603 usage(B_FALSE); 3604 } 3605 3606 poolname = argv[0]; 3607 3608 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3609 return (1); 3610 3611 for (i = 1; i < argc; i++) { 3612 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 3613 ret = 1; 3614 } 3615 3616 zpool_close(zhp); 3617 3618 return (ret); 3619} 3620 3621/* 3622 * zpool clear <pool> [device] 3623 * 3624 * Clear all errors associated with a pool or a particular device. 3625 */ 3626int 3627zpool_do_clear(int argc, char **argv) 3628{ 3629 int c; 3630 int ret = 0; 3631 boolean_t dryrun = B_FALSE; 3632 boolean_t do_rewind = B_FALSE; 3633 boolean_t xtreme_rewind = B_FALSE; 3634 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3635 nvlist_t *policy = NULL; 3636 zpool_handle_t *zhp; 3637 char *pool, *device; 3638 3639 /* check options */ 3640 while ((c = getopt(argc, argv, "FnX")) != -1) { 3641 switch (c) { 3642 case 'F': 3643 do_rewind = B_TRUE; 3644 break; 3645 case 'n': 3646 dryrun = B_TRUE; 3647 break; 3648 case 'X': 3649 xtreme_rewind = B_TRUE; 3650 break; 3651 case '?': 3652 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3653 optopt); 3654 usage(B_FALSE); 3655 } 3656 } 3657 3658 argc -= optind; 3659 argv += optind; 3660 3661 if (argc < 1) { 3662 (void) fprintf(stderr, gettext("missing pool name\n")); 3663 usage(B_FALSE); 3664 } 3665 3666 if (argc > 2) { 3667 (void) fprintf(stderr, gettext("too many arguments\n")); 3668 usage(B_FALSE); 3669 } 3670 3671 if ((dryrun || xtreme_rewind) && !do_rewind) { 3672 (void) fprintf(stderr, 3673 gettext("-n or -X only meaningful with -F\n")); 3674 usage(B_FALSE); 3675 } 3676 if (dryrun) 3677 rewind_policy = ZPOOL_TRY_REWIND; 3678 else if (do_rewind) 3679 rewind_policy = ZPOOL_DO_REWIND; 3680 if (xtreme_rewind) 3681 rewind_policy |= ZPOOL_EXTREME_REWIND; 3682 3683 /* In future, further rewind policy choices can be passed along here */ 3684 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3685 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3686 return (1); 3687 3688 pool = argv[0]; 3689 device = argc == 2 ? argv[1] : NULL; 3690 3691 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3692 nvlist_free(policy); 3693 return (1); 3694 } 3695 3696 if (zpool_clear(zhp, device, policy) != 0) 3697 ret = 1; 3698 3699 zpool_close(zhp); 3700 3701 nvlist_free(policy); 3702 3703 return (ret); 3704} 3705 3706/* 3707 * zpool reguid <pool> 3708 */ 3709int 3710zpool_do_reguid(int argc, char **argv) 3711{ 3712 int c; 3713 char *poolname; 3714 zpool_handle_t *zhp; 3715 int ret = 0; 3716 3717 /* check options */ 3718 while ((c = getopt(argc, argv, "")) != -1) { 3719 switch (c) { 3720 case '?': 3721 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3722 optopt); 3723 usage(B_FALSE); 3724 } 3725 } 3726 3727 argc -= optind; 3728 argv += optind; 3729 3730 /* get pool name and check number of arguments */ 3731 if (argc < 1) { 3732 (void) fprintf(stderr, gettext("missing pool name\n")); 3733 usage(B_FALSE); 3734 } 3735 3736 if (argc > 1) { 3737 (void) fprintf(stderr, gettext("too many arguments\n")); 3738 usage(B_FALSE); 3739 } 3740 3741 poolname = argv[0]; 3742 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3743 return (1); 3744 3745 ret = zpool_reguid(zhp); 3746 3747 zpool_close(zhp); 3748 return (ret); 3749} 3750 3751 3752/* 3753 * zpool reopen <pool> 3754 * 3755 * Reopen the pool so that the kernel can update the sizes of all vdevs. 3756 */ 3757int 3758zpool_do_reopen(int argc, char **argv) 3759{ 3760 int c; 3761 int ret = 0; 3762 zpool_handle_t *zhp; 3763 char *pool; 3764 3765 /* check options */ 3766 while ((c = getopt(argc, argv, "")) != -1) { 3767 switch (c) { 3768 case '?': 3769 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3770 optopt); 3771 usage(B_FALSE); 3772 } 3773 } 3774 3775 argc--; 3776 argv++; 3777 3778 if (argc < 1) { 3779 (void) fprintf(stderr, gettext("missing pool name\n")); 3780 usage(B_FALSE); 3781 } 3782 3783 if (argc > 1) { 3784 (void) fprintf(stderr, gettext("too many arguments\n")); 3785 usage(B_FALSE); 3786 } 3787 3788 pool = argv[0]; 3789 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) 3790 return (1); 3791 3792 ret = zpool_reopen(zhp); 3793 zpool_close(zhp); 3794 return (ret); 3795} 3796 3797typedef struct scrub_cbdata { 3798 int cb_type; 3799 int cb_argc; 3800 char **cb_argv; 3801} scrub_cbdata_t; 3802 3803int 3804scrub_callback(zpool_handle_t *zhp, void *data) 3805{ 3806 scrub_cbdata_t *cb = data; 3807 int err; 3808 3809 /* 3810 * Ignore faulted pools. 3811 */ 3812 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3813 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3814 "currently unavailable\n"), zpool_get_name(zhp)); 3815 return (1); 3816 } 3817 3818 err = zpool_scan(zhp, cb->cb_type); 3819 3820 return (err != 0); 3821} 3822 3823/* 3824 * zpool scrub [-s] <pool> ... 3825 * 3826 * -s Stop. Stops any in-progress scrub. 3827 */ 3828int 3829zpool_do_scrub(int argc, char **argv) 3830{ 3831 int c; 3832 scrub_cbdata_t cb; 3833 3834 cb.cb_type = POOL_SCAN_SCRUB; 3835 3836 /* check options */ 3837 while ((c = getopt(argc, argv, "s")) != -1) { 3838 switch (c) { 3839 case 's': 3840 cb.cb_type = POOL_SCAN_NONE; 3841 break; 3842 case '?': 3843 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3844 optopt); 3845 usage(B_FALSE); 3846 } 3847 } 3848 3849 cb.cb_argc = argc; 3850 cb.cb_argv = argv; 3851 argc -= optind; 3852 argv += optind; 3853 3854 if (argc < 1) { 3855 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3856 usage(B_FALSE); 3857 } 3858 3859 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3860} 3861 3862typedef struct status_cbdata { 3863 int cb_count; 3864 boolean_t cb_allpools; 3865 boolean_t cb_verbose; 3866 boolean_t cb_explain; 3867 boolean_t cb_first; 3868 boolean_t cb_dedup_stats; 3869} status_cbdata_t; 3870 3871/* 3872 * Print out detailed scrub status. 3873 */ 3874void 3875print_scan_status(pool_scan_stat_t *ps) 3876{ 3877 time_t start, end; 3878 uint64_t elapsed, mins_left, hours_left; 3879 uint64_t pass_exam, examined, total; 3880 uint_t rate; 3881 double fraction_done; 3882 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7]; 3883 3884 (void) printf(gettext(" scan: ")); 3885 3886 /* If there's never been a scan, there's not much to say. */ 3887 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE || 3888 ps->pss_func >= POOL_SCAN_FUNCS) { 3889 (void) printf(gettext("none requested\n")); 3890 return; 3891 } 3892 3893 start = ps->pss_start_time; 3894 end = ps->pss_end_time; 3895 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf)); 3896 3897 assert(ps->pss_func == POOL_SCAN_SCRUB || 3898 ps->pss_func == POOL_SCAN_RESILVER); 3899 /* 3900 * Scan is finished or canceled. 3901 */ 3902 if (ps->pss_state == DSS_FINISHED) { 3903 uint64_t minutes_taken = (end - start) / 60; 3904 char *fmt; 3905 3906 if (ps->pss_func == POOL_SCAN_SCRUB) { 3907 fmt = gettext("scrub repaired %s in %lluh%um with " 3908 "%llu errors on %s"); 3909 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3910 fmt = gettext("resilvered %s in %lluh%um with " 3911 "%llu errors on %s"); 3912 } 3913 /* LINTED */ 3914 (void) printf(fmt, processed_buf, 3915 (u_longlong_t)(minutes_taken / 60), 3916 (uint_t)(minutes_taken % 60), 3917 (u_longlong_t)ps->pss_errors, 3918 ctime((time_t *)&end)); 3919 return; 3920 } else if (ps->pss_state == DSS_CANCELED) { 3921 if (ps->pss_func == POOL_SCAN_SCRUB) { 3922 (void) printf(gettext("scrub canceled on %s"), 3923 ctime(&end)); 3924 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3925 (void) printf(gettext("resilver canceled on %s"), 3926 ctime(&end)); 3927 } 3928 return; 3929 } 3930 3931 assert(ps->pss_state == DSS_SCANNING); 3932 3933 /* 3934 * Scan is in progress. 3935 */ 3936 if (ps->pss_func == POOL_SCAN_SCRUB) { 3937 (void) printf(gettext("scrub in progress since %s"), 3938 ctime(&start)); 3939 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3940 (void) printf(gettext("resilver in progress since %s"), 3941 ctime(&start)); 3942 } 3943 3944 examined = ps->pss_examined ? ps->pss_examined : 1; 3945 total = ps->pss_to_examine; 3946 fraction_done = (double)examined / total; 3947 3948 /* elapsed time for this pass */ 3949 elapsed = time(NULL) - ps->pss_pass_start; 3950 elapsed = elapsed ? elapsed : 1; 3951 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1; 3952 rate = pass_exam / elapsed; 3953 rate = rate ? rate : 1; 3954 mins_left = ((total - examined) / rate) / 60; 3955 hours_left = mins_left / 60; 3956 3957 zfs_nicenum(examined, examined_buf, sizeof (examined_buf)); 3958 zfs_nicenum(total, total_buf, sizeof (total_buf)); 3959 zfs_nicenum(rate, rate_buf, sizeof (rate_buf)); 3960 3961 /* 3962 * do not print estimated time if hours_left is more than 30 days 3963 */ 3964 (void) printf(gettext(" %s scanned out of %s at %s/s"), 3965 examined_buf, total_buf, rate_buf); 3966 if (hours_left < (30 * 24)) { 3967 (void) printf(gettext(", %lluh%um to go\n"), 3968 (u_longlong_t)hours_left, (uint_t)(mins_left % 60)); 3969 } else { 3970 (void) printf(gettext( 3971 ", (scan is slow, no estimated time)\n")); 3972 } 3973 3974 if (ps->pss_func == POOL_SCAN_RESILVER) { 3975 (void) printf(gettext(" %s resilvered, %.2f%% done\n"), 3976 processed_buf, 100 * fraction_done); 3977 } else if (ps->pss_func == POOL_SCAN_SCRUB) { 3978 (void) printf(gettext(" %s repaired, %.2f%% done\n"), 3979 processed_buf, 100 * fraction_done); 3980 } 3981} 3982 3983static void 3984print_error_log(zpool_handle_t *zhp) 3985{ 3986 nvlist_t *nverrlist = NULL; 3987 nvpair_t *elem; 3988 char *pathname; 3989 size_t len = MAXPATHLEN * 2; 3990 3991 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3992 (void) printf("errors: List of errors unavailable " 3993 "(insufficient privileges)\n"); 3994 return; 3995 } 3996 3997 (void) printf("errors: Permanent errors have been " 3998 "detected in the following files:\n\n"); 3999 4000 pathname = safe_malloc(len); 4001 elem = NULL; 4002 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 4003 nvlist_t *nv; 4004 uint64_t dsobj, obj; 4005 4006 verify(nvpair_value_nvlist(elem, &nv) == 0); 4007 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 4008 &dsobj) == 0); 4009 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 4010 &obj) == 0); 4011 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 4012 (void) printf("%7s %s\n", "", pathname); 4013 } 4014 free(pathname); 4015 nvlist_free(nverrlist); 4016} 4017 4018static void 4019print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 4020 int namewidth) 4021{ 4022 uint_t i; 4023 char *name; 4024 4025 if (nspares == 0) 4026 return; 4027 4028 (void) printf(gettext("\tspares\n")); 4029 4030 for (i = 0; i < nspares; i++) { 4031 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 4032 print_status_config(zhp, name, spares[i], 4033 namewidth, 2, B_TRUE); 4034 free(name); 4035 } 4036} 4037 4038static void 4039print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 4040 int namewidth) 4041{ 4042 uint_t i; 4043 char *name; 4044 4045 if (nl2cache == 0) 4046 return; 4047 4048 (void) printf(gettext("\tcache\n")); 4049 4050 for (i = 0; i < nl2cache; i++) { 4051 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 4052 print_status_config(zhp, name, l2cache[i], 4053 namewidth, 2, B_FALSE); 4054 free(name); 4055 } 4056} 4057 4058static void 4059print_dedup_stats(nvlist_t *config) 4060{ 4061 ddt_histogram_t *ddh; 4062 ddt_stat_t *dds; 4063 ddt_object_t *ddo; 4064 uint_t c; 4065 4066 /* 4067 * If the pool was faulted then we may not have been able to 4068 * obtain the config. Otherwise, if we have anything in the dedup 4069 * table continue processing the stats. 4070 */ 4071 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 4072 (uint64_t **)&ddo, &c) != 0) 4073 return; 4074 4075 (void) printf("\n"); 4076 (void) printf(gettext(" dedup: ")); 4077 if (ddo->ddo_count == 0) { 4078 (void) printf(gettext("no DDT entries\n")); 4079 return; 4080 } 4081 4082 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 4083 (u_longlong_t)ddo->ddo_count, 4084 (u_longlong_t)ddo->ddo_dspace, 4085 (u_longlong_t)ddo->ddo_mspace); 4086 4087 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 4088 (uint64_t **)&dds, &c) == 0); 4089 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 4090 (uint64_t **)&ddh, &c) == 0); 4091 zpool_dump_ddt(dds, ddh); 4092} 4093 4094/* 4095 * Display a summary of pool status. Displays a summary such as: 4096 * 4097 * pool: tank 4098 * status: DEGRADED 4099 * reason: One or more devices ... 4100 * see: http://illumos.org/msg/ZFS-xxxx-01 4101 * config: 4102 * mirror DEGRADED 4103 * c1t0d0 OK 4104 * c2t0d0 UNAVAIL 4105 * 4106 * When given the '-v' option, we print out the complete config. If the '-e' 4107 * option is specified, then we print out error rate information as well. 4108 */ 4109int 4110status_callback(zpool_handle_t *zhp, void *data) 4111{ 4112 status_cbdata_t *cbp = data; 4113 nvlist_t *config, *nvroot; 4114 char *msgid; 4115 int reason; 4116 const char *health; 4117 uint_t c; 4118 vdev_stat_t *vs; 4119 4120 config = zpool_get_config(zhp, NULL); 4121 reason = zpool_get_status(zhp, &msgid); 4122 4123 cbp->cb_count++; 4124 4125 /* 4126 * If we were given 'zpool status -x', only report those pools with 4127 * problems. 4128 */ 4129 if (cbp->cb_explain && 4130 (reason == ZPOOL_STATUS_OK || 4131 reason == ZPOOL_STATUS_VERSION_OLDER || 4132 reason == ZPOOL_STATUS_NON_NATIVE_ASHIFT || 4133 reason == ZPOOL_STATUS_FEAT_DISABLED)) { 4134 if (!cbp->cb_allpools) { 4135 (void) printf(gettext("pool '%s' is healthy\n"), 4136 zpool_get_name(zhp)); 4137 if (cbp->cb_first) 4138 cbp->cb_first = B_FALSE; 4139 } 4140 return (0); 4141 } 4142 4143 if (cbp->cb_first) 4144 cbp->cb_first = B_FALSE; 4145 else 4146 (void) printf("\n"); 4147 4148 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 4149 &nvroot) == 0); 4150 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 4151 (uint64_t **)&vs, &c) == 0); 4152 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 4153 4154 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 4155 (void) printf(gettext(" state: %s\n"), health); 4156 4157 switch (reason) { 4158 case ZPOOL_STATUS_MISSING_DEV_R: 4159 (void) printf(gettext("status: One or more devices could not " 4160 "be opened. Sufficient replicas exist for\n\tthe pool to " 4161 "continue functioning in a degraded state.\n")); 4162 (void) printf(gettext("action: Attach the missing device and " 4163 "online it using 'zpool online'.\n")); 4164 break; 4165 4166 case ZPOOL_STATUS_MISSING_DEV_NR: 4167 (void) printf(gettext("status: One or more devices could not " 4168 "be opened. There are insufficient\n\treplicas for the " 4169 "pool to continue functioning.\n")); 4170 (void) printf(gettext("action: Attach the missing device and " 4171 "online it using 'zpool online'.\n")); 4172 break; 4173 4174 case ZPOOL_STATUS_CORRUPT_LABEL_R: 4175 (void) printf(gettext("status: One or more devices could not " 4176 "be used because the label is missing or\n\tinvalid. " 4177 "Sufficient replicas exist for the pool to continue\n\t" 4178 "functioning in a degraded state.\n")); 4179 (void) printf(gettext("action: Replace the device using " 4180 "'zpool replace'.\n")); 4181 break; 4182 4183 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 4184 (void) printf(gettext("status: One or more devices could not " 4185 "be used because the label is missing \n\tor invalid. " 4186 "There are insufficient replicas for the pool to " 4187 "continue\n\tfunctioning.\n")); 4188 zpool_explain_recover(zpool_get_handle(zhp), 4189 zpool_get_name(zhp), reason, config); 4190 break; 4191 4192 case ZPOOL_STATUS_FAILING_DEV: 4193 (void) printf(gettext("status: One or more devices has " 4194 "experienced an unrecoverable error. An\n\tattempt was " 4195 "made to correct the error. Applications are " 4196 "unaffected.\n")); 4197 (void) printf(gettext("action: Determine if the device needs " 4198 "to be replaced, and clear the errors\n\tusing " 4199 "'zpool clear' or replace the device with 'zpool " 4200 "replace'.\n")); 4201 break; 4202 4203 case ZPOOL_STATUS_OFFLINE_DEV: 4204 (void) printf(gettext("status: One or more devices has " 4205 "been taken offline by the administrator.\n\tSufficient " 4206 "replicas exist for the pool to continue functioning in " 4207 "a\n\tdegraded state.\n")); 4208 (void) printf(gettext("action: Online the device using " 4209 "'zpool online' or replace the device with\n\t'zpool " 4210 "replace'.\n")); 4211 break; 4212 4213 case ZPOOL_STATUS_REMOVED_DEV: 4214 (void) printf(gettext("status: One or more devices has " 4215 "been removed by the administrator.\n\tSufficient " 4216 "replicas exist for the pool to continue functioning in " 4217 "a\n\tdegraded state.\n")); 4218 (void) printf(gettext("action: Online the device using " 4219 "'zpool online' or replace the device with\n\t'zpool " 4220 "replace'.\n")); 4221 break; 4222 4223 case ZPOOL_STATUS_RESILVERING: 4224 (void) printf(gettext("status: One or more devices is " 4225 "currently being resilvered. The pool will\n\tcontinue " 4226 "to function, possibly in a degraded state.\n")); 4227 (void) printf(gettext("action: Wait for the resilver to " 4228 "complete.\n")); 4229 break; 4230 4231 case ZPOOL_STATUS_CORRUPT_DATA: 4232 (void) printf(gettext("status: One or more devices has " 4233 "experienced an error resulting in data\n\tcorruption. " 4234 "Applications may be affected.\n")); 4235 (void) printf(gettext("action: Restore the file in question " 4236 "if possible. Otherwise restore the\n\tentire pool from " 4237 "backup.\n")); 4238 break; 4239 4240 case ZPOOL_STATUS_CORRUPT_POOL: 4241 (void) printf(gettext("status: The pool metadata is corrupted " 4242 "and the pool cannot be opened.\n")); 4243 zpool_explain_recover(zpool_get_handle(zhp), 4244 zpool_get_name(zhp), reason, config); 4245 break; 4246 4247 case ZPOOL_STATUS_VERSION_OLDER: 4248 (void) printf(gettext("status: The pool is formatted using a " 4249 "legacy on-disk format. The pool can\n\tstill be used, " 4250 "but some features are unavailable.\n")); 4251 (void) printf(gettext("action: Upgrade the pool using 'zpool " 4252 "upgrade'. Once this is done, the\n\tpool will no longer " 4253 "be accessible on software that does not support feature\n" 4254 "\tflags.\n")); 4255 break; 4256 4257 case ZPOOL_STATUS_VERSION_NEWER: 4258 (void) printf(gettext("status: The pool has been upgraded to a " 4259 "newer, incompatible on-disk version.\n\tThe pool cannot " 4260 "be accessed on this system.\n")); 4261 (void) printf(gettext("action: Access the pool from a system " 4262 "running more recent software, or\n\trestore the pool from " 4263 "backup.\n")); 4264 break; 4265 4266 case ZPOOL_STATUS_FEAT_DISABLED: 4267 (void) printf(gettext("status: Some supported features are not " 4268 "enabled on the pool. The pool can\n\tstill be used, but " 4269 "some features are unavailable.\n")); 4270 (void) printf(gettext("action: Enable all features using " 4271 "'zpool upgrade'. Once this is done,\n\tthe pool may no " 4272 "longer be accessible by software that does not support\n\t" 4273 "the features. See zpool-features(7) for details.\n")); 4274 break; 4275 4276 case ZPOOL_STATUS_UNSUP_FEAT_READ: 4277 (void) printf(gettext("status: The pool cannot be accessed on " 4278 "this system because it uses the\n\tfollowing feature(s) " 4279 "not supported on this system:\n")); 4280 zpool_print_unsup_feat(config); 4281 (void) printf("\n"); 4282 (void) printf(gettext("action: Access the pool from a system " 4283 "that supports the required feature(s),\n\tor restore the " 4284 "pool from backup.\n")); 4285 break; 4286 4287 case ZPOOL_STATUS_UNSUP_FEAT_WRITE: 4288 (void) printf(gettext("status: The pool can only be accessed " 4289 "in read-only mode on this system. It\n\tcannot be " 4290 "accessed in read-write mode because it uses the " 4291 "following\n\tfeature(s) not supported on this system:\n")); 4292 zpool_print_unsup_feat(config); 4293 (void) printf("\n"); 4294 (void) printf(gettext("action: The pool cannot be accessed in " 4295 "read-write mode. Import the pool with\n" 4296 "\t\"-o readonly=on\", access the pool from a system that " 4297 "supports the\n\trequired feature(s), or restore the " 4298 "pool from backup.\n")); 4299 break; 4300 4301 case ZPOOL_STATUS_FAULTED_DEV_R: 4302 (void) printf(gettext("status: One or more devices are " 4303 "faulted in response to persistent errors.\n\tSufficient " 4304 "replicas exist for the pool to continue functioning " 4305 "in a\n\tdegraded state.\n")); 4306 (void) printf(gettext("action: Replace the faulted device, " 4307 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 4308 break; 4309 4310 case ZPOOL_STATUS_FAULTED_DEV_NR: 4311 (void) printf(gettext("status: One or more devices are " 4312 "faulted in response to persistent errors. There are " 4313 "insufficient replicas for the pool to\n\tcontinue " 4314 "functioning.\n")); 4315 (void) printf(gettext("action: Destroy and re-create the pool " 4316 "from a backup source. Manually marking the device\n" 4317 "\trepaired using 'zpool clear' may allow some data " 4318 "to be recovered.\n")); 4319 break; 4320 4321 case ZPOOL_STATUS_IO_FAILURE_WAIT: 4322 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 4323 (void) printf(gettext("status: One or more devices are " 4324 "faulted in response to IO failures.\n")); 4325 (void) printf(gettext("action: Make sure the affected devices " 4326 "are connected, then run 'zpool clear'.\n")); 4327 break; 4328 4329 case ZPOOL_STATUS_BAD_LOG: 4330 (void) printf(gettext("status: An intent log record " 4331 "could not be read.\n" 4332 "\tWaiting for adminstrator intervention to fix the " 4333 "faulted pool.\n")); 4334 (void) printf(gettext("action: Either restore the affected " 4335 "device(s) and run 'zpool online',\n" 4336 "\tor ignore the intent log records by running " 4337 "'zpool clear'.\n")); 4338 break; 4339 4340 case ZPOOL_STATUS_NON_NATIVE_ASHIFT: 4341 (void) printf(gettext("status: One or more devices are " 4342 "configured to use a non-native block size.\n" 4343 "\tExpect reduced performance.\n")); 4344 (void) printf(gettext("action: Replace affected devices with " 4345 "devices that support the\n\tconfigured block size, or " 4346 "migrate data to a properly configured\n\tpool.\n")); 4347 break; 4348 4349 default: 4350 /* 4351 * The remaining errors can't actually be generated, yet. 4352 */ 4353 assert(reason == ZPOOL_STATUS_OK); 4354 } 4355 4356 if (msgid != NULL) 4357 (void) printf(gettext(" see: http://illumos.org/msg/%s\n"), 4358 msgid); 4359 4360 if (config != NULL) { 4361 int namewidth; 4362 uint64_t nerr; 4363 nvlist_t **spares, **l2cache; 4364 uint_t nspares, nl2cache; 4365 pool_scan_stat_t *ps = NULL; 4366 4367 (void) nvlist_lookup_uint64_array(nvroot, 4368 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c); 4369 print_scan_status(ps); 4370 4371 namewidth = max_width(zhp, nvroot, 0, 0); 4372 if (namewidth < 10) 4373 namewidth = 10; 4374 4375 (void) printf(gettext("config:\n\n")); 4376 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 4377 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 4378 print_status_config(zhp, zpool_get_name(zhp), nvroot, 4379 namewidth, 0, B_FALSE); 4380 4381 if (num_logs(nvroot) > 0) 4382 print_logs(zhp, nvroot, namewidth, B_TRUE); 4383 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 4384 &l2cache, &nl2cache) == 0) 4385 print_l2cache(zhp, l2cache, nl2cache, namewidth); 4386 4387 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 4388 &spares, &nspares) == 0) 4389 print_spares(zhp, spares, nspares, namewidth); 4390 4391 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 4392 &nerr) == 0) { 4393 nvlist_t *nverrlist = NULL; 4394 4395 /* 4396 * If the approximate error count is small, get a 4397 * precise count by fetching the entire log and 4398 * uniquifying the results. 4399 */ 4400 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 4401 zpool_get_errlog(zhp, &nverrlist) == 0) { 4402 nvpair_t *elem; 4403 4404 elem = NULL; 4405 nerr = 0; 4406 while ((elem = nvlist_next_nvpair(nverrlist, 4407 elem)) != NULL) { 4408 nerr++; 4409 } 4410 } 4411 nvlist_free(nverrlist); 4412 4413 (void) printf("\n"); 4414 4415 if (nerr == 0) 4416 (void) printf(gettext("errors: No known data " 4417 "errors\n")); 4418 else if (!cbp->cb_verbose) 4419 (void) printf(gettext("errors: %llu data " 4420 "errors, use '-v' for a list\n"), 4421 (u_longlong_t)nerr); 4422 else 4423 print_error_log(zhp); 4424 } 4425 4426 if (cbp->cb_dedup_stats) 4427 print_dedup_stats(config); 4428 } else { 4429 (void) printf(gettext("config: The configuration cannot be " 4430 "determined.\n")); 4431 } 4432 4433 return (0); 4434} 4435 4436/* 4437 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]] 4438 * 4439 * -v Display complete error logs 4440 * -x Display only pools with potential problems 4441 * -D Display dedup status (undocumented) 4442 * -T Display a timestamp in date(1) or Unix format 4443 * 4444 * Describes the health status of all pools or some subset. 4445 */ 4446int 4447zpool_do_status(int argc, char **argv) 4448{ 4449 int c; 4450 int ret; 4451 unsigned long interval = 0, count = 0; 4452 status_cbdata_t cb = { 0 }; 4453 4454 /* check options */ 4455 while ((c = getopt(argc, argv, "vxDT:")) != -1) { 4456 switch (c) { 4457 case 'v': 4458 cb.cb_verbose = B_TRUE; 4459 break; 4460 case 'x': 4461 cb.cb_explain = B_TRUE; 4462 break; 4463 case 'D': 4464 cb.cb_dedup_stats = B_TRUE; 4465 break; 4466 case 'T': 4467 get_timestamp_arg(*optarg); 4468 break; 4469 case '?': 4470 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4471 optopt); 4472 usage(B_FALSE); 4473 } 4474 } 4475 4476 argc -= optind; 4477 argv += optind; 4478 4479 get_interval_count(&argc, argv, &interval, &count); 4480 4481 if (argc == 0) 4482 cb.cb_allpools = B_TRUE; 4483 4484 cb.cb_first = B_TRUE; 4485 4486 for (;;) { 4487 if (timestamp_fmt != NODATE) 4488 print_timestamp(timestamp_fmt); 4489 4490 ret = for_each_pool(argc, argv, B_TRUE, NULL, 4491 status_callback, &cb); 4492 4493 if (argc == 0 && cb.cb_count == 0) 4494 (void) printf(gettext("no pools available\n")); 4495 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 4496 (void) printf(gettext("all pools are healthy\n")); 4497 4498 if (ret != 0) 4499 return (ret); 4500 4501 if (interval == 0) 4502 break; 4503 4504 if (count != 0 && --count == 0) 4505 break; 4506 4507 (void) sleep(interval); 4508 } 4509 4510 return (0); 4511} 4512 4513typedef struct upgrade_cbdata { 4514 boolean_t cb_first; 4515 boolean_t cb_unavail; 4516 char cb_poolname[ZPOOL_MAXNAMELEN]; 4517 int cb_argc; 4518 uint64_t cb_version; 4519 char **cb_argv; 4520} upgrade_cbdata_t; 4521 4522#ifdef __FreeBSD__ 4523static int 4524is_root_pool(zpool_handle_t *zhp) 4525{ 4526 static struct statfs sfs; 4527 static char *poolname = NULL; 4528 static boolean_t stated = B_FALSE; 4529 char *slash; 4530 4531 if (!stated) { 4532 stated = B_TRUE; 4533 if (statfs("/", &sfs) == -1) { 4534 (void) fprintf(stderr, 4535 "Unable to stat root file system: %s.\n", 4536 strerror(errno)); 4537 return (0); 4538 } 4539 if (strcmp(sfs.f_fstypename, "zfs") != 0) 4540 return (0); 4541 poolname = sfs.f_mntfromname; 4542 if ((slash = strchr(poolname, '/')) != NULL) 4543 *slash = '\0'; 4544 } 4545 return (poolname != NULL && strcmp(poolname, zpool_get_name(zhp)) == 0); 4546} 4547 4548static void 4549root_pool_upgrade_check(zpool_handle_t *zhp, char *poolname, int size) 4550{ 4551 4552 if (poolname[0] == '\0' && is_root_pool(zhp)) 4553 (void) strlcpy(poolname, zpool_get_name(zhp), size); 4554} 4555#endif /* FreeBSD */ 4556 4557static int 4558upgrade_version(zpool_handle_t *zhp, uint64_t version) 4559{ 4560 int ret; 4561 nvlist_t *config; 4562 uint64_t oldversion; 4563 4564 config = zpool_get_config(zhp, NULL); 4565 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4566 &oldversion) == 0); 4567 4568 assert(SPA_VERSION_IS_SUPPORTED(oldversion)); 4569 assert(oldversion < version); 4570 4571 ret = zpool_upgrade(zhp, version); 4572 if (ret != 0) 4573 return (ret); 4574 4575 if (version >= SPA_VERSION_FEATURES) { 4576 (void) printf(gettext("Successfully upgraded " 4577 "'%s' from version %llu to feature flags.\n"), 4578 zpool_get_name(zhp), oldversion); 4579 } else { 4580 (void) printf(gettext("Successfully upgraded " 4581 "'%s' from version %llu to version %llu.\n"), 4582 zpool_get_name(zhp), oldversion, version); 4583 } 4584 4585 return (0); 4586} 4587 4588static int 4589upgrade_enable_all(zpool_handle_t *zhp, int *countp) 4590{ 4591 int i, ret, count; 4592 boolean_t firstff = B_TRUE; 4593 nvlist_t *enabled = zpool_get_features(zhp); 4594 4595 count = 0; 4596 for (i = 0; i < SPA_FEATURES; i++) { 4597 const char *fname = spa_feature_table[i].fi_uname; 4598 const char *fguid = spa_feature_table[i].fi_guid; 4599 if (!nvlist_exists(enabled, fguid)) { 4600 char *propname; 4601 verify(-1 != asprintf(&propname, "feature@%s", fname)); 4602 ret = zpool_set_prop(zhp, propname, 4603 ZFS_FEATURE_ENABLED); 4604 if (ret != 0) { 4605 free(propname); 4606 return (ret); 4607 } 4608 count++; 4609 4610 if (firstff) { 4611 (void) printf(gettext("Enabled the " 4612 "following features on '%s':\n"), 4613 zpool_get_name(zhp)); 4614 firstff = B_FALSE; 4615 } 4616 (void) printf(gettext(" %s\n"), fname); 4617 free(propname); 4618 } 4619 } 4620 4621 if (countp != NULL) 4622 *countp = count; 4623 return (0); 4624} 4625 4626static int 4627upgrade_cb(zpool_handle_t *zhp, void *arg) 4628{ 4629 upgrade_cbdata_t *cbp = arg; 4630 nvlist_t *config; 4631 uint64_t version; 4632 boolean_t printnl = B_FALSE; 4633 int ret; 4634 4635 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 4636 (void) fprintf(stderr, gettext("cannot upgrade '%s': pool is " 4637 "currently unavailable.\n\n"), zpool_get_name(zhp)); 4638 cbp->cb_unavail = B_TRUE; 4639 /* Allow iteration to continue. */ 4640 return (0); 4641 } 4642 4643 config = zpool_get_config(zhp, NULL); 4644 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4645 &version) == 0); 4646 4647 assert(SPA_VERSION_IS_SUPPORTED(version)); 4648 4649 if (version < cbp->cb_version) { 4650 cbp->cb_first = B_FALSE; 4651 ret = upgrade_version(zhp, cbp->cb_version); 4652 if (ret != 0) 4653 return (ret); 4654#ifdef __FreeBSD__ 4655 root_pool_upgrade_check(zhp, cbp->cb_poolname, 4656 sizeof(cbp->cb_poolname)); 4657#endif /* __FreeBSD__ */ 4658 printnl = B_TRUE; 4659 4660#ifdef illumos 4661 /* 4662 * If they did "zpool upgrade -a", then we could 4663 * be doing ioctls to different pools. We need 4664 * to log this history once to each pool, and bypass 4665 * the normal history logging that happens in main(). 4666 */ 4667 (void) zpool_log_history(g_zfs, history_str); 4668 log_history = B_FALSE; 4669#endif 4670 } 4671 4672 if (cbp->cb_version >= SPA_VERSION_FEATURES) { 4673 int count; 4674 ret = upgrade_enable_all(zhp, &count); 4675 if (ret != 0) 4676 return (ret); 4677 4678 if (count > 0) { 4679 cbp->cb_first = B_FALSE; 4680 printnl = B_TRUE; 4681#ifdef __FreeBSD__ 4682 root_pool_upgrade_check(zhp, cbp->cb_poolname, 4683 sizeof(cbp->cb_poolname)); 4684#endif /* __FreeBSD__ */ 4685 /* 4686 * If they did "zpool upgrade -a", then we could 4687 * be doing ioctls to different pools. We need 4688 * to log this history once to each pool, and bypass 4689 * the normal history logging that happens in main(). 4690 */ 4691 (void) zpool_log_history(g_zfs, history_str); 4692 log_history = B_FALSE; 4693 } 4694 } 4695 4696 if (printnl) { 4697 (void) printf(gettext("\n")); 4698 } 4699 4700 return (0); 4701} 4702 4703static int 4704upgrade_list_unavail(zpool_handle_t *zhp, void *arg) 4705{ 4706 upgrade_cbdata_t *cbp = arg; 4707 4708 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 4709 if (cbp->cb_first) { 4710 (void) fprintf(stderr, gettext("The following pools " 4711 "are unavailable and cannot be upgraded as this " 4712 "time.\n\n")); 4713 (void) fprintf(stderr, gettext("POOL\n")); 4714 (void) fprintf(stderr, gettext("------------\n")); 4715 cbp->cb_first = B_FALSE; 4716 } 4717 (void) printf(gettext("%s\n"), zpool_get_name(zhp)); 4718 cbp->cb_unavail = B_TRUE; 4719 } 4720 return (0); 4721} 4722 4723static int 4724upgrade_list_older_cb(zpool_handle_t *zhp, void *arg) 4725{ 4726 upgrade_cbdata_t *cbp = arg; 4727 nvlist_t *config; 4728 uint64_t version; 4729 4730 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 4731 /* 4732 * This will have been reported by upgrade_list_unavail so 4733 * just allow iteration to continue. 4734 */ 4735 cbp->cb_unavail = B_TRUE; 4736 return (0); 4737 } 4738 4739 config = zpool_get_config(zhp, NULL); 4740 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4741 &version) == 0); 4742 4743 assert(SPA_VERSION_IS_SUPPORTED(version)); 4744 4745 if (version < SPA_VERSION_FEATURES) { 4746 if (cbp->cb_first) { 4747 (void) printf(gettext("The following pools are " 4748 "formatted with legacy version numbers and can\n" 4749 "be upgraded to use feature flags. After " 4750 "being upgraded, these pools\nwill no " 4751 "longer be accessible by software that does not " 4752 "support feature\nflags.\n\n")); 4753 (void) printf(gettext("VER POOL\n")); 4754 (void) printf(gettext("--- ------------\n")); 4755 cbp->cb_first = B_FALSE; 4756 } 4757 4758 (void) printf("%2llu %s\n", (u_longlong_t)version, 4759 zpool_get_name(zhp)); 4760 } 4761 4762 return (0); 4763} 4764 4765static int 4766upgrade_list_disabled_cb(zpool_handle_t *zhp, void *arg) 4767{ 4768 upgrade_cbdata_t *cbp = arg; 4769 nvlist_t *config; 4770 uint64_t version; 4771 4772 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 4773 /* 4774 * This will have been reported by upgrade_list_unavail so 4775 * just allow iteration to continue. 4776 */ 4777 cbp->cb_unavail = B_TRUE; 4778 return (0); 4779 } 4780 4781 config = zpool_get_config(zhp, NULL); 4782 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4783 &version) == 0); 4784 4785 if (version >= SPA_VERSION_FEATURES) { 4786 int i; 4787 boolean_t poolfirst = B_TRUE; 4788 nvlist_t *enabled = zpool_get_features(zhp); 4789 4790 for (i = 0; i < SPA_FEATURES; i++) { 4791 const char *fguid = spa_feature_table[i].fi_guid; 4792 const char *fname = spa_feature_table[i].fi_uname; 4793 if (!nvlist_exists(enabled, fguid)) { 4794 if (cbp->cb_first) { 4795 (void) printf(gettext("\nSome " 4796 "supported features are not " 4797 "enabled on the following pools. " 4798 "Once a\nfeature is enabled the " 4799 "pool may become incompatible with " 4800 "software\nthat does not support " 4801 "the feature. See " 4802 "zpool-features(7) for " 4803 "details.\n\n")); 4804 (void) printf(gettext("POOL " 4805 "FEATURE\n")); 4806 (void) printf(gettext("------" 4807 "---------\n")); 4808 cbp->cb_first = B_FALSE; 4809 } 4810 4811 if (poolfirst) { 4812 (void) printf(gettext("%s\n"), 4813 zpool_get_name(zhp)); 4814 poolfirst = B_FALSE; 4815 } 4816 4817 (void) printf(gettext(" %s\n"), fname); 4818 } 4819 } 4820 } 4821 4822 return (0); 4823} 4824 4825/* ARGSUSED */ 4826static int 4827upgrade_one(zpool_handle_t *zhp, void *data) 4828{ 4829 boolean_t printnl = B_FALSE; 4830 upgrade_cbdata_t *cbp = data; 4831 uint64_t cur_version; 4832 int ret; 4833 4834 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 4835 (void) fprintf(stderr, gettext("cannot upgrade '%s': pool is " 4836 "is currently unavailable.\n\n"), zpool_get_name(zhp)); 4837 cbp->cb_unavail = B_TRUE; 4838 return (1); 4839 } 4840 4841 if (strcmp("log", zpool_get_name(zhp)) == 0) { 4842 (void) printf(gettext("'log' is now a reserved word\n" 4843 "Pool 'log' must be renamed using export and import" 4844 " to upgrade.\n\n")); 4845 return (1); 4846 } 4847 4848 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 4849 if (cur_version > cbp->cb_version) { 4850 (void) printf(gettext("Pool '%s' is already formatted " 4851 "using more current version '%llu'.\n\n"), 4852 zpool_get_name(zhp), cur_version); 4853 return (0); 4854 } 4855 4856 if (cbp->cb_version != SPA_VERSION && cur_version == cbp->cb_version) { 4857 (void) printf(gettext("Pool '%s' is already formatted " 4858 "using version %llu.\n\n"), zpool_get_name(zhp), 4859 cbp->cb_version); 4860 return (0); 4861 } 4862 4863 if (cur_version != cbp->cb_version) { 4864 printnl = B_TRUE; 4865 ret = upgrade_version(zhp, cbp->cb_version); 4866 if (ret != 0) 4867 return (ret); 4868#ifdef __FreeBSD__ 4869 root_pool_upgrade_check(zhp, cbp->cb_poolname, 4870 sizeof(cbp->cb_poolname)); 4871#endif /* __FreeBSD__ */ 4872 } 4873 4874 if (cbp->cb_version >= SPA_VERSION_FEATURES) { 4875 int count = 0; 4876 ret = upgrade_enable_all(zhp, &count); 4877 if (ret != 0) 4878 return (ret); 4879 4880 if (count != 0) { 4881 printnl = B_TRUE; 4882#ifdef __FreeBSD__ 4883 root_pool_upgrade_check(zhp, cbp->cb_poolname, 4884 sizeof(cbp->cb_poolname)); 4885#endif /* __FreeBSD __*/ 4886 } else if (cur_version == SPA_VERSION) { 4887 (void) printf(gettext("Pool '%s' already has all " 4888 "supported features enabled.\n\n"), 4889 zpool_get_name(zhp)); 4890 } 4891 } 4892 4893 if (printnl) { 4894 (void) printf(gettext("\n")); 4895 } 4896 4897 return (0); 4898} 4899 4900/* 4901 * zpool upgrade 4902 * zpool upgrade -v 4903 * zpool upgrade [-V version] <-a | pool ...> 4904 * 4905 * With no arguments, display downrev'd ZFS pool available for upgrade. 4906 * Individual pools can be upgraded by specifying the pool, and '-a' will 4907 * upgrade all pools. 4908 */ 4909int 4910zpool_do_upgrade(int argc, char **argv) 4911{ 4912 int c; 4913 upgrade_cbdata_t cb = { 0 }; 4914 int ret = 0; 4915 boolean_t showversions = B_FALSE; 4916 boolean_t upgradeall = B_FALSE; 4917 char *end; 4918 4919 4920 /* check options */ 4921 while ((c = getopt(argc, argv, ":avV:")) != -1) { 4922 switch (c) { 4923 case 'a': 4924 upgradeall = B_TRUE; 4925 break; 4926 case 'v': 4927 showversions = B_TRUE; 4928 break; 4929 case 'V': 4930 cb.cb_version = strtoll(optarg, &end, 10); 4931 if (*end != '\0' || 4932 !SPA_VERSION_IS_SUPPORTED(cb.cb_version)) { 4933 (void) fprintf(stderr, 4934 gettext("invalid version '%s'\n"), optarg); 4935 usage(B_FALSE); 4936 } 4937 break; 4938 case ':': 4939 (void) fprintf(stderr, gettext("missing argument for " 4940 "'%c' option\n"), optopt); 4941 usage(B_FALSE); 4942 break; 4943 case '?': 4944 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4945 optopt); 4946 usage(B_FALSE); 4947 } 4948 } 4949 4950 cb.cb_argc = argc; 4951 cb.cb_argv = argv; 4952 argc -= optind; 4953 argv += optind; 4954 4955 if (cb.cb_version == 0) { 4956 cb.cb_version = SPA_VERSION; 4957 } else if (!upgradeall && argc == 0) { 4958 (void) fprintf(stderr, gettext("-V option is " 4959 "incompatible with other arguments\n")); 4960 usage(B_FALSE); 4961 } 4962 4963 if (showversions) { 4964 if (upgradeall || argc != 0) { 4965 (void) fprintf(stderr, gettext("-v option is " 4966 "incompatible with other arguments\n")); 4967 usage(B_FALSE); 4968 } 4969 } else if (upgradeall) { 4970 if (argc != 0) { 4971 (void) fprintf(stderr, gettext("-a option should not " 4972 "be used along with a pool name\n")); 4973 usage(B_FALSE); 4974 } 4975 } 4976 4977 (void) printf(gettext("This system supports ZFS pool feature " 4978 "flags.\n\n")); 4979 if (showversions) { 4980 int i; 4981 4982 (void) printf(gettext("The following features are " 4983 "supported:\n\n")); 4984 (void) printf(gettext("FEAT DESCRIPTION\n")); 4985 (void) printf("----------------------------------------------" 4986 "---------------\n"); 4987 for (i = 0; i < SPA_FEATURES; i++) { 4988 zfeature_info_t *fi = &spa_feature_table[i]; 4989 const char *ro = 4990 (fi->fi_flags & ZFEATURE_FLAG_READONLY_COMPAT) ? 4991 " (read-only compatible)" : ""; 4992 4993 (void) printf("%-37s%s\n", fi->fi_uname, ro); 4994 (void) printf(" %s\n", fi->fi_desc); 4995 } 4996 (void) printf("\n"); 4997 4998 (void) printf(gettext("The following legacy versions are also " 4999 "supported:\n\n")); 5000 (void) printf(gettext("VER DESCRIPTION\n")); 5001 (void) printf("--- -----------------------------------------" 5002 "---------------\n"); 5003 (void) printf(gettext(" 1 Initial ZFS version\n")); 5004 (void) printf(gettext(" 2 Ditto blocks " 5005 "(replicated metadata)\n")); 5006 (void) printf(gettext(" 3 Hot spares and double parity " 5007 "RAID-Z\n")); 5008 (void) printf(gettext(" 4 zpool history\n")); 5009 (void) printf(gettext(" 5 Compression using the gzip " 5010 "algorithm\n")); 5011 (void) printf(gettext(" 6 bootfs pool property\n")); 5012 (void) printf(gettext(" 7 Separate intent log devices\n")); 5013 (void) printf(gettext(" 8 Delegated administration\n")); 5014 (void) printf(gettext(" 9 refquota and refreservation " 5015 "properties\n")); 5016 (void) printf(gettext(" 10 Cache devices\n")); 5017 (void) printf(gettext(" 11 Improved scrub performance\n")); 5018 (void) printf(gettext(" 12 Snapshot properties\n")); 5019 (void) printf(gettext(" 13 snapused property\n")); 5020 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 5021 (void) printf(gettext(" 15 user/group space accounting\n")); 5022 (void) printf(gettext(" 16 stmf property support\n")); 5023 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 5024 (void) printf(gettext(" 18 Snapshot user holds\n")); 5025 (void) printf(gettext(" 19 Log device removal\n")); 5026 (void) printf(gettext(" 20 Compression using zle " 5027 "(zero-length encoding)\n")); 5028 (void) printf(gettext(" 21 Deduplication\n")); 5029 (void) printf(gettext(" 22 Received properties\n")); 5030 (void) printf(gettext(" 23 Slim ZIL\n")); 5031 (void) printf(gettext(" 24 System attributes\n")); 5032 (void) printf(gettext(" 25 Improved scrub stats\n")); 5033 (void) printf(gettext(" 26 Improved snapshot deletion " 5034 "performance\n")); 5035 (void) printf(gettext(" 27 Improved snapshot creation " 5036 "performance\n")); 5037 (void) printf(gettext(" 28 Multiple vdev replacements\n")); 5038 (void) printf(gettext("\nFor more information on a particular " 5039 "version, including supported releases,\n")); 5040 (void) printf(gettext("see the ZFS Administration Guide.\n\n")); 5041 } else if (argc == 0 && upgradeall) { 5042 cb.cb_first = B_TRUE; 5043 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 5044 if (ret == 0 && cb.cb_first) { 5045 if (cb.cb_version == SPA_VERSION) { 5046 (void) printf(gettext("All %spools are already " 5047 "formatted using feature flags.\n\n"), 5048 cb.cb_unavail ? gettext("available ") : ""); 5049 (void) printf(gettext("Every %sfeature flags " 5050 "pool already has all supported features " 5051 "enabled.\n"), 5052 cb.cb_unavail ? gettext("available ") : ""); 5053 } else { 5054 (void) printf(gettext("All pools are already " 5055 "formatted with version %llu or higher.\n"), 5056 cb.cb_version); 5057 } 5058 } 5059 } else if (argc == 0) { 5060 cb.cb_first = B_TRUE; 5061 ret = zpool_iter(g_zfs, upgrade_list_unavail, &cb); 5062 assert(ret == 0); 5063 5064 if (!cb.cb_first) { 5065 (void) fprintf(stderr, "\n"); 5066 } 5067 5068 cb.cb_first = B_TRUE; 5069 ret = zpool_iter(g_zfs, upgrade_list_older_cb, &cb); 5070 assert(ret == 0); 5071 5072 if (cb.cb_first) { 5073 (void) printf(gettext("All %spools are formatted using " 5074 "feature flags.\n\n"), cb.cb_unavail ? 5075 gettext("available ") : ""); 5076 } else { 5077 (void) printf(gettext("\nUse 'zpool upgrade -v' " 5078 "for a list of available legacy versions.\n")); 5079 } 5080 5081 cb.cb_first = B_TRUE; 5082 ret = zpool_iter(g_zfs, upgrade_list_disabled_cb, &cb); 5083 assert(ret == 0); 5084 5085 if (cb.cb_first) { 5086 (void) printf(gettext("Every %sfeature flags pool has " 5087 "all supported features enabled.\n"), 5088 cb.cb_unavail ? gettext("available ") : ""); 5089 } else { 5090 (void) printf(gettext("\n")); 5091 } 5092 } else { 5093 ret = for_each_pool(argc, argv, B_TRUE, NULL, 5094 upgrade_one, &cb); 5095 } 5096 5097 if (cb.cb_poolname[0] != '\0') { 5098 (void) printf( 5099 "If you boot from pool '%s', don't forget to update boot code.\n" 5100 "Assuming you use GPT partitioning and da0 is your boot disk\n" 5101 "the following command will do it:\n" 5102 "\n" 5103 "\tgpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 da0\n\n", 5104 cb.cb_poolname); 5105 } 5106 5107 return (ret); 5108} 5109 5110typedef struct hist_cbdata { 5111 boolean_t first; 5112 boolean_t longfmt; 5113 boolean_t internal; 5114} hist_cbdata_t; 5115 5116/* 5117 * Print out the command history for a specific pool. 5118 */ 5119static int 5120get_history_one(zpool_handle_t *zhp, void *data) 5121{ 5122 nvlist_t *nvhis; 5123 nvlist_t **records; 5124 uint_t numrecords; 5125 int ret, i; 5126 hist_cbdata_t *cb = (hist_cbdata_t *)data; 5127 5128 cb->first = B_FALSE; 5129 5130 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 5131 5132 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 5133 return (ret); 5134 5135 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 5136 &records, &numrecords) == 0); 5137 for (i = 0; i < numrecords; i++) { 5138 nvlist_t *rec = records[i]; 5139 char tbuf[30] = ""; 5140 5141 if (nvlist_exists(rec, ZPOOL_HIST_TIME)) { 5142 time_t tsec; 5143 struct tm t; 5144 5145 tsec = fnvlist_lookup_uint64(records[i], 5146 ZPOOL_HIST_TIME); 5147 (void) localtime_r(&tsec, &t); 5148 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 5149 } 5150 5151 if (nvlist_exists(rec, ZPOOL_HIST_CMD)) { 5152 (void) printf("%s %s", tbuf, 5153 fnvlist_lookup_string(rec, ZPOOL_HIST_CMD)); 5154 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_EVENT)) { 5155 int ievent = 5156 fnvlist_lookup_uint64(rec, ZPOOL_HIST_INT_EVENT); 5157 if (!cb->internal) 5158 continue; 5159 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) { 5160 (void) printf("%s unrecognized record:\n", 5161 tbuf); 5162 dump_nvlist(rec, 4); 5163 continue; 5164 } 5165 (void) printf("%s [internal %s txg:%lld] %s", tbuf, 5166 zfs_history_event_names[ievent], 5167 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG), 5168 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_STR)); 5169 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_NAME)) { 5170 if (!cb->internal) 5171 continue; 5172 (void) printf("%s [txg:%lld] %s", tbuf, 5173 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG), 5174 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_NAME)); 5175 if (nvlist_exists(rec, ZPOOL_HIST_DSNAME)) { 5176 (void) printf(" %s (%llu)", 5177 fnvlist_lookup_string(rec, 5178 ZPOOL_HIST_DSNAME), 5179 fnvlist_lookup_uint64(rec, 5180 ZPOOL_HIST_DSID)); 5181 } 5182 (void) printf(" %s", fnvlist_lookup_string(rec, 5183 ZPOOL_HIST_INT_STR)); 5184 } else if (nvlist_exists(rec, ZPOOL_HIST_IOCTL)) { 5185 if (!cb->internal) 5186 continue; 5187 (void) printf("%s ioctl %s\n", tbuf, 5188 fnvlist_lookup_string(rec, ZPOOL_HIST_IOCTL)); 5189 if (nvlist_exists(rec, ZPOOL_HIST_INPUT_NVL)) { 5190 (void) printf(" input:\n"); 5191 dump_nvlist(fnvlist_lookup_nvlist(rec, 5192 ZPOOL_HIST_INPUT_NVL), 8); 5193 } 5194 if (nvlist_exists(rec, ZPOOL_HIST_OUTPUT_NVL)) { 5195 (void) printf(" output:\n"); 5196 dump_nvlist(fnvlist_lookup_nvlist(rec, 5197 ZPOOL_HIST_OUTPUT_NVL), 8); 5198 } 5199 } else { 5200 if (!cb->internal) 5201 continue; 5202 (void) printf("%s unrecognized record:\n", tbuf); 5203 dump_nvlist(rec, 4); 5204 } 5205 5206 if (!cb->longfmt) { 5207 (void) printf("\n"); 5208 continue; 5209 } 5210 (void) printf(" ["); 5211 if (nvlist_exists(rec, ZPOOL_HIST_WHO)) { 5212 uid_t who = fnvlist_lookup_uint64(rec, ZPOOL_HIST_WHO); 5213 struct passwd *pwd = getpwuid(who); 5214 (void) printf("user %d ", (int)who); 5215 if (pwd != NULL) 5216 (void) printf("(%s) ", pwd->pw_name); 5217 } 5218 if (nvlist_exists(rec, ZPOOL_HIST_HOST)) { 5219 (void) printf("on %s", 5220 fnvlist_lookup_string(rec, ZPOOL_HIST_HOST)); 5221 } 5222 if (nvlist_exists(rec, ZPOOL_HIST_ZONE)) { 5223 (void) printf(":%s", 5224 fnvlist_lookup_string(rec, ZPOOL_HIST_ZONE)); 5225 } 5226 (void) printf("]"); 5227 (void) printf("\n"); 5228 } 5229 (void) printf("\n"); 5230 nvlist_free(nvhis); 5231 5232 return (ret); 5233} 5234 5235/* 5236 * zpool history <pool> 5237 * 5238 * Displays the history of commands that modified pools. 5239 */ 5240int 5241zpool_do_history(int argc, char **argv) 5242{ 5243 hist_cbdata_t cbdata = { 0 }; 5244 int ret; 5245 int c; 5246 5247 cbdata.first = B_TRUE; 5248 /* check options */ 5249 while ((c = getopt(argc, argv, "li")) != -1) { 5250 switch (c) { 5251 case 'l': 5252 cbdata.longfmt = B_TRUE; 5253 break; 5254 case 'i': 5255 cbdata.internal = B_TRUE; 5256 break; 5257 case '?': 5258 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5259 optopt); 5260 usage(B_FALSE); 5261 } 5262 } 5263 argc -= optind; 5264 argv += optind; 5265 5266 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 5267 &cbdata); 5268 5269 if (argc == 0 && cbdata.first == B_TRUE) { 5270 (void) printf(gettext("no pools available\n")); 5271 return (0); 5272 } 5273 5274 return (ret); 5275} 5276 5277static int 5278get_callback(zpool_handle_t *zhp, void *data) 5279{ 5280 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 5281 char value[MAXNAMELEN]; 5282 zprop_source_t srctype; 5283 zprop_list_t *pl; 5284 5285 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 5286 5287 /* 5288 * Skip the special fake placeholder. This will also skip 5289 * over the name property when 'all' is specified. 5290 */ 5291 if (pl->pl_prop == ZPOOL_PROP_NAME && 5292 pl == cbp->cb_proplist) 5293 continue; 5294 5295 if (pl->pl_prop == ZPROP_INVAL && 5296 (zpool_prop_feature(pl->pl_user_prop) || 5297 zpool_prop_unsupported(pl->pl_user_prop))) { 5298 srctype = ZPROP_SRC_LOCAL; 5299 5300 if (zpool_prop_get_feature(zhp, pl->pl_user_prop, 5301 value, sizeof (value)) == 0) { 5302 zprop_print_one_property(zpool_get_name(zhp), 5303 cbp, pl->pl_user_prop, value, srctype, 5304 NULL, NULL); 5305 } 5306 } else { 5307 if (zpool_get_prop(zhp, pl->pl_prop, value, 5308 sizeof (value), &srctype, cbp->cb_literal) != 0) 5309 continue; 5310 5311 zprop_print_one_property(zpool_get_name(zhp), cbp, 5312 zpool_prop_to_name(pl->pl_prop), value, srctype, 5313 NULL, NULL); 5314 } 5315 } 5316 return (0); 5317} 5318 5319/* 5320 * zpool get [-Hp] [-o "all" | field[,...]] <"all" | property[,...]> <pool> ... 5321 * 5322 * -H Scripted mode. Don't display headers, and separate properties 5323 * by a single tab. 5324 * -o List of columns to display. Defaults to 5325 * "name,property,value,source". 5326 * -p Diplay values in parsable (exact) format. 5327 * 5328 * Get properties of pools in the system. Output space statistics 5329 * for each one as well as other attributes. 5330 */ 5331int 5332zpool_do_get(int argc, char **argv) 5333{ 5334 zprop_get_cbdata_t cb = { 0 }; 5335 zprop_list_t fake_name = { 0 }; 5336 int ret; 5337 int c, i; 5338 char *value; 5339 5340 cb.cb_first = B_TRUE; 5341 5342 /* 5343 * Set up default columns and sources. 5344 */ 5345 cb.cb_sources = ZPROP_SRC_ALL; 5346 cb.cb_columns[0] = GET_COL_NAME; 5347 cb.cb_columns[1] = GET_COL_PROPERTY; 5348 cb.cb_columns[2] = GET_COL_VALUE; 5349 cb.cb_columns[3] = GET_COL_SOURCE; 5350 cb.cb_type = ZFS_TYPE_POOL; 5351 5352 /* check options */ 5353 while ((c = getopt(argc, argv, ":Hpo:")) != -1) { 5354 switch (c) { 5355 case 'p': 5356 cb.cb_literal = B_TRUE; 5357 break; 5358 case 'H': 5359 cb.cb_scripted = B_TRUE; 5360 break; 5361 case 'o': 5362 bzero(&cb.cb_columns, sizeof (cb.cb_columns)); 5363 i = 0; 5364 while (*optarg != '\0') { 5365 static char *col_subopts[] = 5366 { "name", "property", "value", "source", 5367 "all", NULL }; 5368 5369 if (i == ZFS_GET_NCOLS) { 5370 (void) fprintf(stderr, gettext("too " 5371 "many fields given to -o " 5372 "option\n")); 5373 usage(B_FALSE); 5374 } 5375 5376 switch (getsubopt(&optarg, col_subopts, 5377 &value)) { 5378 case 0: 5379 cb.cb_columns[i++] = GET_COL_NAME; 5380 break; 5381 case 1: 5382 cb.cb_columns[i++] = GET_COL_PROPERTY; 5383 break; 5384 case 2: 5385 cb.cb_columns[i++] = GET_COL_VALUE; 5386 break; 5387 case 3: 5388 cb.cb_columns[i++] = GET_COL_SOURCE; 5389 break; 5390 case 4: 5391 if (i > 0) { 5392 (void) fprintf(stderr, 5393 gettext("\"all\" conflicts " 5394 "with specific fields " 5395 "given to -o option\n")); 5396 usage(B_FALSE); 5397 } 5398 cb.cb_columns[0] = GET_COL_NAME; 5399 cb.cb_columns[1] = GET_COL_PROPERTY; 5400 cb.cb_columns[2] = GET_COL_VALUE; 5401 cb.cb_columns[3] = GET_COL_SOURCE; 5402 i = ZFS_GET_NCOLS; 5403 break; 5404 default: 5405 (void) fprintf(stderr, 5406 gettext("invalid column name " 5407 "'%s'\n"), value); 5408 usage(B_FALSE); 5409 } 5410 } 5411 break; 5412 case '?': 5413 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5414 optopt); 5415 usage(B_FALSE); 5416 } 5417 } 5418 5419 argc -= optind; 5420 argv += optind; 5421 5422 if (argc < 1) { 5423 (void) fprintf(stderr, gettext("missing property " 5424 "argument\n")); 5425 usage(B_FALSE); 5426 } 5427 5428 if (zprop_get_list(g_zfs, argv[0], &cb.cb_proplist, 5429 ZFS_TYPE_POOL) != 0) 5430 usage(B_FALSE); 5431 5432 argc--; 5433 argv++; 5434 5435 if (cb.cb_proplist != NULL) { 5436 fake_name.pl_prop = ZPOOL_PROP_NAME; 5437 fake_name.pl_width = strlen(gettext("NAME")); 5438 fake_name.pl_next = cb.cb_proplist; 5439 cb.cb_proplist = &fake_name; 5440 } 5441 5442 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 5443 get_callback, &cb); 5444 5445 if (cb.cb_proplist == &fake_name) 5446 zprop_free_list(fake_name.pl_next); 5447 else 5448 zprop_free_list(cb.cb_proplist); 5449 5450 return (ret); 5451} 5452 5453typedef struct set_cbdata { 5454 char *cb_propname; 5455 char *cb_value; 5456 boolean_t cb_any_successful; 5457} set_cbdata_t; 5458 5459int 5460set_callback(zpool_handle_t *zhp, void *data) 5461{ 5462 int error; 5463 set_cbdata_t *cb = (set_cbdata_t *)data; 5464 5465 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 5466 5467 if (!error) 5468 cb->cb_any_successful = B_TRUE; 5469 5470 return (error); 5471} 5472 5473int 5474zpool_do_set(int argc, char **argv) 5475{ 5476 set_cbdata_t cb = { 0 }; 5477 int error; 5478 5479 if (argc > 1 && argv[1][0] == '-') { 5480 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5481 argv[1][1]); 5482 usage(B_FALSE); 5483 } 5484 5485 if (argc < 2) { 5486 (void) fprintf(stderr, gettext("missing property=value " 5487 "argument\n")); 5488 usage(B_FALSE); 5489 } 5490 5491 if (argc < 3) { 5492 (void) fprintf(stderr, gettext("missing pool name\n")); 5493 usage(B_FALSE); 5494 } 5495 5496 if (argc > 3) { 5497 (void) fprintf(stderr, gettext("too many pool names\n")); 5498 usage(B_FALSE); 5499 } 5500 5501 cb.cb_propname = argv[1]; 5502 cb.cb_value = strchr(cb.cb_propname, '='); 5503 if (cb.cb_value == NULL) { 5504 (void) fprintf(stderr, gettext("missing value in " 5505 "property=value argument\n")); 5506 usage(B_FALSE); 5507 } 5508 5509 *(cb.cb_value) = '\0'; 5510 cb.cb_value++; 5511 5512 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 5513 set_callback, &cb); 5514 5515 return (error); 5516} 5517 5518static int 5519find_command_idx(char *command, int *idx) 5520{ 5521 int i; 5522 5523 for (i = 0; i < NCOMMAND; i++) { 5524 if (command_table[i].name == NULL) 5525 continue; 5526 5527 if (strcmp(command, command_table[i].name) == 0) { 5528 *idx = i; 5529 return (0); 5530 } 5531 } 5532 return (1); 5533} 5534 5535int 5536main(int argc, char **argv) 5537{ 5538 int ret; 5539 int i; 5540 char *cmdname; 5541 5542 (void) setlocale(LC_ALL, ""); 5543 (void) textdomain(TEXT_DOMAIN); 5544 5545 if ((g_zfs = libzfs_init()) == NULL) { 5546 (void) fprintf(stderr, gettext("internal error: failed to " 5547 "initialize ZFS library\n")); 5548 return (1); 5549 } 5550 5551 libzfs_print_on_error(g_zfs, B_TRUE); 5552 5553 opterr = 0; 5554 5555 /* 5556 * Make sure the user has specified some command. 5557 */ 5558 if (argc < 2) { 5559 (void) fprintf(stderr, gettext("missing command\n")); 5560 usage(B_FALSE); 5561 } 5562 5563 cmdname = argv[1]; 5564 5565 /* 5566 * Special case '-?' 5567 */ 5568 if (strcmp(cmdname, "-?") == 0) 5569 usage(B_TRUE); 5570 5571 zfs_save_arguments(argc, argv, history_str, sizeof (history_str)); 5572 5573 /* 5574 * Run the appropriate command. 5575 */ 5576 if (find_command_idx(cmdname, &i) == 0) { 5577 current_command = &command_table[i]; 5578 ret = command_table[i].func(argc - 1, argv + 1); 5579 } else if (strchr(cmdname, '=')) { 5580 verify(find_command_idx("set", &i) == 0); 5581 current_command = &command_table[i]; 5582 ret = command_table[i].func(argc, argv); 5583 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 5584 /* 5585 * 'freeze' is a vile debugging abomination, so we treat 5586 * it as such. 5587 */ 5588 zfs_cmd_t zc = { 0 }; 5589 (void) strlcpy(zc.zc_name, argv[2], sizeof (zc.zc_name)); 5590 return (!!zfs_ioctl(g_zfs, ZFS_IOC_POOL_FREEZE, &zc)); 5591 } else { 5592 (void) fprintf(stderr, gettext("unrecognized " 5593 "command '%s'\n"), cmdname); 5594 usage(B_FALSE); 5595 } 5596 5597 if (ret == 0 && log_history) 5598 (void) zpool_log_history(g_zfs, history_str); 5599 5600 libzfs_fini(g_zfs); 5601 5602 /* 5603 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 5604 * for the purposes of running ::findleaks. 5605 */ 5606 if (getenv("ZFS_ABORT") != NULL) { 5607 (void) printf("dumping core by request\n"); 5608 abort(); 5609 } 5610 5611 return (ret); 5612} 5613