zpool_main.c revision 264060
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) 2013 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 [-Hv] [-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 <\"all\" | property[,...]> " 262 "<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 break; 838 case 'O': 839 if ((propval = strchr(optarg, '=')) == NULL) { 840 (void) fprintf(stderr, gettext("missing " 841 "'=' for -O option\n")); 842 goto errout; 843 } 844 *propval = '\0'; 845 propval++; 846 847 /* 848 * Mountpoints are checked and then added later. 849 * Uniquely among properties, they can be specified 850 * more than once, to avoid conflict with -m. 851 */ 852 if (0 == strcmp(optarg, 853 zfs_prop_to_name(ZFS_PROP_MOUNTPOINT))) { 854 mountpoint = propval; 855 } else if (add_prop_list(optarg, propval, &fsprops, 856 B_FALSE)) { 857 goto errout; 858 } 859 break; 860 case ':': 861 (void) fprintf(stderr, gettext("missing argument for " 862 "'%c' option\n"), optopt); 863 goto badusage; 864 case '?': 865 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 866 optopt); 867 goto badusage; 868 } 869 } 870 871 argc -= optind; 872 argv += optind; 873 874 /* get pool name and check number of arguments */ 875 if (argc < 1) { 876 (void) fprintf(stderr, gettext("missing pool name argument\n")); 877 goto badusage; 878 } 879 if (argc < 2) { 880 (void) fprintf(stderr, gettext("missing vdev specification\n")); 881 goto badusage; 882 } 883 884 poolname = argv[0]; 885 886 /* 887 * As a special case, check for use of '/' in the name, and direct the 888 * user to use 'zfs create' instead. 889 */ 890 if (strchr(poolname, '/') != NULL) { 891 (void) fprintf(stderr, gettext("cannot create '%s': invalid " 892 "character '/' in pool name\n"), poolname); 893 (void) fprintf(stderr, gettext("use 'zfs create' to " 894 "create a dataset\n")); 895 goto errout; 896 } 897 898 /* pass off to get_vdev_spec for bulk processing */ 899 nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun, 900 argc - 1, argv + 1); 901 if (nvroot == NULL) 902 goto errout; 903 904 /* make_root_vdev() allows 0 toplevel children if there are spares */ 905 if (!zfs_allocatable_devs(nvroot)) { 906 (void) fprintf(stderr, gettext("invalid vdev " 907 "specification: at least one toplevel vdev must be " 908 "specified\n")); 909 goto errout; 910 } 911 912 if (altroot != NULL && altroot[0] != '/') { 913 (void) fprintf(stderr, gettext("invalid alternate root '%s': " 914 "must be an absolute path\n"), altroot); 915 goto errout; 916 } 917 918 /* 919 * Check the validity of the mountpoint and direct the user to use the 920 * '-m' mountpoint option if it looks like its in use. 921 * Ignore the checks if the '-f' option is given. 922 */ 923 if (!force && (mountpoint == NULL || 924 (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 && 925 strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0))) { 926 char buf[MAXPATHLEN]; 927 DIR *dirp; 928 929 if (mountpoint && mountpoint[0] != '/') { 930 (void) fprintf(stderr, gettext("invalid mountpoint " 931 "'%s': must be an absolute path, 'legacy', or " 932 "'none'\n"), mountpoint); 933 goto errout; 934 } 935 936 if (mountpoint == NULL) { 937 if (altroot != NULL) 938 (void) snprintf(buf, sizeof (buf), "%s/%s", 939 altroot, poolname); 940 else 941 (void) snprintf(buf, sizeof (buf), "/%s", 942 poolname); 943 } else { 944 if (altroot != NULL) 945 (void) snprintf(buf, sizeof (buf), "%s%s", 946 altroot, mountpoint); 947 else 948 (void) snprintf(buf, sizeof (buf), "%s", 949 mountpoint); 950 } 951 952 if ((dirp = opendir(buf)) == NULL && errno != ENOENT) { 953 (void) fprintf(stderr, gettext("mountpoint '%s' : " 954 "%s\n"), buf, strerror(errno)); 955 (void) fprintf(stderr, gettext("use '-m' " 956 "option to provide a different default\n")); 957 goto errout; 958 } else if (dirp) { 959 int count = 0; 960 961 while (count < 3 && readdir(dirp) != NULL) 962 count++; 963 (void) closedir(dirp); 964 965 if (count > 2) { 966 (void) fprintf(stderr, gettext("mountpoint " 967 "'%s' exists and is not empty\n"), buf); 968 (void) fprintf(stderr, gettext("use '-m' " 969 "option to provide a " 970 "different default\n")); 971 goto errout; 972 } 973 } 974 } 975 976 /* 977 * Now that the mountpoint's validity has been checked, ensure that 978 * the property is set appropriately prior to creating the pool. 979 */ 980 if (mountpoint != NULL) { 981 ret = add_prop_list(zfs_prop_to_name(ZFS_PROP_MOUNTPOINT), 982 mountpoint, &fsprops, B_FALSE); 983 if (ret != 0) 984 goto errout; 985 } 986 987 ret = 1; 988 if (dryrun) { 989 /* 990 * For a dry run invocation, print out a basic message and run 991 * through all the vdevs in the list and print out in an 992 * appropriate hierarchy. 993 */ 994 (void) printf(gettext("would create '%s' with the " 995 "following layout:\n\n"), poolname); 996 997 print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE); 998 if (num_logs(nvroot) > 0) 999 print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE); 1000 1001 ret = 0; 1002 } else { 1003 /* 1004 * Hand off to libzfs. 1005 */ 1006 if (enable_all_pool_feat) { 1007 spa_feature_t i; 1008 for (i = 0; i < SPA_FEATURES; i++) { 1009 char propname[MAXPATHLEN]; 1010 zfeature_info_t *feat = &spa_feature_table[i]; 1011 1012 (void) snprintf(propname, sizeof (propname), 1013 "feature@%s", feat->fi_uname); 1014 1015 /* 1016 * Skip feature if user specified it manually 1017 * on the command line. 1018 */ 1019 if (nvlist_exists(props, propname)) 1020 continue; 1021 1022 ret = add_prop_list(propname, 1023 ZFS_FEATURE_ENABLED, &props, B_TRUE); 1024 if (ret != 0) 1025 goto errout; 1026 } 1027 } 1028 1029 ret = 1; 1030 if (zpool_create(g_zfs, poolname, 1031 nvroot, props, fsprops) == 0) { 1032 zfs_handle_t *pool = zfs_open(g_zfs, poolname, 1033 ZFS_TYPE_FILESYSTEM); 1034 if (pool != NULL) { 1035 if (zfs_mount(pool, NULL, 0) == 0) 1036 ret = zfs_shareall(pool); 1037 zfs_close(pool); 1038 } 1039 } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) { 1040 (void) fprintf(stderr, gettext("pool name may have " 1041 "been omitted\n")); 1042 } 1043 } 1044 1045errout: 1046 nvlist_free(nvroot); 1047 nvlist_free(fsprops); 1048 nvlist_free(props); 1049 return (ret); 1050badusage: 1051 nvlist_free(fsprops); 1052 nvlist_free(props); 1053 usage(B_FALSE); 1054 return (2); 1055} 1056 1057/* 1058 * zpool destroy <pool> 1059 * 1060 * -f Forcefully unmount any datasets 1061 * 1062 * Destroy the given pool. Automatically unmounts any datasets in the pool. 1063 */ 1064int 1065zpool_do_destroy(int argc, char **argv) 1066{ 1067 boolean_t force = B_FALSE; 1068 int c; 1069 char *pool; 1070 zpool_handle_t *zhp; 1071 int ret; 1072 1073 /* check options */ 1074 while ((c = getopt(argc, argv, "f")) != -1) { 1075 switch (c) { 1076 case 'f': 1077 force = B_TRUE; 1078 break; 1079 case '?': 1080 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1081 optopt); 1082 usage(B_FALSE); 1083 } 1084 } 1085 1086 argc -= optind; 1087 argv += optind; 1088 1089 /* check arguments */ 1090 if (argc < 1) { 1091 (void) fprintf(stderr, gettext("missing pool argument\n")); 1092 usage(B_FALSE); 1093 } 1094 if (argc > 1) { 1095 (void) fprintf(stderr, gettext("too many arguments\n")); 1096 usage(B_FALSE); 1097 } 1098 1099 pool = argv[0]; 1100 1101 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 1102 /* 1103 * As a special case, check for use of '/' in the name, and 1104 * direct the user to use 'zfs destroy' instead. 1105 */ 1106 if (strchr(pool, '/') != NULL) 1107 (void) fprintf(stderr, gettext("use 'zfs destroy' to " 1108 "destroy a dataset\n")); 1109 return (1); 1110 } 1111 1112 if (zpool_disable_datasets(zhp, force) != 0) { 1113 (void) fprintf(stderr, gettext("could not destroy '%s': " 1114 "could not unmount datasets\n"), zpool_get_name(zhp)); 1115 return (1); 1116 } 1117 1118 /* The history must be logged as part of the export */ 1119 log_history = B_FALSE; 1120 1121 ret = (zpool_destroy(zhp, history_str) != 0); 1122 1123 zpool_close(zhp); 1124 1125 return (ret); 1126} 1127 1128/* 1129 * zpool export [-f] <pool> ... 1130 * 1131 * -f Forcefully unmount datasets 1132 * 1133 * Export the given pools. By default, the command will attempt to cleanly 1134 * unmount any active datasets within the pool. If the '-f' flag is specified, 1135 * then the datasets will be forcefully unmounted. 1136 */ 1137int 1138zpool_do_export(int argc, char **argv) 1139{ 1140 boolean_t force = B_FALSE; 1141 boolean_t hardforce = B_FALSE; 1142 int c; 1143 zpool_handle_t *zhp; 1144 int ret; 1145 int i; 1146 1147 /* check options */ 1148 while ((c = getopt(argc, argv, "fF")) != -1) { 1149 switch (c) { 1150 case 'f': 1151 force = B_TRUE; 1152 break; 1153 case 'F': 1154 hardforce = B_TRUE; 1155 break; 1156 case '?': 1157 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1158 optopt); 1159 usage(B_FALSE); 1160 } 1161 } 1162 1163 argc -= optind; 1164 argv += optind; 1165 1166 /* check arguments */ 1167 if (argc < 1) { 1168 (void) fprintf(stderr, gettext("missing pool argument\n")); 1169 usage(B_FALSE); 1170 } 1171 1172 ret = 0; 1173 for (i = 0; i < argc; i++) { 1174 if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) { 1175 ret = 1; 1176 continue; 1177 } 1178 1179 if (zpool_disable_datasets(zhp, force) != 0) { 1180 ret = 1; 1181 zpool_close(zhp); 1182 continue; 1183 } 1184 1185 /* The history must be logged as part of the export */ 1186 log_history = B_FALSE; 1187 1188 if (hardforce) { 1189 if (zpool_export_force(zhp, history_str) != 0) 1190 ret = 1; 1191 } else if (zpool_export(zhp, force, history_str) != 0) { 1192 ret = 1; 1193 } 1194 1195 zpool_close(zhp); 1196 } 1197 1198 return (ret); 1199} 1200 1201/* 1202 * Given a vdev configuration, determine the maximum width needed for the device 1203 * name column. 1204 */ 1205static int 1206max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max) 1207{ 1208 char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE); 1209 nvlist_t **child; 1210 uint_t c, children; 1211 int ret; 1212 1213 if (strlen(name) + depth > max) 1214 max = strlen(name) + depth; 1215 1216 free(name); 1217 1218 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1219 &child, &children) == 0) { 1220 for (c = 0; c < children; c++) 1221 if ((ret = max_width(zhp, child[c], depth + 2, 1222 max)) > max) 1223 max = ret; 1224 } 1225 1226 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1227 &child, &children) == 0) { 1228 for (c = 0; c < children; c++) 1229 if ((ret = max_width(zhp, child[c], depth + 2, 1230 max)) > max) 1231 max = ret; 1232 } 1233 1234 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1235 &child, &children) == 0) { 1236 for (c = 0; c < children; c++) 1237 if ((ret = max_width(zhp, child[c], depth + 2, 1238 max)) > max) 1239 max = ret; 1240 } 1241 1242 1243 return (max); 1244} 1245 1246typedef struct spare_cbdata { 1247 uint64_t cb_guid; 1248 zpool_handle_t *cb_zhp; 1249} spare_cbdata_t; 1250 1251static boolean_t 1252find_vdev(nvlist_t *nv, uint64_t search) 1253{ 1254 uint64_t guid; 1255 nvlist_t **child; 1256 uint_t c, children; 1257 1258 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 && 1259 search == guid) 1260 return (B_TRUE); 1261 1262 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1263 &child, &children) == 0) { 1264 for (c = 0; c < children; c++) 1265 if (find_vdev(child[c], search)) 1266 return (B_TRUE); 1267 } 1268 1269 return (B_FALSE); 1270} 1271 1272static int 1273find_spare(zpool_handle_t *zhp, void *data) 1274{ 1275 spare_cbdata_t *cbp = data; 1276 nvlist_t *config, *nvroot; 1277 1278 config = zpool_get_config(zhp, NULL); 1279 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1280 &nvroot) == 0); 1281 1282 if (find_vdev(nvroot, cbp->cb_guid)) { 1283 cbp->cb_zhp = zhp; 1284 return (1); 1285 } 1286 1287 zpool_close(zhp); 1288 return (0); 1289} 1290 1291/* 1292 * Print out configuration state as requested by status_callback. 1293 */ 1294void 1295print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 1296 int namewidth, int depth, boolean_t isspare) 1297{ 1298 nvlist_t **child; 1299 uint_t c, vsc, children; 1300 pool_scan_stat_t *ps = NULL; 1301 vdev_stat_t *vs; 1302 char rbuf[6], wbuf[6], cbuf[6]; 1303 char *vname; 1304 uint64_t notpresent; 1305 uint64_t ashift; 1306 spare_cbdata_t cb; 1307 const char *state; 1308 1309 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1310 &child, &children) != 0) 1311 children = 0; 1312 1313 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1314 (uint64_t **)&vs, &vsc) == 0); 1315 1316 state = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1317 if (isspare) { 1318 /* 1319 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for 1320 * online drives. 1321 */ 1322 if (vs->vs_aux == VDEV_AUX_SPARED) 1323 state = "INUSE"; 1324 else if (vs->vs_state == VDEV_STATE_HEALTHY) 1325 state = "AVAIL"; 1326 } 1327 1328 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth, 1329 name, state); 1330 1331 if (!isspare) { 1332 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf)); 1333 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf)); 1334 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf)); 1335 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf); 1336 } 1337 1338 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 1339 ¬present) == 0 || 1340 vs->vs_state <= VDEV_STATE_CANT_OPEN) { 1341 char *path; 1342 if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) 1343 (void) printf(" was %s", path); 1344 } else if (vs->vs_aux != 0) { 1345 (void) printf(" "); 1346 1347 switch (vs->vs_aux) { 1348 case VDEV_AUX_OPEN_FAILED: 1349 (void) printf(gettext("cannot open")); 1350 break; 1351 1352 case VDEV_AUX_BAD_GUID_SUM: 1353 (void) printf(gettext("missing device")); 1354 break; 1355 1356 case VDEV_AUX_NO_REPLICAS: 1357 (void) printf(gettext("insufficient replicas")); 1358 break; 1359 1360 case VDEV_AUX_VERSION_NEWER: 1361 (void) printf(gettext("newer version")); 1362 break; 1363 1364 case VDEV_AUX_UNSUP_FEAT: 1365 (void) printf(gettext("unsupported feature(s)")); 1366 break; 1367 1368 case VDEV_AUX_ASHIFT_TOO_BIG: 1369 (void) printf(gettext("unsupported minimum blocksize")); 1370 break; 1371 1372 case VDEV_AUX_SPARED: 1373 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1374 &cb.cb_guid) == 0); 1375 if (zpool_iter(g_zfs, find_spare, &cb) == 1) { 1376 if (strcmp(zpool_get_name(cb.cb_zhp), 1377 zpool_get_name(zhp)) == 0) 1378 (void) printf(gettext("currently in " 1379 "use")); 1380 else 1381 (void) printf(gettext("in use by " 1382 "pool '%s'"), 1383 zpool_get_name(cb.cb_zhp)); 1384 zpool_close(cb.cb_zhp); 1385 } else { 1386 (void) printf(gettext("currently in use")); 1387 } 1388 break; 1389 1390 case VDEV_AUX_ERR_EXCEEDED: 1391 (void) printf(gettext("too many errors")); 1392 break; 1393 1394 case VDEV_AUX_IO_FAILURE: 1395 (void) printf(gettext("experienced I/O failures")); 1396 break; 1397 1398 case VDEV_AUX_BAD_LOG: 1399 (void) printf(gettext("bad intent log")); 1400 break; 1401 1402 case VDEV_AUX_EXTERNAL: 1403 (void) printf(gettext("external device fault")); 1404 break; 1405 1406 case VDEV_AUX_SPLIT_POOL: 1407 (void) printf(gettext("split into new pool")); 1408 break; 1409 1410 default: 1411 (void) printf(gettext("corrupted data")); 1412 break; 1413 } 1414 } else if (children == 0 && !isspare && 1415 VDEV_STAT_VALID(vs_physical_ashift, vsc) && 1416 vs->vs_configured_ashift < vs->vs_physical_ashift) { 1417 (void) printf( 1418 gettext(" block size: %dB configured, %dB native"), 1419 1 << vs->vs_configured_ashift, 1 << vs->vs_physical_ashift); 1420 } 1421 1422 (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS, 1423 (uint64_t **)&ps, &c); 1424 1425 if (ps && ps->pss_state == DSS_SCANNING && 1426 vs->vs_scan_processed != 0 && children == 0) { 1427 (void) printf(gettext(" (%s)"), 1428 (ps->pss_func == POOL_SCAN_RESILVER) ? 1429 "resilvering" : "repairing"); 1430 } 1431 1432 (void) printf("\n"); 1433 1434 for (c = 0; c < children; c++) { 1435 uint64_t islog = B_FALSE, ishole = B_FALSE; 1436 1437 /* Don't print logs or holes here */ 1438 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1439 &islog); 1440 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 1441 &ishole); 1442 if (islog || ishole) 1443 continue; 1444 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1445 print_status_config(zhp, vname, child[c], 1446 namewidth, depth + 2, isspare); 1447 free(vname); 1448 } 1449} 1450 1451 1452/* 1453 * Print the configuration of an exported pool. Iterate over all vdevs in the 1454 * pool, printing out the name and status for each one. 1455 */ 1456void 1457print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth) 1458{ 1459 nvlist_t **child; 1460 uint_t c, children; 1461 vdev_stat_t *vs; 1462 char *type, *vname; 1463 1464 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 1465 if (strcmp(type, VDEV_TYPE_MISSING) == 0 || 1466 strcmp(type, VDEV_TYPE_HOLE) == 0) 1467 return; 1468 1469 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1470 (uint64_t **)&vs, &c) == 0); 1471 1472 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name); 1473 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux)); 1474 1475 if (vs->vs_aux != 0) { 1476 (void) printf(" "); 1477 1478 switch (vs->vs_aux) { 1479 case VDEV_AUX_OPEN_FAILED: 1480 (void) printf(gettext("cannot open")); 1481 break; 1482 1483 case VDEV_AUX_BAD_GUID_SUM: 1484 (void) printf(gettext("missing device")); 1485 break; 1486 1487 case VDEV_AUX_NO_REPLICAS: 1488 (void) printf(gettext("insufficient replicas")); 1489 break; 1490 1491 case VDEV_AUX_VERSION_NEWER: 1492 (void) printf(gettext("newer version")); 1493 break; 1494 1495 case VDEV_AUX_UNSUP_FEAT: 1496 (void) printf(gettext("unsupported feature(s)")); 1497 break; 1498 1499 case VDEV_AUX_ERR_EXCEEDED: 1500 (void) printf(gettext("too many errors")); 1501 break; 1502 1503 default: 1504 (void) printf(gettext("corrupted data")); 1505 break; 1506 } 1507 } 1508 (void) printf("\n"); 1509 1510 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1511 &child, &children) != 0) 1512 return; 1513 1514 for (c = 0; c < children; c++) { 1515 uint64_t is_log = B_FALSE; 1516 1517 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1518 &is_log); 1519 if (is_log) 1520 continue; 1521 1522 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE); 1523 print_import_config(vname, child[c], namewidth, depth + 2); 1524 free(vname); 1525 } 1526 1527 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1528 &child, &children) == 0) { 1529 (void) printf(gettext("\tcache\n")); 1530 for (c = 0; c < children; c++) { 1531 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1532 (void) printf("\t %s\n", vname); 1533 free(vname); 1534 } 1535 } 1536 1537 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1538 &child, &children) == 0) { 1539 (void) printf(gettext("\tspares\n")); 1540 for (c = 0; c < children; c++) { 1541 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1542 (void) printf("\t %s\n", vname); 1543 free(vname); 1544 } 1545 } 1546} 1547 1548/* 1549 * Print log vdevs. 1550 * Logs are recorded as top level vdevs in the main pool child array 1551 * but with "is_log" set to 1. We use either print_status_config() or 1552 * print_import_config() to print the top level logs then any log 1553 * children (eg mirrored slogs) are printed recursively - which 1554 * works because only the top level vdev is marked "is_log" 1555 */ 1556static void 1557print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose) 1558{ 1559 uint_t c, children; 1560 nvlist_t **child; 1561 1562 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child, 1563 &children) != 0) 1564 return; 1565 1566 (void) printf(gettext("\tlogs\n")); 1567 1568 for (c = 0; c < children; c++) { 1569 uint64_t is_log = B_FALSE; 1570 char *name; 1571 1572 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1573 &is_log); 1574 if (!is_log) 1575 continue; 1576 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1577 if (verbose) 1578 print_status_config(zhp, name, child[c], namewidth, 1579 2, B_FALSE); 1580 else 1581 print_import_config(name, child[c], namewidth, 2); 1582 free(name); 1583 } 1584} 1585 1586/* 1587 * Display the status for the given pool. 1588 */ 1589static void 1590show_import(nvlist_t *config) 1591{ 1592 uint64_t pool_state; 1593 vdev_stat_t *vs; 1594 char *name; 1595 uint64_t guid; 1596 char *msgid; 1597 nvlist_t *nvroot; 1598 int reason; 1599 const char *health; 1600 uint_t vsc; 1601 int namewidth; 1602 char *comment; 1603 1604 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1605 &name) == 0); 1606 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1607 &guid) == 0); 1608 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1609 &pool_state) == 0); 1610 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1611 &nvroot) == 0); 1612 1613 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 1614 (uint64_t **)&vs, &vsc) == 0); 1615 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1616 1617 reason = zpool_import_status(config, &msgid); 1618 1619 (void) printf(gettext(" pool: %s\n"), name); 1620 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid); 1621 (void) printf(gettext(" state: %s"), health); 1622 if (pool_state == POOL_STATE_DESTROYED) 1623 (void) printf(gettext(" (DESTROYED)")); 1624 (void) printf("\n"); 1625 1626 switch (reason) { 1627 case ZPOOL_STATUS_MISSING_DEV_R: 1628 case ZPOOL_STATUS_MISSING_DEV_NR: 1629 case ZPOOL_STATUS_BAD_GUID_SUM: 1630 (void) printf(gettext(" status: One or more devices are " 1631 "missing from the system.\n")); 1632 break; 1633 1634 case ZPOOL_STATUS_CORRUPT_LABEL_R: 1635 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 1636 (void) printf(gettext(" status: One or more devices contains " 1637 "corrupted data.\n")); 1638 break; 1639 1640 case ZPOOL_STATUS_CORRUPT_DATA: 1641 (void) printf( 1642 gettext(" status: The pool data is corrupted.\n")); 1643 break; 1644 1645 case ZPOOL_STATUS_OFFLINE_DEV: 1646 (void) printf(gettext(" status: One or more devices " 1647 "are offlined.\n")); 1648 break; 1649 1650 case ZPOOL_STATUS_CORRUPT_POOL: 1651 (void) printf(gettext(" status: The pool metadata is " 1652 "corrupted.\n")); 1653 break; 1654 1655 case ZPOOL_STATUS_VERSION_OLDER: 1656 (void) printf(gettext(" status: The pool is formatted using a " 1657 "legacy on-disk version.\n")); 1658 break; 1659 1660 case ZPOOL_STATUS_VERSION_NEWER: 1661 (void) printf(gettext(" status: The pool is formatted using an " 1662 "incompatible version.\n")); 1663 break; 1664 1665 case ZPOOL_STATUS_FEAT_DISABLED: 1666 (void) printf(gettext(" status: Some supported features are " 1667 "not enabled on the pool.\n")); 1668 break; 1669 1670 case ZPOOL_STATUS_UNSUP_FEAT_READ: 1671 (void) printf(gettext("status: The pool uses the following " 1672 "feature(s) not supported on this sytem:\n")); 1673 zpool_print_unsup_feat(config); 1674 break; 1675 1676 case ZPOOL_STATUS_UNSUP_FEAT_WRITE: 1677 (void) printf(gettext("status: The pool can only be accessed " 1678 "in read-only mode on this system. It\n\tcannot be " 1679 "accessed in read-write mode because it uses the " 1680 "following\n\tfeature(s) not supported on this system:\n")); 1681 zpool_print_unsup_feat(config); 1682 break; 1683 1684 case ZPOOL_STATUS_HOSTID_MISMATCH: 1685 (void) printf(gettext(" status: The pool was last accessed by " 1686 "another system.\n")); 1687 break; 1688 1689 case ZPOOL_STATUS_FAULTED_DEV_R: 1690 case ZPOOL_STATUS_FAULTED_DEV_NR: 1691 (void) printf(gettext(" status: One or more devices are " 1692 "faulted.\n")); 1693 break; 1694 1695 case ZPOOL_STATUS_BAD_LOG: 1696 (void) printf(gettext(" status: An intent log record cannot be " 1697 "read.\n")); 1698 break; 1699 1700 case ZPOOL_STATUS_RESILVERING: 1701 (void) printf(gettext(" status: One or more devices were being " 1702 "resilvered.\n")); 1703 break; 1704 1705 case ZPOOL_STATUS_NON_NATIVE_ASHIFT: 1706 (void) printf(gettext("status: One or more devices were " 1707 "configured to use a non-native block size.\n" 1708 "\tExpect reduced performance.\n")); 1709 break; 1710 1711 default: 1712 /* 1713 * No other status can be seen when importing pools. 1714 */ 1715 assert(reason == ZPOOL_STATUS_OK); 1716 } 1717 1718 /* 1719 * Print out an action according to the overall state of the pool. 1720 */ 1721 if (vs->vs_state == VDEV_STATE_HEALTHY) { 1722 if (reason == ZPOOL_STATUS_VERSION_OLDER || 1723 reason == ZPOOL_STATUS_FEAT_DISABLED) { 1724 (void) printf(gettext(" action: The pool can be " 1725 "imported using its name or numeric identifier, " 1726 "though\n\tsome features will not be available " 1727 "without an explicit 'zpool upgrade'.\n")); 1728 } else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) { 1729 (void) printf(gettext(" action: The pool can be " 1730 "imported using its name or numeric " 1731 "identifier and\n\tthe '-f' flag.\n")); 1732 } else { 1733 (void) printf(gettext(" action: The pool can be " 1734 "imported using its name or numeric " 1735 "identifier.\n")); 1736 } 1737 } else if (vs->vs_state == VDEV_STATE_DEGRADED) { 1738 (void) printf(gettext(" action: The pool can be imported " 1739 "despite missing or damaged devices. The\n\tfault " 1740 "tolerance of the pool may be compromised if imported.\n")); 1741 } else { 1742 switch (reason) { 1743 case ZPOOL_STATUS_VERSION_NEWER: 1744 (void) printf(gettext(" action: The pool cannot be " 1745 "imported. Access the pool on a system running " 1746 "newer\n\tsoftware, or recreate the pool from " 1747 "backup.\n")); 1748 break; 1749 case ZPOOL_STATUS_UNSUP_FEAT_READ: 1750 (void) printf(gettext("action: The pool cannot be " 1751 "imported. Access the pool on a system that " 1752 "supports\n\tthe required feature(s), or recreate " 1753 "the pool from backup.\n")); 1754 break; 1755 case ZPOOL_STATUS_UNSUP_FEAT_WRITE: 1756 (void) printf(gettext("action: The pool cannot be " 1757 "imported in read-write mode. Import the pool " 1758 "with\n" 1759 "\t\"-o readonly=on\", access the pool on a system " 1760 "that supports the\n\trequired feature(s), or " 1761 "recreate the pool from backup.\n")); 1762 break; 1763 case ZPOOL_STATUS_MISSING_DEV_R: 1764 case ZPOOL_STATUS_MISSING_DEV_NR: 1765 case ZPOOL_STATUS_BAD_GUID_SUM: 1766 (void) printf(gettext(" action: The pool cannot be " 1767 "imported. Attach the missing\n\tdevices and try " 1768 "again.\n")); 1769 break; 1770 default: 1771 (void) printf(gettext(" action: The pool cannot be " 1772 "imported due to damaged devices or data.\n")); 1773 } 1774 } 1775 1776 /* Print the comment attached to the pool. */ 1777 if (nvlist_lookup_string(config, ZPOOL_CONFIG_COMMENT, &comment) == 0) 1778 (void) printf(gettext("comment: %s\n"), comment); 1779 1780 /* 1781 * If the state is "closed" or "can't open", and the aux state 1782 * is "corrupt data": 1783 */ 1784 if (((vs->vs_state == VDEV_STATE_CLOSED) || 1785 (vs->vs_state == VDEV_STATE_CANT_OPEN)) && 1786 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) { 1787 if (pool_state == POOL_STATE_DESTROYED) 1788 (void) printf(gettext("\tThe pool was destroyed, " 1789 "but can be imported using the '-Df' flags.\n")); 1790 else if (pool_state != POOL_STATE_EXPORTED) 1791 (void) printf(gettext("\tThe pool may be active on " 1792 "another system, but can be imported using\n\t" 1793 "the '-f' flag.\n")); 1794 } 1795 1796 if (msgid != NULL) 1797 (void) printf(gettext(" see: http://illumos.org/msg/%s\n"), 1798 msgid); 1799 1800 (void) printf(gettext(" config:\n\n")); 1801 1802 namewidth = max_width(NULL, nvroot, 0, 0); 1803 if (namewidth < 10) 1804 namewidth = 10; 1805 1806 print_import_config(name, nvroot, namewidth, 0); 1807 if (num_logs(nvroot) > 0) 1808 print_logs(NULL, nvroot, namewidth, B_FALSE); 1809 1810 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) { 1811 (void) printf(gettext("\n\tAdditional devices are known to " 1812 "be part of this pool, though their\n\texact " 1813 "configuration cannot be determined.\n")); 1814 } 1815} 1816 1817/* 1818 * Perform the import for the given configuration. This passes the heavy 1819 * lifting off to zpool_import_props(), and then mounts the datasets contained 1820 * within the pool. 1821 */ 1822static int 1823do_import(nvlist_t *config, const char *newname, const char *mntopts, 1824 nvlist_t *props, int flags) 1825{ 1826 zpool_handle_t *zhp; 1827 char *name; 1828 uint64_t state; 1829 uint64_t version; 1830 1831 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1832 &name) == 0); 1833 1834 verify(nvlist_lookup_uint64(config, 1835 ZPOOL_CONFIG_POOL_STATE, &state) == 0); 1836 verify(nvlist_lookup_uint64(config, 1837 ZPOOL_CONFIG_VERSION, &version) == 0); 1838 if (!SPA_VERSION_IS_SUPPORTED(version)) { 1839 (void) fprintf(stderr, gettext("cannot import '%s': pool " 1840 "is formatted using an unsupported ZFS version\n"), name); 1841 return (1); 1842 } else if (state != POOL_STATE_EXPORTED && 1843 !(flags & ZFS_IMPORT_ANY_HOST)) { 1844 uint64_t hostid; 1845 1846 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1847 &hostid) == 0) { 1848 if ((unsigned long)hostid != gethostid()) { 1849 char *hostname; 1850 uint64_t timestamp; 1851 time_t t; 1852 1853 verify(nvlist_lookup_string(config, 1854 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1855 verify(nvlist_lookup_uint64(config, 1856 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1857 t = timestamp; 1858 (void) fprintf(stderr, gettext("cannot import " 1859 "'%s': pool may be in use from other " 1860 "system, it was last accessed by %s " 1861 "(hostid: 0x%lx) on %s"), name, hostname, 1862 (unsigned long)hostid, 1863 asctime(localtime(&t))); 1864 (void) fprintf(stderr, gettext("use '-f' to " 1865 "import anyway\n")); 1866 return (1); 1867 } 1868 } else { 1869 (void) fprintf(stderr, gettext("cannot import '%s': " 1870 "pool may be in use from other system\n"), name); 1871 (void) fprintf(stderr, gettext("use '-f' to import " 1872 "anyway\n")); 1873 return (1); 1874 } 1875 } 1876 1877 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0) 1878 return (1); 1879 1880 if (newname != NULL) 1881 name = (char *)newname; 1882 1883 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1884 return (1); 1885 1886 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1887 !(flags & ZFS_IMPORT_ONLY) && 1888 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1889 zpool_close(zhp); 1890 return (1); 1891 } 1892 1893 zpool_close(zhp); 1894 return (0); 1895} 1896 1897/* 1898 * zpool import [-d dir] [-D] 1899 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1900 * [-d dir | -c cachefile] [-f] -a 1901 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1902 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1903 * 1904 * -c Read pool information from a cachefile instead of searching 1905 * devices. 1906 * 1907 * -d Scan in a specific directory, other than /dev/dsk. More than 1908 * one directory can be specified using multiple '-d' options. 1909 * 1910 * -D Scan for previously destroyed pools or import all or only 1911 * specified destroyed pools. 1912 * 1913 * -R Temporarily import the pool, with all mountpoints relative to 1914 * the given root. The pool will remain exported when the machine 1915 * is rebooted. 1916 * 1917 * -V Import even in the presence of faulted vdevs. This is an 1918 * intentionally undocumented option for testing purposes, and 1919 * treats the pool configuration as complete, leaving any bad 1920 * vdevs in the FAULTED state. In other words, it does verbatim 1921 * import. 1922 * 1923 * -f Force import, even if it appears that the pool is active. 1924 * 1925 * -F Attempt rewind if necessary. 1926 * 1927 * -n See if rewind would work, but don't actually rewind. 1928 * 1929 * -N Import the pool but don't mount datasets. 1930 * 1931 * -T Specify a starting txg to use for import. This option is 1932 * intentionally undocumented option for testing purposes. 1933 * 1934 * -a Import all pools found. 1935 * 1936 * -o Set property=value and/or temporary mount options (without '='). 1937 * 1938 * The import command scans for pools to import, and import pools based on pool 1939 * name and GUID. The pool can also be renamed as part of the import process. 1940 */ 1941int 1942zpool_do_import(int argc, char **argv) 1943{ 1944 char **searchdirs = NULL; 1945 int nsearch = 0; 1946 int c; 1947 int err = 0; 1948 nvlist_t *pools = NULL; 1949 boolean_t do_all = B_FALSE; 1950 boolean_t do_destroyed = B_FALSE; 1951 char *mntopts = NULL; 1952 nvpair_t *elem; 1953 nvlist_t *config; 1954 uint64_t searchguid = 0; 1955 char *searchname = NULL; 1956 char *propval; 1957 nvlist_t *found_config; 1958 nvlist_t *policy = NULL; 1959 nvlist_t *props = NULL; 1960 boolean_t first; 1961 int flags = ZFS_IMPORT_NORMAL; 1962 uint32_t rewind_policy = ZPOOL_NO_REWIND; 1963 boolean_t dryrun = B_FALSE; 1964 boolean_t do_rewind = B_FALSE; 1965 boolean_t xtreme_rewind = B_FALSE; 1966 uint64_t pool_state, txg = -1ULL; 1967 char *cachefile = NULL; 1968 importargs_t idata = { 0 }; 1969 char *endptr; 1970 1971 /* check options */ 1972 while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:R:T:VX")) != -1) { 1973 switch (c) { 1974 case 'a': 1975 do_all = B_TRUE; 1976 break; 1977 case 'c': 1978 cachefile = optarg; 1979 break; 1980 case 'd': 1981 if (searchdirs == NULL) { 1982 searchdirs = safe_malloc(sizeof (char *)); 1983 } else { 1984 char **tmp = safe_malloc((nsearch + 1) * 1985 sizeof (char *)); 1986 bcopy(searchdirs, tmp, nsearch * 1987 sizeof (char *)); 1988 free(searchdirs); 1989 searchdirs = tmp; 1990 } 1991 searchdirs[nsearch++] = optarg; 1992 break; 1993 case 'D': 1994 do_destroyed = B_TRUE; 1995 break; 1996 case 'f': 1997 flags |= ZFS_IMPORT_ANY_HOST; 1998 break; 1999 case 'F': 2000 do_rewind = B_TRUE; 2001 break; 2002 case 'm': 2003 flags |= ZFS_IMPORT_MISSING_LOG; 2004 break; 2005 case 'n': 2006 dryrun = B_TRUE; 2007 break; 2008 case 'N': 2009 flags |= ZFS_IMPORT_ONLY; 2010 break; 2011 case 'o': 2012 if ((propval = strchr(optarg, '=')) != NULL) { 2013 *propval = '\0'; 2014 propval++; 2015 if (add_prop_list(optarg, propval, 2016 &props, B_TRUE)) 2017 goto error; 2018 } else { 2019 mntopts = optarg; 2020 } 2021 break; 2022 case 'R': 2023 if (add_prop_list(zpool_prop_to_name( 2024 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 2025 goto error; 2026 if (nvlist_lookup_string(props, 2027 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 2028 &propval) == 0) 2029 break; 2030 if (add_prop_list(zpool_prop_to_name( 2031 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 2032 goto error; 2033 break; 2034 case 'T': 2035 errno = 0; 2036 txg = strtoull(optarg, &endptr, 10); 2037 if (errno != 0 || *endptr != '\0') { 2038 (void) fprintf(stderr, 2039 gettext("invalid txg value\n")); 2040 usage(B_FALSE); 2041 } 2042 rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND; 2043 break; 2044 case 'V': 2045 flags |= ZFS_IMPORT_VERBATIM; 2046 break; 2047 case 'X': 2048 xtreme_rewind = B_TRUE; 2049 break; 2050 case ':': 2051 (void) fprintf(stderr, gettext("missing argument for " 2052 "'%c' option\n"), optopt); 2053 usage(B_FALSE); 2054 break; 2055 case '?': 2056 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2057 optopt); 2058 usage(B_FALSE); 2059 } 2060 } 2061 2062 argc -= optind; 2063 argv += optind; 2064 2065 if (cachefile && nsearch != 0) { 2066 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 2067 usage(B_FALSE); 2068 } 2069 2070 if ((dryrun || xtreme_rewind) && !do_rewind) { 2071 (void) fprintf(stderr, 2072 gettext("-n or -X only meaningful with -F\n")); 2073 usage(B_FALSE); 2074 } 2075 if (dryrun) 2076 rewind_policy = ZPOOL_TRY_REWIND; 2077 else if (do_rewind) 2078 rewind_policy = ZPOOL_DO_REWIND; 2079 if (xtreme_rewind) 2080 rewind_policy |= ZPOOL_EXTREME_REWIND; 2081 2082 /* In the future, we can capture further policy and include it here */ 2083 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 2084 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, txg) != 0 || 2085 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 2086 goto error; 2087 2088 if (searchdirs == NULL) { 2089 searchdirs = safe_malloc(sizeof (char *)); 2090 searchdirs[0] = "/dev"; 2091 nsearch = 1; 2092 } 2093 2094 /* check argument count */ 2095 if (do_all) { 2096 if (argc != 0) { 2097 (void) fprintf(stderr, gettext("too many arguments\n")); 2098 usage(B_FALSE); 2099 } 2100 } else { 2101 if (argc > 2) { 2102 (void) fprintf(stderr, gettext("too many arguments\n")); 2103 usage(B_FALSE); 2104 } 2105 2106 /* 2107 * Check for the SYS_CONFIG privilege. We do this explicitly 2108 * here because otherwise any attempt to discover pools will 2109 * silently fail. 2110 */ 2111 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 2112 (void) fprintf(stderr, gettext("cannot " 2113 "discover pools: permission denied\n")); 2114 free(searchdirs); 2115 nvlist_free(policy); 2116 return (1); 2117 } 2118 } 2119 2120 /* 2121 * Depending on the arguments given, we do one of the following: 2122 * 2123 * <none> Iterate through all pools and display information about 2124 * each one. 2125 * 2126 * -a Iterate through all pools and try to import each one. 2127 * 2128 * <id> Find the pool that corresponds to the given GUID/pool 2129 * name and import that one. 2130 * 2131 * -D Above options applies only to destroyed pools. 2132 */ 2133 if (argc != 0) { 2134 char *endptr; 2135 2136 errno = 0; 2137 searchguid = strtoull(argv[0], &endptr, 10); 2138 if (errno != 0 || *endptr != '\0') { 2139 searchname = argv[0]; 2140 searchguid = 0; 2141 } 2142 found_config = NULL; 2143 2144 /* 2145 * User specified a name or guid. Ensure it's unique. 2146 */ 2147 idata.unique = B_TRUE; 2148 } 2149 2150 2151 idata.path = searchdirs; 2152 idata.paths = nsearch; 2153 idata.poolname = searchname; 2154 idata.guid = searchguid; 2155 idata.cachefile = cachefile; 2156 2157 pools = zpool_search_import(g_zfs, &idata); 2158 2159 if (pools != NULL && idata.exists && 2160 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) { 2161 (void) fprintf(stderr, gettext("cannot import '%s': " 2162 "a pool with that name already exists\n"), 2163 argv[0]); 2164 (void) fprintf(stderr, gettext("use the form '%s " 2165 "<pool | id> <newpool>' to give it a new name\n"), 2166 "zpool import"); 2167 err = 1; 2168 } else if (pools == NULL && idata.exists) { 2169 (void) fprintf(stderr, gettext("cannot import '%s': " 2170 "a pool with that name is already created/imported,\n"), 2171 argv[0]); 2172 (void) fprintf(stderr, gettext("and no additional pools " 2173 "with that name were found\n")); 2174 err = 1; 2175 } else if (pools == NULL) { 2176 if (argc != 0) { 2177 (void) fprintf(stderr, gettext("cannot import '%s': " 2178 "no such pool available\n"), argv[0]); 2179 } 2180 err = 1; 2181 } 2182 2183 if (err == 1) { 2184 free(searchdirs); 2185 nvlist_free(policy); 2186 return (1); 2187 } 2188 2189 /* 2190 * At this point we have a list of import candidate configs. Even if 2191 * we were searching by pool name or guid, we still need to 2192 * post-process the list to deal with pool state and possible 2193 * duplicate names. 2194 */ 2195 err = 0; 2196 elem = NULL; 2197 first = B_TRUE; 2198 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2199 2200 verify(nvpair_value_nvlist(elem, &config) == 0); 2201 2202 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 2203 &pool_state) == 0); 2204 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 2205 continue; 2206 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 2207 continue; 2208 2209 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 2210 policy) == 0); 2211 2212 if (argc == 0) { 2213 if (first) 2214 first = B_FALSE; 2215 else if (!do_all) 2216 (void) printf("\n"); 2217 2218 if (do_all) { 2219 err |= do_import(config, NULL, mntopts, 2220 props, flags); 2221 } else { 2222 show_import(config); 2223 } 2224 } else if (searchname != NULL) { 2225 char *name; 2226 2227 /* 2228 * We are searching for a pool based on name. 2229 */ 2230 verify(nvlist_lookup_string(config, 2231 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 2232 2233 if (strcmp(name, searchname) == 0) { 2234 if (found_config != NULL) { 2235 (void) fprintf(stderr, gettext( 2236 "cannot import '%s': more than " 2237 "one matching pool\n"), searchname); 2238 (void) fprintf(stderr, gettext( 2239 "import by numeric ID instead\n")); 2240 err = B_TRUE; 2241 } 2242 found_config = config; 2243 } 2244 } else { 2245 uint64_t guid; 2246 2247 /* 2248 * Search for a pool by guid. 2249 */ 2250 verify(nvlist_lookup_uint64(config, 2251 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 2252 2253 if (guid == searchguid) 2254 found_config = config; 2255 } 2256 } 2257 2258 /* 2259 * If we were searching for a specific pool, verify that we found a 2260 * pool, and then do the import. 2261 */ 2262 if (argc != 0 && err == 0) { 2263 if (found_config == NULL) { 2264 (void) fprintf(stderr, gettext("cannot import '%s': " 2265 "no such pool available\n"), argv[0]); 2266 err = B_TRUE; 2267 } else { 2268 err |= do_import(found_config, argc == 1 ? NULL : 2269 argv[1], mntopts, props, flags); 2270 } 2271 } 2272 2273 /* 2274 * If we were just looking for pools, report an error if none were 2275 * found. 2276 */ 2277 if (argc == 0 && first) 2278 (void) fprintf(stderr, 2279 gettext("no pools available to import\n")); 2280 2281error: 2282 nvlist_free(props); 2283 nvlist_free(pools); 2284 nvlist_free(policy); 2285 free(searchdirs); 2286 2287 return (err ? 1 : 0); 2288} 2289 2290typedef struct iostat_cbdata { 2291 boolean_t cb_verbose; 2292 int cb_namewidth; 2293 int cb_iteration; 2294 zpool_list_t *cb_list; 2295} iostat_cbdata_t; 2296 2297static void 2298print_iostat_separator(iostat_cbdata_t *cb) 2299{ 2300 int i = 0; 2301 2302 for (i = 0; i < cb->cb_namewidth; i++) 2303 (void) printf("-"); 2304 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 2305} 2306 2307static void 2308print_iostat_header(iostat_cbdata_t *cb) 2309{ 2310 (void) printf("%*s capacity operations bandwidth\n", 2311 cb->cb_namewidth, ""); 2312 (void) printf("%-*s alloc free read write read write\n", 2313 cb->cb_namewidth, "pool"); 2314 print_iostat_separator(cb); 2315} 2316 2317/* 2318 * Display a single statistic. 2319 */ 2320static void 2321print_one_stat(uint64_t value) 2322{ 2323 char buf[64]; 2324 2325 zfs_nicenum(value, buf, sizeof (buf)); 2326 (void) printf(" %5s", buf); 2327} 2328 2329/* 2330 * Print out all the statistics for the given vdev. This can either be the 2331 * toplevel configuration, or called recursively. If 'name' is NULL, then this 2332 * is a verbose output, and we don't want to display the toplevel pool stats. 2333 */ 2334void 2335print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 2336 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 2337{ 2338 nvlist_t **oldchild, **newchild; 2339 uint_t c, children; 2340 vdev_stat_t *oldvs, *newvs; 2341 vdev_stat_t zerovs = { 0 }; 2342 uint64_t tdelta; 2343 double scale; 2344 char *vname; 2345 2346 if (oldnv != NULL) { 2347 verify(nvlist_lookup_uint64_array(oldnv, 2348 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0); 2349 } else { 2350 oldvs = &zerovs; 2351 } 2352 2353 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS, 2354 (uint64_t **)&newvs, &c) == 0); 2355 2356 if (strlen(name) + depth > cb->cb_namewidth) 2357 (void) printf("%*s%s", depth, "", name); 2358 else 2359 (void) printf("%*s%s%*s", depth, "", name, 2360 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2361 2362 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 2363 2364 if (tdelta == 0) 2365 scale = 1.0; 2366 else 2367 scale = (double)NANOSEC / tdelta; 2368 2369 /* only toplevel vdevs have capacity stats */ 2370 if (newvs->vs_space == 0) { 2371 (void) printf(" - -"); 2372 } else { 2373 print_one_stat(newvs->vs_alloc); 2374 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2375 } 2376 2377 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2378 oldvs->vs_ops[ZIO_TYPE_READ]))); 2379 2380 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2381 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2382 2383 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2384 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2385 2386 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2387 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2388 2389 (void) printf("\n"); 2390 2391 if (!cb->cb_verbose) 2392 return; 2393 2394 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2395 &newchild, &children) != 0) 2396 return; 2397 2398 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2399 &oldchild, &c) != 0) 2400 return; 2401 2402 for (c = 0; c < children; c++) { 2403 uint64_t ishole = B_FALSE, islog = B_FALSE; 2404 2405 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE, 2406 &ishole); 2407 2408 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG, 2409 &islog); 2410 2411 if (ishole || islog) 2412 continue; 2413 2414 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2415 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2416 newchild[c], cb, depth + 2); 2417 free(vname); 2418 } 2419 2420 /* 2421 * Log device section 2422 */ 2423 2424 if (num_logs(newnv) > 0) { 2425 (void) printf("%-*s - - - - - " 2426 "-\n", cb->cb_namewidth, "logs"); 2427 2428 for (c = 0; c < children; c++) { 2429 uint64_t islog = B_FALSE; 2430 (void) nvlist_lookup_uint64(newchild[c], 2431 ZPOOL_CONFIG_IS_LOG, &islog); 2432 2433 if (islog) { 2434 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2435 B_FALSE); 2436 print_vdev_stats(zhp, vname, oldnv ? 2437 oldchild[c] : NULL, newchild[c], 2438 cb, depth + 2); 2439 free(vname); 2440 } 2441 } 2442 2443 } 2444 2445 /* 2446 * Include level 2 ARC devices in iostat output 2447 */ 2448 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2449 &newchild, &children) != 0) 2450 return; 2451 2452 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2453 &oldchild, &c) != 0) 2454 return; 2455 2456 if (children > 0) { 2457 (void) printf("%-*s - - - - - " 2458 "-\n", cb->cb_namewidth, "cache"); 2459 for (c = 0; c < children; c++) { 2460 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2461 B_FALSE); 2462 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2463 newchild[c], cb, depth + 2); 2464 free(vname); 2465 } 2466 } 2467} 2468 2469static int 2470refresh_iostat(zpool_handle_t *zhp, void *data) 2471{ 2472 iostat_cbdata_t *cb = data; 2473 boolean_t missing; 2474 2475 /* 2476 * If the pool has disappeared, remove it from the list and continue. 2477 */ 2478 if (zpool_refresh_stats(zhp, &missing) != 0) 2479 return (-1); 2480 2481 if (missing) 2482 pool_list_remove(cb->cb_list, zhp); 2483 2484 return (0); 2485} 2486 2487/* 2488 * Callback to print out the iostats for the given pool. 2489 */ 2490int 2491print_iostat(zpool_handle_t *zhp, void *data) 2492{ 2493 iostat_cbdata_t *cb = data; 2494 nvlist_t *oldconfig, *newconfig; 2495 nvlist_t *oldnvroot, *newnvroot; 2496 2497 newconfig = zpool_get_config(zhp, &oldconfig); 2498 2499 if (cb->cb_iteration == 1) 2500 oldconfig = NULL; 2501 2502 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2503 &newnvroot) == 0); 2504 2505 if (oldconfig == NULL) 2506 oldnvroot = NULL; 2507 else 2508 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2509 &oldnvroot) == 0); 2510 2511 /* 2512 * Print out the statistics for the pool. 2513 */ 2514 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2515 2516 if (cb->cb_verbose) 2517 print_iostat_separator(cb); 2518 2519 return (0); 2520} 2521 2522int 2523get_namewidth(zpool_handle_t *zhp, void *data) 2524{ 2525 iostat_cbdata_t *cb = data; 2526 nvlist_t *config, *nvroot; 2527 2528 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2529 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2530 &nvroot) == 0); 2531 if (!cb->cb_verbose) 2532 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2533 else 2534 cb->cb_namewidth = max_width(zhp, nvroot, 0, 2535 cb->cb_namewidth); 2536 } 2537 2538 /* 2539 * The width must fall into the range [10,38]. The upper limit is the 2540 * maximum we can have and still fit in 80 columns. 2541 */ 2542 if (cb->cb_namewidth < 10) 2543 cb->cb_namewidth = 10; 2544 if (cb->cb_namewidth > 38) 2545 cb->cb_namewidth = 38; 2546 2547 return (0); 2548} 2549 2550/* 2551 * Parse the input string, get the 'interval' and 'count' value if there is one. 2552 */ 2553static void 2554get_interval_count(int *argcp, char **argv, unsigned long *iv, 2555 unsigned long *cnt) 2556{ 2557 unsigned long interval = 0, count = 0; 2558 int argc = *argcp, errno; 2559 2560 /* 2561 * Determine if the last argument is an integer or a pool name 2562 */ 2563 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2564 char *end; 2565 2566 errno = 0; 2567 interval = strtoul(argv[argc - 1], &end, 10); 2568 2569 if (*end == '\0' && errno == 0) { 2570 if (interval == 0) { 2571 (void) fprintf(stderr, gettext("interval " 2572 "cannot be zero\n")); 2573 usage(B_FALSE); 2574 } 2575 /* 2576 * Ignore the last parameter 2577 */ 2578 argc--; 2579 } else { 2580 /* 2581 * If this is not a valid number, just plow on. The 2582 * user will get a more informative error message later 2583 * on. 2584 */ 2585 interval = 0; 2586 } 2587 } 2588 2589 /* 2590 * If the last argument is also an integer, then we have both a count 2591 * and an interval. 2592 */ 2593 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2594 char *end; 2595 2596 errno = 0; 2597 count = interval; 2598 interval = strtoul(argv[argc - 1], &end, 10); 2599 2600 if (*end == '\0' && errno == 0) { 2601 if (interval == 0) { 2602 (void) fprintf(stderr, gettext("interval " 2603 "cannot be zero\n")); 2604 usage(B_FALSE); 2605 } 2606 2607 /* 2608 * Ignore the last parameter 2609 */ 2610 argc--; 2611 } else { 2612 interval = 0; 2613 } 2614 } 2615 2616 *iv = interval; 2617 *cnt = count; 2618 *argcp = argc; 2619} 2620 2621static void 2622get_timestamp_arg(char c) 2623{ 2624 if (c == 'u') 2625 timestamp_fmt = UDATE; 2626 else if (c == 'd') 2627 timestamp_fmt = DDATE; 2628 else 2629 usage(B_FALSE); 2630} 2631 2632/* 2633 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]] 2634 * 2635 * -v Display statistics for individual vdevs 2636 * -T Display a timestamp in date(1) or Unix format 2637 * 2638 * This command can be tricky because we want to be able to deal with pool 2639 * creation/destruction as well as vdev configuration changes. The bulk of this 2640 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2641 * on pool_list_update() to detect the addition of new pools. Configuration 2642 * changes are all handled within libzfs. 2643 */ 2644int 2645zpool_do_iostat(int argc, char **argv) 2646{ 2647 int c; 2648 int ret; 2649 int npools; 2650 unsigned long interval = 0, count = 0; 2651 zpool_list_t *list; 2652 boolean_t verbose = B_FALSE; 2653 iostat_cbdata_t cb; 2654 2655 /* check options */ 2656 while ((c = getopt(argc, argv, "T:v")) != -1) { 2657 switch (c) { 2658 case 'T': 2659 get_timestamp_arg(*optarg); 2660 break; 2661 case 'v': 2662 verbose = B_TRUE; 2663 break; 2664 case '?': 2665 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2666 optopt); 2667 usage(B_FALSE); 2668 } 2669 } 2670 2671 argc -= optind; 2672 argv += optind; 2673 2674 get_interval_count(&argc, argv, &interval, &count); 2675 2676 /* 2677 * Construct the list of all interesting pools. 2678 */ 2679 ret = 0; 2680 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2681 return (1); 2682 2683 if (pool_list_count(list) == 0 && argc != 0) { 2684 pool_list_free(list); 2685 return (1); 2686 } 2687 2688 if (pool_list_count(list) == 0 && interval == 0) { 2689 pool_list_free(list); 2690 (void) fprintf(stderr, gettext("no pools available\n")); 2691 return (1); 2692 } 2693 2694 /* 2695 * Enter the main iostat loop. 2696 */ 2697 cb.cb_list = list; 2698 cb.cb_verbose = verbose; 2699 cb.cb_iteration = 0; 2700 cb.cb_namewidth = 0; 2701 2702 for (;;) { 2703 pool_list_update(list); 2704 2705 if ((npools = pool_list_count(list)) == 0) 2706 break; 2707 2708 /* 2709 * Refresh all statistics. This is done as an explicit step 2710 * before calculating the maximum name width, so that any 2711 * configuration changes are properly accounted for. 2712 */ 2713 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2714 2715 /* 2716 * Iterate over all pools to determine the maximum width 2717 * for the pool / device name column across all pools. 2718 */ 2719 cb.cb_namewidth = 0; 2720 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2721 2722 if (timestamp_fmt != NODATE) 2723 print_timestamp(timestamp_fmt); 2724 2725 /* 2726 * If it's the first time, or verbose mode, print the header. 2727 */ 2728 if (++cb.cb_iteration == 1 || verbose) 2729 print_iostat_header(&cb); 2730 2731 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2732 2733 /* 2734 * If there's more than one pool, and we're not in verbose mode 2735 * (which prints a separator for us), then print a separator. 2736 */ 2737 if (npools > 1 && !verbose) 2738 print_iostat_separator(&cb); 2739 2740 if (verbose) 2741 (void) printf("\n"); 2742 2743 /* 2744 * Flush the output so that redirection to a file isn't buffered 2745 * indefinitely. 2746 */ 2747 (void) fflush(stdout); 2748 2749 if (interval == 0) 2750 break; 2751 2752 if (count != 0 && --count == 0) 2753 break; 2754 2755 (void) sleep(interval); 2756 } 2757 2758 pool_list_free(list); 2759 2760 return (ret); 2761} 2762 2763typedef struct list_cbdata { 2764 boolean_t cb_verbose; 2765 int cb_namewidth; 2766 boolean_t cb_scripted; 2767 zprop_list_t *cb_proplist; 2768} list_cbdata_t; 2769 2770/* 2771 * Given a list of columns to display, output appropriate headers for each one. 2772 */ 2773static void 2774print_header(list_cbdata_t *cb) 2775{ 2776 zprop_list_t *pl = cb->cb_proplist; 2777 char headerbuf[ZPOOL_MAXPROPLEN]; 2778 const char *header; 2779 boolean_t first = B_TRUE; 2780 boolean_t right_justify; 2781 size_t width = 0; 2782 2783 for (; pl != NULL; pl = pl->pl_next) { 2784 width = pl->pl_width; 2785 if (first && cb->cb_verbose) { 2786 /* 2787 * Reset the width to accommodate the verbose listing 2788 * of devices. 2789 */ 2790 width = cb->cb_namewidth; 2791 } 2792 2793 if (!first) 2794 (void) printf(" "); 2795 else 2796 first = B_FALSE; 2797 2798 right_justify = B_FALSE; 2799 if (pl->pl_prop != ZPROP_INVAL) { 2800 header = zpool_prop_column_name(pl->pl_prop); 2801 right_justify = zpool_prop_align_right(pl->pl_prop); 2802 } else { 2803 int i; 2804 2805 for (i = 0; pl->pl_user_prop[i] != '\0'; i++) 2806 headerbuf[i] = toupper(pl->pl_user_prop[i]); 2807 headerbuf[i] = '\0'; 2808 header = headerbuf; 2809 } 2810 2811 if (pl->pl_next == NULL && !right_justify) 2812 (void) printf("%s", header); 2813 else if (right_justify) 2814 (void) printf("%*s", width, header); 2815 else 2816 (void) printf("%-*s", width, header); 2817 2818 } 2819 2820 (void) printf("\n"); 2821} 2822 2823/* 2824 * Given a pool and a list of properties, print out all the properties according 2825 * to the described layout. 2826 */ 2827static void 2828print_pool(zpool_handle_t *zhp, list_cbdata_t *cb) 2829{ 2830 zprop_list_t *pl = cb->cb_proplist; 2831 boolean_t first = B_TRUE; 2832 char property[ZPOOL_MAXPROPLEN]; 2833 char *propstr; 2834 boolean_t right_justify; 2835 size_t width; 2836 2837 for (; pl != NULL; pl = pl->pl_next) { 2838 2839 width = pl->pl_width; 2840 if (first && cb->cb_verbose) { 2841 /* 2842 * Reset the width to accommodate the verbose listing 2843 * of devices. 2844 */ 2845 width = cb->cb_namewidth; 2846 } 2847 2848 if (!first) { 2849 if (cb->cb_scripted) 2850 (void) printf("\t"); 2851 else 2852 (void) printf(" "); 2853 } else { 2854 first = B_FALSE; 2855 } 2856 2857 right_justify = B_FALSE; 2858 if (pl->pl_prop != ZPROP_INVAL) { 2859 if (pl->pl_prop == ZPOOL_PROP_EXPANDSZ && 2860 zpool_get_prop_int(zhp, pl->pl_prop, NULL) == 0) 2861 propstr = "-"; 2862 else if (zpool_get_prop(zhp, pl->pl_prop, property, 2863 sizeof (property), NULL) != 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{ 2898 char propval[64]; 2899 boolean_t fixed; 2900 size_t width = zprop_width(prop, &fixed, ZFS_TYPE_POOL); 2901 2902 zfs_nicenum(value, propval, sizeof (propval)); 2903 2904 if (prop == ZPOOL_PROP_EXPANDSZ && value == 0) 2905 (void) strlcpy(propval, "-", sizeof (propval)); 2906 2907 if (scripted) 2908 (void) printf("\t%s", propval); 2909 else 2910 (void) printf(" %*s", width, propval); 2911} 2912 2913void 2914print_list_stats(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 2915 list_cbdata_t *cb, int depth) 2916{ 2917 nvlist_t **child; 2918 vdev_stat_t *vs; 2919 uint_t c, children; 2920 char *vname; 2921 boolean_t scripted = cb->cb_scripted; 2922 2923 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 2924 (uint64_t **)&vs, &c) == 0); 2925 2926 if (name != NULL) { 2927 if (scripted) 2928 (void) printf("\t%s", name); 2929 else if (strlen(name) + depth > cb->cb_namewidth) 2930 (void) printf("%*s%s", depth, "", name); 2931 else 2932 (void) printf("%*s%s%*s", depth, "", name, 2933 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2934 2935 /* only toplevel vdevs have capacity stats */ 2936 if (vs->vs_space == 0) { 2937 if (scripted) 2938 (void) printf("\t-\t-\t-"); 2939 else 2940 (void) printf(" - - -"); 2941 } else { 2942 print_one_column(ZPOOL_PROP_SIZE, vs->vs_space, 2943 scripted); 2944 print_one_column(ZPOOL_PROP_CAPACITY, vs->vs_alloc, 2945 scripted); 2946 print_one_column(ZPOOL_PROP_FREE, 2947 vs->vs_space - vs->vs_alloc, scripted); 2948 } 2949 print_one_column(ZPOOL_PROP_EXPANDSZ, vs->vs_esize, 2950 scripted); 2951 (void) printf("\n"); 2952 } 2953 2954 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2955 &child, &children) != 0) 2956 return; 2957 2958 for (c = 0; c < children; c++) { 2959 uint64_t ishole = B_FALSE; 2960 2961 if (nvlist_lookup_uint64(child[c], 2962 ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole) 2963 continue; 2964 2965 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 2966 print_list_stats(zhp, vname, child[c], cb, depth + 2); 2967 free(vname); 2968 } 2969 2970 /* 2971 * Include level 2 ARC devices in iostat output 2972 */ 2973 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 2974 &child, &children) != 0) 2975 return; 2976 2977 if (children > 0) { 2978 (void) printf("%-*s - - - - - " 2979 "-\n", cb->cb_namewidth, "cache"); 2980 for (c = 0; c < children; c++) { 2981 vname = zpool_vdev_name(g_zfs, zhp, child[c], 2982 B_FALSE); 2983 print_list_stats(zhp, vname, child[c], cb, depth + 2); 2984 free(vname); 2985 } 2986 } 2987} 2988 2989 2990/* 2991 * Generic callback function to list a pool. 2992 */ 2993int 2994list_callback(zpool_handle_t *zhp, void *data) 2995{ 2996 list_cbdata_t *cbp = data; 2997 nvlist_t *config; 2998 nvlist_t *nvroot; 2999 3000 config = zpool_get_config(zhp, NULL); 3001 3002 print_pool(zhp, cbp); 3003 if (!cbp->cb_verbose) 3004 return (0); 3005 3006 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3007 &nvroot) == 0); 3008 print_list_stats(zhp, NULL, nvroot, cbp, 0); 3009 3010 return (0); 3011} 3012 3013/* 3014 * zpool list [-H] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]] 3015 * 3016 * -H Scripted mode. Don't display headers, and separate properties 3017 * by a single tab. 3018 * -o List of properties to display. Defaults to 3019 * "name,size,allocated,free,capacity,health,altroot" 3020 * -T Display a timestamp in date(1) or Unix format 3021 * 3022 * List all pools in the system, whether or not they're healthy. Output space 3023 * statistics for each one, as well as health status summary. 3024 */ 3025int 3026zpool_do_list(int argc, char **argv) 3027{ 3028 int c; 3029 int ret; 3030 list_cbdata_t cb = { 0 }; 3031 static char default_props[] = 3032 "name,size,allocated,free,capacity,dedupratio," 3033 "health,altroot"; 3034 char *props = default_props; 3035 unsigned long interval = 0, count = 0; 3036 zpool_list_t *list; 3037 boolean_t first = B_TRUE; 3038 3039 /* check options */ 3040 while ((c = getopt(argc, argv, ":Ho:T:v")) != -1) { 3041 switch (c) { 3042 case 'H': 3043 cb.cb_scripted = B_TRUE; 3044 break; 3045 case 'o': 3046 props = optarg; 3047 break; 3048 case 'T': 3049 get_timestamp_arg(*optarg); 3050 break; 3051 case 'v': 3052 cb.cb_verbose = B_TRUE; 3053 break; 3054 case ':': 3055 (void) fprintf(stderr, gettext("missing argument for " 3056 "'%c' option\n"), optopt); 3057 usage(B_FALSE); 3058 break; 3059 case '?': 3060 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3061 optopt); 3062 usage(B_FALSE); 3063 } 3064 } 3065 3066 argc -= optind; 3067 argv += optind; 3068 3069 get_interval_count(&argc, argv, &interval, &count); 3070 3071 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 3072 usage(B_FALSE); 3073 3074 if ((list = pool_list_get(argc, argv, &cb.cb_proplist, &ret)) == NULL) 3075 return (1); 3076 3077 if (argc == 0 && !cb.cb_scripted && pool_list_count(list) == 0) { 3078 (void) printf(gettext("no pools available\n")); 3079 zprop_free_list(cb.cb_proplist); 3080 return (0); 3081 } 3082 3083 for (;;) { 3084 pool_list_update(list); 3085 3086 if (pool_list_count(list) == 0) 3087 break; 3088 3089 cb.cb_namewidth = 0; 3090 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 3091 3092 if (timestamp_fmt != NODATE) 3093 print_timestamp(timestamp_fmt); 3094 3095 if (!cb.cb_scripted && (first || cb.cb_verbose)) { 3096 print_header(&cb); 3097 first = B_FALSE; 3098 } 3099 ret = pool_list_iter(list, B_TRUE, list_callback, &cb); 3100 3101 if (interval == 0) 3102 break; 3103 3104 if (count != 0 && --count == 0) 3105 break; 3106 3107 (void) sleep(interval); 3108 } 3109 3110 zprop_free_list(cb.cb_proplist); 3111 return (ret); 3112} 3113 3114static nvlist_t * 3115zpool_get_vdev_by_name(nvlist_t *nv, char *name) 3116{ 3117 nvlist_t **child; 3118 uint_t c, children; 3119 nvlist_t *match; 3120 char *path; 3121 3122 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 3123 &child, &children) != 0) { 3124 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 3125 if (strncmp(name, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0) 3126 name += sizeof(_PATH_DEV) - 1; 3127 if (strncmp(path, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0) 3128 path += sizeof(_PATH_DEV) - 1; 3129 if (strcmp(name, path) == 0) 3130 return (nv); 3131 return (NULL); 3132 } 3133 3134 for (c = 0; c < children; c++) 3135 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 3136 return (match); 3137 3138 return (NULL); 3139} 3140 3141static int 3142zpool_do_attach_or_replace(int argc, char **argv, int replacing) 3143{ 3144 boolean_t force = B_FALSE; 3145 int c; 3146 nvlist_t *nvroot; 3147 char *poolname, *old_disk, *new_disk; 3148 zpool_handle_t *zhp; 3149 int ret; 3150 3151 /* check options */ 3152 while ((c = getopt(argc, argv, "f")) != -1) { 3153 switch (c) { 3154 case 'f': 3155 force = B_TRUE; 3156 break; 3157 case '?': 3158 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3159 optopt); 3160 usage(B_FALSE); 3161 } 3162 } 3163 3164 argc -= optind; 3165 argv += optind; 3166 3167 /* get pool name and check number of arguments */ 3168 if (argc < 1) { 3169 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3170 usage(B_FALSE); 3171 } 3172 3173 poolname = argv[0]; 3174 3175 if (argc < 2) { 3176 (void) fprintf(stderr, 3177 gettext("missing <device> specification\n")); 3178 usage(B_FALSE); 3179 } 3180 3181 old_disk = argv[1]; 3182 3183 if (argc < 3) { 3184 if (!replacing) { 3185 (void) fprintf(stderr, 3186 gettext("missing <new_device> specification\n")); 3187 usage(B_FALSE); 3188 } 3189 new_disk = old_disk; 3190 argc -= 1; 3191 argv += 1; 3192 } else { 3193 new_disk = argv[2]; 3194 argc -= 2; 3195 argv += 2; 3196 } 3197 3198 if (argc > 1) { 3199 (void) fprintf(stderr, gettext("too many arguments\n")); 3200 usage(B_FALSE); 3201 } 3202 3203 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3204 return (1); 3205 3206 if (zpool_get_config(zhp, NULL) == NULL) { 3207 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 3208 poolname); 3209 zpool_close(zhp); 3210 return (1); 3211 } 3212 3213 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 3214 argc, argv); 3215 if (nvroot == NULL) { 3216 zpool_close(zhp); 3217 return (1); 3218 } 3219 3220 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 3221 3222 nvlist_free(nvroot); 3223 zpool_close(zhp); 3224 3225 return (ret); 3226} 3227 3228/* 3229 * zpool replace [-f] <pool> <device> <new_device> 3230 * 3231 * -f Force attach, even if <new_device> appears to be in use. 3232 * 3233 * Replace <device> with <new_device>. 3234 */ 3235/* ARGSUSED */ 3236int 3237zpool_do_replace(int argc, char **argv) 3238{ 3239 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 3240} 3241 3242/* 3243 * zpool attach [-f] <pool> <device> <new_device> 3244 * 3245 * -f Force attach, even if <new_device> appears to be in use. 3246 * 3247 * Attach <new_device> to the mirror containing <device>. If <device> is not 3248 * part of a mirror, then <device> will be transformed into a mirror of 3249 * <device> and <new_device>. In either case, <new_device> will begin life 3250 * with a DTL of [0, now], and will immediately begin to resilver itself. 3251 */ 3252int 3253zpool_do_attach(int argc, char **argv) 3254{ 3255 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 3256} 3257 3258/* 3259 * zpool detach [-f] <pool> <device> 3260 * 3261 * -f Force detach of <device>, even if DTLs argue against it 3262 * (not supported yet) 3263 * 3264 * Detach a device from a mirror. The operation will be refused if <device> 3265 * is the last device in the mirror, or if the DTLs indicate that this device 3266 * has the only valid copy of some data. 3267 */ 3268/* ARGSUSED */ 3269int 3270zpool_do_detach(int argc, char **argv) 3271{ 3272 int c; 3273 char *poolname, *path; 3274 zpool_handle_t *zhp; 3275 int ret; 3276 3277 /* check options */ 3278 while ((c = getopt(argc, argv, "f")) != -1) { 3279 switch (c) { 3280 case 'f': 3281 case '?': 3282 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3283 optopt); 3284 usage(B_FALSE); 3285 } 3286 } 3287 3288 argc -= optind; 3289 argv += optind; 3290 3291 /* get pool name and check number of arguments */ 3292 if (argc < 1) { 3293 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3294 usage(B_FALSE); 3295 } 3296 3297 if (argc < 2) { 3298 (void) fprintf(stderr, 3299 gettext("missing <device> specification\n")); 3300 usage(B_FALSE); 3301 } 3302 3303 poolname = argv[0]; 3304 path = argv[1]; 3305 3306 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3307 return (1); 3308 3309 ret = zpool_vdev_detach(zhp, path); 3310 3311 zpool_close(zhp); 3312 3313 return (ret); 3314} 3315 3316/* 3317 * zpool split [-n] [-o prop=val] ... 3318 * [-o mntopt] ... 3319 * [-R altroot] <pool> <newpool> [<device> ...] 3320 * 3321 * -n Do not split the pool, but display the resulting layout if 3322 * it were to be split. 3323 * -o Set property=value, or set mount options. 3324 * -R Mount the split-off pool under an alternate root. 3325 * 3326 * Splits the named pool and gives it the new pool name. Devices to be split 3327 * off may be listed, provided that no more than one device is specified 3328 * per top-level vdev mirror. The newly split pool is left in an exported 3329 * state unless -R is specified. 3330 * 3331 * Restrictions: the top-level of the pool pool must only be made up of 3332 * mirrors; all devices in the pool must be healthy; no device may be 3333 * undergoing a resilvering operation. 3334 */ 3335int 3336zpool_do_split(int argc, char **argv) 3337{ 3338 char *srcpool, *newpool, *propval; 3339 char *mntopts = NULL; 3340 splitflags_t flags; 3341 int c, ret = 0; 3342 zpool_handle_t *zhp; 3343 nvlist_t *config, *props = NULL; 3344 3345 flags.dryrun = B_FALSE; 3346 flags.import = B_FALSE; 3347 3348 /* check options */ 3349 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 3350 switch (c) { 3351 case 'R': 3352 flags.import = B_TRUE; 3353 if (add_prop_list( 3354 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 3355 &props, B_TRUE) != 0) { 3356 if (props) 3357 nvlist_free(props); 3358 usage(B_FALSE); 3359 } 3360 break; 3361 case 'n': 3362 flags.dryrun = B_TRUE; 3363 break; 3364 case 'o': 3365 if ((propval = strchr(optarg, '=')) != NULL) { 3366 *propval = '\0'; 3367 propval++; 3368 if (add_prop_list(optarg, propval, 3369 &props, B_TRUE) != 0) { 3370 if (props) 3371 nvlist_free(props); 3372 usage(B_FALSE); 3373 } 3374 } else { 3375 mntopts = optarg; 3376 } 3377 break; 3378 case ':': 3379 (void) fprintf(stderr, gettext("missing argument for " 3380 "'%c' option\n"), optopt); 3381 usage(B_FALSE); 3382 break; 3383 case '?': 3384 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3385 optopt); 3386 usage(B_FALSE); 3387 break; 3388 } 3389 } 3390 3391 if (!flags.import && mntopts != NULL) { 3392 (void) fprintf(stderr, gettext("setting mntopts is only " 3393 "valid when importing the pool\n")); 3394 usage(B_FALSE); 3395 } 3396 3397 argc -= optind; 3398 argv += optind; 3399 3400 if (argc < 1) { 3401 (void) fprintf(stderr, gettext("Missing pool name\n")); 3402 usage(B_FALSE); 3403 } 3404 if (argc < 2) { 3405 (void) fprintf(stderr, gettext("Missing new pool name\n")); 3406 usage(B_FALSE); 3407 } 3408 3409 srcpool = argv[0]; 3410 newpool = argv[1]; 3411 3412 argc -= 2; 3413 argv += 2; 3414 3415 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 3416 return (1); 3417 3418 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 3419 if (config == NULL) { 3420 ret = 1; 3421 } else { 3422 if (flags.dryrun) { 3423 (void) printf(gettext("would create '%s' with the " 3424 "following layout:\n\n"), newpool); 3425 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 3426 } 3427 nvlist_free(config); 3428 } 3429 3430 zpool_close(zhp); 3431 3432 if (ret != 0 || flags.dryrun || !flags.import) 3433 return (ret); 3434 3435 /* 3436 * The split was successful. Now we need to open the new 3437 * pool and import it. 3438 */ 3439 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 3440 return (1); 3441 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 3442 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 3443 ret = 1; 3444 (void) fprintf(stderr, gettext("Split was successful, but " 3445 "the datasets could not all be mounted\n")); 3446 (void) fprintf(stderr, gettext("Try doing '%s' with a " 3447 "different altroot\n"), "zpool import"); 3448 } 3449 zpool_close(zhp); 3450 3451 return (ret); 3452} 3453 3454 3455 3456/* 3457 * zpool online <pool> <device> ... 3458 */ 3459int 3460zpool_do_online(int argc, char **argv) 3461{ 3462 int c, i; 3463 char *poolname; 3464 zpool_handle_t *zhp; 3465 int ret = 0; 3466 vdev_state_t newstate; 3467 int flags = 0; 3468 3469 /* check options */ 3470 while ((c = getopt(argc, argv, "et")) != -1) { 3471 switch (c) { 3472 case 'e': 3473 flags |= ZFS_ONLINE_EXPAND; 3474 break; 3475 case 't': 3476 case '?': 3477 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3478 optopt); 3479 usage(B_FALSE); 3480 } 3481 } 3482 3483 argc -= optind; 3484 argv += optind; 3485 3486 /* get pool name and check number of arguments */ 3487 if (argc < 1) { 3488 (void) fprintf(stderr, gettext("missing pool name\n")); 3489 usage(B_FALSE); 3490 } 3491 if (argc < 2) { 3492 (void) fprintf(stderr, gettext("missing device name\n")); 3493 usage(B_FALSE); 3494 } 3495 3496 poolname = argv[0]; 3497 3498 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3499 return (1); 3500 3501 for (i = 1; i < argc; i++) { 3502 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 3503 if (newstate != VDEV_STATE_HEALTHY) { 3504 (void) printf(gettext("warning: device '%s' " 3505 "onlined, but remains in faulted state\n"), 3506 argv[i]); 3507 if (newstate == VDEV_STATE_FAULTED) 3508 (void) printf(gettext("use 'zpool " 3509 "clear' to restore a faulted " 3510 "device\n")); 3511 else 3512 (void) printf(gettext("use 'zpool " 3513 "replace' to replace devices " 3514 "that are no longer present\n")); 3515 } 3516 } else { 3517 ret = 1; 3518 } 3519 } 3520 3521 zpool_close(zhp); 3522 3523 return (ret); 3524} 3525 3526/* 3527 * zpool offline [-ft] <pool> <device> ... 3528 * 3529 * -f Force the device into the offline state, even if doing 3530 * so would appear to compromise pool availability. 3531 * (not supported yet) 3532 * 3533 * -t Only take the device off-line temporarily. The offline 3534 * state will not be persistent across reboots. 3535 */ 3536/* ARGSUSED */ 3537int 3538zpool_do_offline(int argc, char **argv) 3539{ 3540 int c, i; 3541 char *poolname; 3542 zpool_handle_t *zhp; 3543 int ret = 0; 3544 boolean_t istmp = B_FALSE; 3545 3546 /* check options */ 3547 while ((c = getopt(argc, argv, "ft")) != -1) { 3548 switch (c) { 3549 case 't': 3550 istmp = B_TRUE; 3551 break; 3552 case 'f': 3553 case '?': 3554 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3555 optopt); 3556 usage(B_FALSE); 3557 } 3558 } 3559 3560 argc -= optind; 3561 argv += optind; 3562 3563 /* get pool name and check number of arguments */ 3564 if (argc < 1) { 3565 (void) fprintf(stderr, gettext("missing pool name\n")); 3566 usage(B_FALSE); 3567 } 3568 if (argc < 2) { 3569 (void) fprintf(stderr, gettext("missing device name\n")); 3570 usage(B_FALSE); 3571 } 3572 3573 poolname = argv[0]; 3574 3575 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3576 return (1); 3577 3578 for (i = 1; i < argc; i++) { 3579 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 3580 ret = 1; 3581 } 3582 3583 zpool_close(zhp); 3584 3585 return (ret); 3586} 3587 3588/* 3589 * zpool clear <pool> [device] 3590 * 3591 * Clear all errors associated with a pool or a particular device. 3592 */ 3593int 3594zpool_do_clear(int argc, char **argv) 3595{ 3596 int c; 3597 int ret = 0; 3598 boolean_t dryrun = B_FALSE; 3599 boolean_t do_rewind = B_FALSE; 3600 boolean_t xtreme_rewind = B_FALSE; 3601 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3602 nvlist_t *policy = NULL; 3603 zpool_handle_t *zhp; 3604 char *pool, *device; 3605 3606 /* check options */ 3607 while ((c = getopt(argc, argv, "FnX")) != -1) { 3608 switch (c) { 3609 case 'F': 3610 do_rewind = B_TRUE; 3611 break; 3612 case 'n': 3613 dryrun = B_TRUE; 3614 break; 3615 case 'X': 3616 xtreme_rewind = B_TRUE; 3617 break; 3618 case '?': 3619 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3620 optopt); 3621 usage(B_FALSE); 3622 } 3623 } 3624 3625 argc -= optind; 3626 argv += optind; 3627 3628 if (argc < 1) { 3629 (void) fprintf(stderr, gettext("missing pool name\n")); 3630 usage(B_FALSE); 3631 } 3632 3633 if (argc > 2) { 3634 (void) fprintf(stderr, gettext("too many arguments\n")); 3635 usage(B_FALSE); 3636 } 3637 3638 if ((dryrun || xtreme_rewind) && !do_rewind) { 3639 (void) fprintf(stderr, 3640 gettext("-n or -X only meaningful with -F\n")); 3641 usage(B_FALSE); 3642 } 3643 if (dryrun) 3644 rewind_policy = ZPOOL_TRY_REWIND; 3645 else if (do_rewind) 3646 rewind_policy = ZPOOL_DO_REWIND; 3647 if (xtreme_rewind) 3648 rewind_policy |= ZPOOL_EXTREME_REWIND; 3649 3650 /* In future, further rewind policy choices can be passed along here */ 3651 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3652 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3653 return (1); 3654 3655 pool = argv[0]; 3656 device = argc == 2 ? argv[1] : NULL; 3657 3658 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3659 nvlist_free(policy); 3660 return (1); 3661 } 3662 3663 if (zpool_clear(zhp, device, policy) != 0) 3664 ret = 1; 3665 3666 zpool_close(zhp); 3667 3668 nvlist_free(policy); 3669 3670 return (ret); 3671} 3672 3673/* 3674 * zpool reguid <pool> 3675 */ 3676int 3677zpool_do_reguid(int argc, char **argv) 3678{ 3679 int c; 3680 char *poolname; 3681 zpool_handle_t *zhp; 3682 int ret = 0; 3683 3684 /* check options */ 3685 while ((c = getopt(argc, argv, "")) != -1) { 3686 switch (c) { 3687 case '?': 3688 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3689 optopt); 3690 usage(B_FALSE); 3691 } 3692 } 3693 3694 argc -= optind; 3695 argv += optind; 3696 3697 /* get pool name and check number of arguments */ 3698 if (argc < 1) { 3699 (void) fprintf(stderr, gettext("missing pool name\n")); 3700 usage(B_FALSE); 3701 } 3702 3703 if (argc > 1) { 3704 (void) fprintf(stderr, gettext("too many arguments\n")); 3705 usage(B_FALSE); 3706 } 3707 3708 poolname = argv[0]; 3709 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3710 return (1); 3711 3712 ret = zpool_reguid(zhp); 3713 3714 zpool_close(zhp); 3715 return (ret); 3716} 3717 3718 3719/* 3720 * zpool reopen <pool> 3721 * 3722 * Reopen the pool so that the kernel can update the sizes of all vdevs. 3723 */ 3724int 3725zpool_do_reopen(int argc, char **argv) 3726{ 3727 int c; 3728 int ret = 0; 3729 zpool_handle_t *zhp; 3730 char *pool; 3731 3732 /* check options */ 3733 while ((c = getopt(argc, argv, "")) != -1) { 3734 switch (c) { 3735 case '?': 3736 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3737 optopt); 3738 usage(B_FALSE); 3739 } 3740 } 3741 3742 argc--; 3743 argv++; 3744 3745 if (argc < 1) { 3746 (void) fprintf(stderr, gettext("missing pool name\n")); 3747 usage(B_FALSE); 3748 } 3749 3750 if (argc > 1) { 3751 (void) fprintf(stderr, gettext("too many arguments\n")); 3752 usage(B_FALSE); 3753 } 3754 3755 pool = argv[0]; 3756 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) 3757 return (1); 3758 3759 ret = zpool_reopen(zhp); 3760 zpool_close(zhp); 3761 return (ret); 3762} 3763 3764typedef struct scrub_cbdata { 3765 int cb_type; 3766 int cb_argc; 3767 char **cb_argv; 3768} scrub_cbdata_t; 3769 3770int 3771scrub_callback(zpool_handle_t *zhp, void *data) 3772{ 3773 scrub_cbdata_t *cb = data; 3774 int err; 3775 3776 /* 3777 * Ignore faulted pools. 3778 */ 3779 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3780 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3781 "currently unavailable\n"), zpool_get_name(zhp)); 3782 return (1); 3783 } 3784 3785 err = zpool_scan(zhp, cb->cb_type); 3786 3787 return (err != 0); 3788} 3789 3790/* 3791 * zpool scrub [-s] <pool> ... 3792 * 3793 * -s Stop. Stops any in-progress scrub. 3794 */ 3795int 3796zpool_do_scrub(int argc, char **argv) 3797{ 3798 int c; 3799 scrub_cbdata_t cb; 3800 3801 cb.cb_type = POOL_SCAN_SCRUB; 3802 3803 /* check options */ 3804 while ((c = getopt(argc, argv, "s")) != -1) { 3805 switch (c) { 3806 case 's': 3807 cb.cb_type = POOL_SCAN_NONE; 3808 break; 3809 case '?': 3810 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3811 optopt); 3812 usage(B_FALSE); 3813 } 3814 } 3815 3816 cb.cb_argc = argc; 3817 cb.cb_argv = argv; 3818 argc -= optind; 3819 argv += optind; 3820 3821 if (argc < 1) { 3822 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3823 usage(B_FALSE); 3824 } 3825 3826 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3827} 3828 3829typedef struct status_cbdata { 3830 int cb_count; 3831 boolean_t cb_allpools; 3832 boolean_t cb_verbose; 3833 boolean_t cb_explain; 3834 boolean_t cb_first; 3835 boolean_t cb_dedup_stats; 3836} status_cbdata_t; 3837 3838/* 3839 * Print out detailed scrub status. 3840 */ 3841void 3842print_scan_status(pool_scan_stat_t *ps) 3843{ 3844 time_t start, end; 3845 uint64_t elapsed, mins_left, hours_left; 3846 uint64_t pass_exam, examined, total; 3847 uint_t rate; 3848 double fraction_done; 3849 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7]; 3850 3851 (void) printf(gettext(" scan: ")); 3852 3853 /* If there's never been a scan, there's not much to say. */ 3854 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE || 3855 ps->pss_func >= POOL_SCAN_FUNCS) { 3856 (void) printf(gettext("none requested\n")); 3857 return; 3858 } 3859 3860 start = ps->pss_start_time; 3861 end = ps->pss_end_time; 3862 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf)); 3863 3864 assert(ps->pss_func == POOL_SCAN_SCRUB || 3865 ps->pss_func == POOL_SCAN_RESILVER); 3866 /* 3867 * Scan is finished or canceled. 3868 */ 3869 if (ps->pss_state == DSS_FINISHED) { 3870 uint64_t minutes_taken = (end - start) / 60; 3871 char *fmt; 3872 3873 if (ps->pss_func == POOL_SCAN_SCRUB) { 3874 fmt = gettext("scrub repaired %s in %lluh%um with " 3875 "%llu errors on %s"); 3876 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3877 fmt = gettext("resilvered %s in %lluh%um with " 3878 "%llu errors on %s"); 3879 } 3880 /* LINTED */ 3881 (void) printf(fmt, processed_buf, 3882 (u_longlong_t)(minutes_taken / 60), 3883 (uint_t)(minutes_taken % 60), 3884 (u_longlong_t)ps->pss_errors, 3885 ctime((time_t *)&end)); 3886 return; 3887 } else if (ps->pss_state == DSS_CANCELED) { 3888 if (ps->pss_func == POOL_SCAN_SCRUB) { 3889 (void) printf(gettext("scrub canceled on %s"), 3890 ctime(&end)); 3891 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3892 (void) printf(gettext("resilver canceled on %s"), 3893 ctime(&end)); 3894 } 3895 return; 3896 } 3897 3898 assert(ps->pss_state == DSS_SCANNING); 3899 3900 /* 3901 * Scan is in progress. 3902 */ 3903 if (ps->pss_func == POOL_SCAN_SCRUB) { 3904 (void) printf(gettext("scrub in progress since %s"), 3905 ctime(&start)); 3906 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3907 (void) printf(gettext("resilver in progress since %s"), 3908 ctime(&start)); 3909 } 3910 3911 examined = ps->pss_examined ? ps->pss_examined : 1; 3912 total = ps->pss_to_examine; 3913 fraction_done = (double)examined / total; 3914 3915 /* elapsed time for this pass */ 3916 elapsed = time(NULL) - ps->pss_pass_start; 3917 elapsed = elapsed ? elapsed : 1; 3918 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1; 3919 rate = pass_exam / elapsed; 3920 rate = rate ? rate : 1; 3921 mins_left = ((total - examined) / rate) / 60; 3922 hours_left = mins_left / 60; 3923 3924 zfs_nicenum(examined, examined_buf, sizeof (examined_buf)); 3925 zfs_nicenum(total, total_buf, sizeof (total_buf)); 3926 zfs_nicenum(rate, rate_buf, sizeof (rate_buf)); 3927 3928 /* 3929 * do not print estimated time if hours_left is more than 30 days 3930 */ 3931 (void) printf(gettext(" %s scanned out of %s at %s/s"), 3932 examined_buf, total_buf, rate_buf); 3933 if (hours_left < (30 * 24)) { 3934 (void) printf(gettext(", %lluh%um to go\n"), 3935 (u_longlong_t)hours_left, (uint_t)(mins_left % 60)); 3936 } else { 3937 (void) printf(gettext( 3938 ", (scan is slow, no estimated time)\n")); 3939 } 3940 3941 if (ps->pss_func == POOL_SCAN_RESILVER) { 3942 (void) printf(gettext(" %s resilvered, %.2f%% done\n"), 3943 processed_buf, 100 * fraction_done); 3944 } else if (ps->pss_func == POOL_SCAN_SCRUB) { 3945 (void) printf(gettext(" %s repaired, %.2f%% done\n"), 3946 processed_buf, 100 * fraction_done); 3947 } 3948} 3949 3950static void 3951print_error_log(zpool_handle_t *zhp) 3952{ 3953 nvlist_t *nverrlist = NULL; 3954 nvpair_t *elem; 3955 char *pathname; 3956 size_t len = MAXPATHLEN * 2; 3957 3958 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3959 (void) printf("errors: List of errors unavailable " 3960 "(insufficient privileges)\n"); 3961 return; 3962 } 3963 3964 (void) printf("errors: Permanent errors have been " 3965 "detected in the following files:\n\n"); 3966 3967 pathname = safe_malloc(len); 3968 elem = NULL; 3969 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 3970 nvlist_t *nv; 3971 uint64_t dsobj, obj; 3972 3973 verify(nvpair_value_nvlist(elem, &nv) == 0); 3974 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 3975 &dsobj) == 0); 3976 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 3977 &obj) == 0); 3978 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 3979 (void) printf("%7s %s\n", "", pathname); 3980 } 3981 free(pathname); 3982 nvlist_free(nverrlist); 3983} 3984 3985static void 3986print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 3987 int namewidth) 3988{ 3989 uint_t i; 3990 char *name; 3991 3992 if (nspares == 0) 3993 return; 3994 3995 (void) printf(gettext("\tspares\n")); 3996 3997 for (i = 0; i < nspares; i++) { 3998 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 3999 print_status_config(zhp, name, spares[i], 4000 namewidth, 2, B_TRUE); 4001 free(name); 4002 } 4003} 4004 4005static void 4006print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 4007 int namewidth) 4008{ 4009 uint_t i; 4010 char *name; 4011 4012 if (nl2cache == 0) 4013 return; 4014 4015 (void) printf(gettext("\tcache\n")); 4016 4017 for (i = 0; i < nl2cache; i++) { 4018 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 4019 print_status_config(zhp, name, l2cache[i], 4020 namewidth, 2, B_FALSE); 4021 free(name); 4022 } 4023} 4024 4025static void 4026print_dedup_stats(nvlist_t *config) 4027{ 4028 ddt_histogram_t *ddh; 4029 ddt_stat_t *dds; 4030 ddt_object_t *ddo; 4031 uint_t c; 4032 4033 /* 4034 * If the pool was faulted then we may not have been able to 4035 * obtain the config. Otherwise, if we have anything in the dedup 4036 * table continue processing the stats. 4037 */ 4038 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 4039 (uint64_t **)&ddo, &c) != 0) 4040 return; 4041 4042 (void) printf("\n"); 4043 (void) printf(gettext(" dedup: ")); 4044 if (ddo->ddo_count == 0) { 4045 (void) printf(gettext("no DDT entries\n")); 4046 return; 4047 } 4048 4049 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 4050 (u_longlong_t)ddo->ddo_count, 4051 (u_longlong_t)ddo->ddo_dspace, 4052 (u_longlong_t)ddo->ddo_mspace); 4053 4054 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 4055 (uint64_t **)&dds, &c) == 0); 4056 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 4057 (uint64_t **)&ddh, &c) == 0); 4058 zpool_dump_ddt(dds, ddh); 4059} 4060 4061/* 4062 * Display a summary of pool status. Displays a summary such as: 4063 * 4064 * pool: tank 4065 * status: DEGRADED 4066 * reason: One or more devices ... 4067 * see: http://illumos.org/msg/ZFS-xxxx-01 4068 * config: 4069 * mirror DEGRADED 4070 * c1t0d0 OK 4071 * c2t0d0 UNAVAIL 4072 * 4073 * When given the '-v' option, we print out the complete config. If the '-e' 4074 * option is specified, then we print out error rate information as well. 4075 */ 4076int 4077status_callback(zpool_handle_t *zhp, void *data) 4078{ 4079 status_cbdata_t *cbp = data; 4080 nvlist_t *config, *nvroot; 4081 char *msgid; 4082 int reason; 4083 const char *health; 4084 uint_t c; 4085 vdev_stat_t *vs; 4086 4087 config = zpool_get_config(zhp, NULL); 4088 reason = zpool_get_status(zhp, &msgid); 4089 4090 cbp->cb_count++; 4091 4092 /* 4093 * If we were given 'zpool status -x', only report those pools with 4094 * problems. 4095 */ 4096 if (cbp->cb_explain && 4097 (reason == ZPOOL_STATUS_OK || 4098 reason == ZPOOL_STATUS_VERSION_OLDER || 4099 reason == ZPOOL_STATUS_FEAT_DISABLED)) { 4100 if (!cbp->cb_allpools) { 4101 (void) printf(gettext("pool '%s' is healthy\n"), 4102 zpool_get_name(zhp)); 4103 if (cbp->cb_first) 4104 cbp->cb_first = B_FALSE; 4105 } 4106 return (0); 4107 } 4108 4109 if (cbp->cb_first) 4110 cbp->cb_first = B_FALSE; 4111 else 4112 (void) printf("\n"); 4113 4114 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 4115 &nvroot) == 0); 4116 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 4117 (uint64_t **)&vs, &c) == 0); 4118 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 4119 4120 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 4121 (void) printf(gettext(" state: %s\n"), health); 4122 4123 switch (reason) { 4124 case ZPOOL_STATUS_MISSING_DEV_R: 4125 (void) printf(gettext("status: One or more devices could not " 4126 "be opened. Sufficient replicas exist for\n\tthe pool to " 4127 "continue functioning in a degraded state.\n")); 4128 (void) printf(gettext("action: Attach the missing device and " 4129 "online it using 'zpool online'.\n")); 4130 break; 4131 4132 case ZPOOL_STATUS_MISSING_DEV_NR: 4133 (void) printf(gettext("status: One or more devices could not " 4134 "be opened. There are insufficient\n\treplicas for the " 4135 "pool to continue functioning.\n")); 4136 (void) printf(gettext("action: Attach the missing device and " 4137 "online it using 'zpool online'.\n")); 4138 break; 4139 4140 case ZPOOL_STATUS_CORRUPT_LABEL_R: 4141 (void) printf(gettext("status: One or more devices could not " 4142 "be used because the label is missing or\n\tinvalid. " 4143 "Sufficient replicas exist for the pool to continue\n\t" 4144 "functioning in a degraded state.\n")); 4145 (void) printf(gettext("action: Replace the device using " 4146 "'zpool replace'.\n")); 4147 break; 4148 4149 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 4150 (void) printf(gettext("status: One or more devices could not " 4151 "be used because the label is missing \n\tor invalid. " 4152 "There are insufficient replicas for the pool to " 4153 "continue\n\tfunctioning.\n")); 4154 zpool_explain_recover(zpool_get_handle(zhp), 4155 zpool_get_name(zhp), reason, config); 4156 break; 4157 4158 case ZPOOL_STATUS_FAILING_DEV: 4159 (void) printf(gettext("status: One or more devices has " 4160 "experienced an unrecoverable error. An\n\tattempt was " 4161 "made to correct the error. Applications are " 4162 "unaffected.\n")); 4163 (void) printf(gettext("action: Determine if the device needs " 4164 "to be replaced, and clear the errors\n\tusing " 4165 "'zpool clear' or replace the device with 'zpool " 4166 "replace'.\n")); 4167 break; 4168 4169 case ZPOOL_STATUS_OFFLINE_DEV: 4170 (void) printf(gettext("status: One or more devices has " 4171 "been taken offline by the administrator.\n\tSufficient " 4172 "replicas exist for the pool to continue functioning in " 4173 "a\n\tdegraded state.\n")); 4174 (void) printf(gettext("action: Online the device using " 4175 "'zpool online' or replace the device with\n\t'zpool " 4176 "replace'.\n")); 4177 break; 4178 4179 case ZPOOL_STATUS_REMOVED_DEV: 4180 (void) printf(gettext("status: One or more devices has " 4181 "been removed by the administrator.\n\tSufficient " 4182 "replicas exist for the pool to continue functioning in " 4183 "a\n\tdegraded state.\n")); 4184 (void) printf(gettext("action: Online the device using " 4185 "'zpool online' or replace the device with\n\t'zpool " 4186 "replace'.\n")); 4187 break; 4188 4189 case ZPOOL_STATUS_RESILVERING: 4190 (void) printf(gettext("status: One or more devices is " 4191 "currently being resilvered. The pool will\n\tcontinue " 4192 "to function, possibly in a degraded state.\n")); 4193 (void) printf(gettext("action: Wait for the resilver to " 4194 "complete.\n")); 4195 break; 4196 4197 case ZPOOL_STATUS_CORRUPT_DATA: 4198 (void) printf(gettext("status: One or more devices has " 4199 "experienced an error resulting in data\n\tcorruption. " 4200 "Applications may be affected.\n")); 4201 (void) printf(gettext("action: Restore the file in question " 4202 "if possible. Otherwise restore the\n\tentire pool from " 4203 "backup.\n")); 4204 break; 4205 4206 case ZPOOL_STATUS_CORRUPT_POOL: 4207 (void) printf(gettext("status: The pool metadata is corrupted " 4208 "and the pool cannot be opened.\n")); 4209 zpool_explain_recover(zpool_get_handle(zhp), 4210 zpool_get_name(zhp), reason, config); 4211 break; 4212 4213 case ZPOOL_STATUS_VERSION_OLDER: 4214 (void) printf(gettext("status: The pool is formatted using a " 4215 "legacy on-disk format. The pool can\n\tstill be used, " 4216 "but some features are unavailable.\n")); 4217 (void) printf(gettext("action: Upgrade the pool using 'zpool " 4218 "upgrade'. Once this is done, the\n\tpool will no longer " 4219 "be accessible on software that does not support feature\n" 4220 "\tflags.\n")); 4221 break; 4222 4223 case ZPOOL_STATUS_VERSION_NEWER: 4224 (void) printf(gettext("status: The pool has been upgraded to a " 4225 "newer, incompatible on-disk version.\n\tThe pool cannot " 4226 "be accessed on this system.\n")); 4227 (void) printf(gettext("action: Access the pool from a system " 4228 "running more recent software, or\n\trestore the pool from " 4229 "backup.\n")); 4230 break; 4231 4232 case ZPOOL_STATUS_FEAT_DISABLED: 4233 (void) printf(gettext("status: Some supported features are not " 4234 "enabled on the pool. The pool can\n\tstill be used, but " 4235 "some features are unavailable.\n")); 4236 (void) printf(gettext("action: Enable all features using " 4237 "'zpool upgrade'. Once this is done,\n\tthe pool may no " 4238 "longer be accessible by software that does not support\n\t" 4239 "the features. See zpool-features(7) for details.\n")); 4240 break; 4241 4242 case ZPOOL_STATUS_UNSUP_FEAT_READ: 4243 (void) printf(gettext("status: The pool cannot be accessed on " 4244 "this system because it uses the\n\tfollowing feature(s) " 4245 "not supported on this system:\n")); 4246 zpool_print_unsup_feat(config); 4247 (void) printf("\n"); 4248 (void) printf(gettext("action: Access the pool from a system " 4249 "that supports the required feature(s),\n\tor restore the " 4250 "pool from backup.\n")); 4251 break; 4252 4253 case ZPOOL_STATUS_UNSUP_FEAT_WRITE: 4254 (void) printf(gettext("status: The pool can only be accessed " 4255 "in read-only mode on this system. It\n\tcannot be " 4256 "accessed in read-write mode because it uses the " 4257 "following\n\tfeature(s) not supported on this system:\n")); 4258 zpool_print_unsup_feat(config); 4259 (void) printf("\n"); 4260 (void) printf(gettext("action: The pool cannot be accessed in " 4261 "read-write mode. Import the pool with\n" 4262 "\t\"-o readonly=on\", access the pool from a system that " 4263 "supports the\n\trequired feature(s), or restore the " 4264 "pool from backup.\n")); 4265 break; 4266 4267 case ZPOOL_STATUS_FAULTED_DEV_R: 4268 (void) printf(gettext("status: One or more devices are " 4269 "faulted in response to persistent errors.\n\tSufficient " 4270 "replicas exist for the pool to continue functioning " 4271 "in a\n\tdegraded state.\n")); 4272 (void) printf(gettext("action: Replace the faulted device, " 4273 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 4274 break; 4275 4276 case ZPOOL_STATUS_FAULTED_DEV_NR: 4277 (void) printf(gettext("status: One or more devices are " 4278 "faulted in response to persistent errors. There are " 4279 "insufficient replicas for the pool to\n\tcontinue " 4280 "functioning.\n")); 4281 (void) printf(gettext("action: Destroy and re-create the pool " 4282 "from a backup source. Manually marking the device\n" 4283 "\trepaired using 'zpool clear' may allow some data " 4284 "to be recovered.\n")); 4285 break; 4286 4287 case ZPOOL_STATUS_IO_FAILURE_WAIT: 4288 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 4289 (void) printf(gettext("status: One or more devices are " 4290 "faulted in response to IO failures.\n")); 4291 (void) printf(gettext("action: Make sure the affected devices " 4292 "are connected, then run 'zpool clear'.\n")); 4293 break; 4294 4295 case ZPOOL_STATUS_BAD_LOG: 4296 (void) printf(gettext("status: An intent log record " 4297 "could not be read.\n" 4298 "\tWaiting for adminstrator intervention to fix the " 4299 "faulted pool.\n")); 4300 (void) printf(gettext("action: Either restore the affected " 4301 "device(s) and run 'zpool online',\n" 4302 "\tor ignore the intent log records by running " 4303 "'zpool clear'.\n")); 4304 break; 4305 4306 case ZPOOL_STATUS_NON_NATIVE_ASHIFT: 4307 (void) printf(gettext("status: One or more devices are " 4308 "configured to use a non-native block size.\n" 4309 "\tExpect reduced performance.\n")); 4310 (void) printf(gettext("action: Replace affected devices with " 4311 "devices that support the\n\tconfigured block size, or " 4312 "migrate data to a properly configured\n\tpool.\n")); 4313 break; 4314 4315 default: 4316 /* 4317 * The remaining errors can't actually be generated, yet. 4318 */ 4319 assert(reason == ZPOOL_STATUS_OK); 4320 } 4321 4322 if (msgid != NULL) 4323 (void) printf(gettext(" see: http://illumos.org/msg/%s\n"), 4324 msgid); 4325 4326 if (config != NULL) { 4327 int namewidth; 4328 uint64_t nerr; 4329 nvlist_t **spares, **l2cache; 4330 uint_t nspares, nl2cache; 4331 pool_scan_stat_t *ps = NULL; 4332 4333 (void) nvlist_lookup_uint64_array(nvroot, 4334 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c); 4335 print_scan_status(ps); 4336 4337 namewidth = max_width(zhp, nvroot, 0, 0); 4338 if (namewidth < 10) 4339 namewidth = 10; 4340 4341 (void) printf(gettext("config:\n\n")); 4342 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 4343 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 4344 print_status_config(zhp, zpool_get_name(zhp), nvroot, 4345 namewidth, 0, B_FALSE); 4346 4347 if (num_logs(nvroot) > 0) 4348 print_logs(zhp, nvroot, namewidth, B_TRUE); 4349 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 4350 &l2cache, &nl2cache) == 0) 4351 print_l2cache(zhp, l2cache, nl2cache, namewidth); 4352 4353 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 4354 &spares, &nspares) == 0) 4355 print_spares(zhp, spares, nspares, namewidth); 4356 4357 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 4358 &nerr) == 0) { 4359 nvlist_t *nverrlist = NULL; 4360 4361 /* 4362 * If the approximate error count is small, get a 4363 * precise count by fetching the entire log and 4364 * uniquifying the results. 4365 */ 4366 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 4367 zpool_get_errlog(zhp, &nverrlist) == 0) { 4368 nvpair_t *elem; 4369 4370 elem = NULL; 4371 nerr = 0; 4372 while ((elem = nvlist_next_nvpair(nverrlist, 4373 elem)) != NULL) { 4374 nerr++; 4375 } 4376 } 4377 nvlist_free(nverrlist); 4378 4379 (void) printf("\n"); 4380 4381 if (nerr == 0) 4382 (void) printf(gettext("errors: No known data " 4383 "errors\n")); 4384 else if (!cbp->cb_verbose) 4385 (void) printf(gettext("errors: %llu data " 4386 "errors, use '-v' for a list\n"), 4387 (u_longlong_t)nerr); 4388 else 4389 print_error_log(zhp); 4390 } 4391 4392 if (cbp->cb_dedup_stats) 4393 print_dedup_stats(config); 4394 } else { 4395 (void) printf(gettext("config: The configuration cannot be " 4396 "determined.\n")); 4397 } 4398 4399 return (0); 4400} 4401 4402/* 4403 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]] 4404 * 4405 * -v Display complete error logs 4406 * -x Display only pools with potential problems 4407 * -D Display dedup status (undocumented) 4408 * -T Display a timestamp in date(1) or Unix format 4409 * 4410 * Describes the health status of all pools or some subset. 4411 */ 4412int 4413zpool_do_status(int argc, char **argv) 4414{ 4415 int c; 4416 int ret; 4417 unsigned long interval = 0, count = 0; 4418 status_cbdata_t cb = { 0 }; 4419 4420 /* check options */ 4421 while ((c = getopt(argc, argv, "vxDT:")) != -1) { 4422 switch (c) { 4423 case 'v': 4424 cb.cb_verbose = B_TRUE; 4425 break; 4426 case 'x': 4427 cb.cb_explain = B_TRUE; 4428 break; 4429 case 'D': 4430 cb.cb_dedup_stats = B_TRUE; 4431 break; 4432 case 'T': 4433 get_timestamp_arg(*optarg); 4434 break; 4435 case '?': 4436 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4437 optopt); 4438 usage(B_FALSE); 4439 } 4440 } 4441 4442 argc -= optind; 4443 argv += optind; 4444 4445 get_interval_count(&argc, argv, &interval, &count); 4446 4447 if (argc == 0) 4448 cb.cb_allpools = B_TRUE; 4449 4450 cb.cb_first = B_TRUE; 4451 4452 for (;;) { 4453 if (timestamp_fmt != NODATE) 4454 print_timestamp(timestamp_fmt); 4455 4456 ret = for_each_pool(argc, argv, B_TRUE, NULL, 4457 status_callback, &cb); 4458 4459 if (argc == 0 && cb.cb_count == 0) 4460 (void) printf(gettext("no pools available\n")); 4461 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 4462 (void) printf(gettext("all pools are healthy\n")); 4463 4464 if (ret != 0) 4465 return (ret); 4466 4467 if (interval == 0) 4468 break; 4469 4470 if (count != 0 && --count == 0) 4471 break; 4472 4473 (void) sleep(interval); 4474 } 4475 4476 return (0); 4477} 4478 4479typedef struct upgrade_cbdata { 4480 int cb_first; 4481 char cb_poolname[ZPOOL_MAXNAMELEN]; 4482 int cb_argc; 4483 uint64_t cb_version; 4484 char **cb_argv; 4485} upgrade_cbdata_t; 4486 4487#ifdef __FreeBSD__ 4488static int 4489is_root_pool(zpool_handle_t *zhp) 4490{ 4491 static struct statfs sfs; 4492 static char *poolname = NULL; 4493 static boolean_t stated = B_FALSE; 4494 char *slash; 4495 4496 if (!stated) { 4497 stated = B_TRUE; 4498 if (statfs("/", &sfs) == -1) { 4499 (void) fprintf(stderr, 4500 "Unable to stat root file system: %s.\n", 4501 strerror(errno)); 4502 return (0); 4503 } 4504 if (strcmp(sfs.f_fstypename, "zfs") != 0) 4505 return (0); 4506 poolname = sfs.f_mntfromname; 4507 if ((slash = strchr(poolname, '/')) != NULL) 4508 *slash = '\0'; 4509 } 4510 return (poolname != NULL && strcmp(poolname, zpool_get_name(zhp)) == 0); 4511} 4512 4513static void 4514root_pool_upgrade_check(zpool_handle_t *zhp, char *poolname, int size) { 4515 4516 if (poolname[0] == '\0' && is_root_pool(zhp)) 4517 (void) strlcpy(poolname, zpool_get_name(zhp), size); 4518} 4519#endif /* FreeBSD */ 4520 4521static int 4522upgrade_version(zpool_handle_t *zhp, uint64_t version) 4523{ 4524 int ret; 4525 nvlist_t *config; 4526 uint64_t oldversion; 4527 4528 config = zpool_get_config(zhp, NULL); 4529 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4530 &oldversion) == 0); 4531 4532 assert(SPA_VERSION_IS_SUPPORTED(oldversion)); 4533 assert(oldversion < version); 4534 4535 ret = zpool_upgrade(zhp, version); 4536 if (ret != 0) 4537 return (ret); 4538 4539 if (version >= SPA_VERSION_FEATURES) { 4540 (void) printf(gettext("Successfully upgraded " 4541 "'%s' from version %llu to feature flags.\n"), 4542 zpool_get_name(zhp), oldversion); 4543 } else { 4544 (void) printf(gettext("Successfully upgraded " 4545 "'%s' from version %llu to version %llu.\n"), 4546 zpool_get_name(zhp), oldversion, version); 4547 } 4548 4549 return (0); 4550} 4551 4552static int 4553upgrade_enable_all(zpool_handle_t *zhp, int *countp) 4554{ 4555 int i, ret, count; 4556 boolean_t firstff = B_TRUE; 4557 nvlist_t *enabled = zpool_get_features(zhp); 4558 4559 count = 0; 4560 for (i = 0; i < SPA_FEATURES; i++) { 4561 const char *fname = spa_feature_table[i].fi_uname; 4562 const char *fguid = spa_feature_table[i].fi_guid; 4563 if (!nvlist_exists(enabled, fguid)) { 4564 char *propname; 4565 verify(-1 != asprintf(&propname, "feature@%s", fname)); 4566 ret = zpool_set_prop(zhp, propname, 4567 ZFS_FEATURE_ENABLED); 4568 if (ret != 0) { 4569 free(propname); 4570 return (ret); 4571 } 4572 count++; 4573 4574 if (firstff) { 4575 (void) printf(gettext("Enabled the " 4576 "following features on '%s':\n"), 4577 zpool_get_name(zhp)); 4578 firstff = B_FALSE; 4579 } 4580 (void) printf(gettext(" %s\n"), fname); 4581 free(propname); 4582 } 4583 } 4584 4585 if (countp != NULL) 4586 *countp = count; 4587 return (0); 4588} 4589 4590static int 4591upgrade_cb(zpool_handle_t *zhp, void *arg) 4592{ 4593 upgrade_cbdata_t *cbp = arg; 4594 nvlist_t *config; 4595 uint64_t version; 4596 boolean_t printnl = B_FALSE; 4597 int ret; 4598 4599 config = zpool_get_config(zhp, NULL); 4600 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4601 &version) == 0); 4602 4603 assert(SPA_VERSION_IS_SUPPORTED(version)); 4604 4605 if (version < cbp->cb_version) { 4606 cbp->cb_first = B_FALSE; 4607 ret = upgrade_version(zhp, cbp->cb_version); 4608 if (ret != 0) 4609 return (ret); 4610#ifdef __FreeBSD__ 4611 root_pool_upgrade_check(zhp, cbp->cb_poolname, 4612 sizeof(cbp->cb_poolname)); 4613#endif /* ___FreeBSD__ */ 4614 printnl = B_TRUE; 4615 4616#ifdef illumos 4617 /* 4618 * If they did "zpool upgrade -a", then we could 4619 * be doing ioctls to different pools. We need 4620 * to log this history once to each pool, and bypass 4621 * the normal history logging that happens in main(). 4622 */ 4623 (void) zpool_log_history(g_zfs, history_str); 4624 log_history = B_FALSE; 4625#endif 4626 } 4627 4628 if (cbp->cb_version >= SPA_VERSION_FEATURES) { 4629 int count; 4630 ret = upgrade_enable_all(zhp, &count); 4631 if (ret != 0) 4632 return (ret); 4633 4634 if (count > 0) { 4635 cbp->cb_first = B_FALSE; 4636 printnl = B_TRUE; 4637 /* 4638 * If they did "zpool upgrade -a", then we could 4639 * be doing ioctls to different pools. We need 4640 * to log this history once to each pool, and bypass 4641 * the normal history logging that happens in main(). 4642 */ 4643 (void) zpool_log_history(g_zfs, history_str); 4644 log_history = B_FALSE; 4645 } 4646 } 4647 4648 if (printnl) { 4649 (void) printf(gettext("\n")); 4650 } 4651 4652 return (0); 4653} 4654 4655static int 4656upgrade_list_older_cb(zpool_handle_t *zhp, void *arg) 4657{ 4658 upgrade_cbdata_t *cbp = arg; 4659 nvlist_t *config; 4660 uint64_t version; 4661 4662 config = zpool_get_config(zhp, NULL); 4663 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4664 &version) == 0); 4665 4666 assert(SPA_VERSION_IS_SUPPORTED(version)); 4667 4668 if (version < SPA_VERSION_FEATURES) { 4669 if (cbp->cb_first) { 4670 (void) printf(gettext("The following pools are " 4671 "formatted with legacy version numbers and can\n" 4672 "be upgraded to use feature flags. After " 4673 "being upgraded, these pools\nwill no " 4674 "longer be accessible by software that does not " 4675 "support feature\nflags.\n\n")); 4676 (void) printf(gettext("VER POOL\n")); 4677 (void) printf(gettext("--- ------------\n")); 4678 cbp->cb_first = B_FALSE; 4679 } 4680 4681 (void) printf("%2llu %s\n", (u_longlong_t)version, 4682 zpool_get_name(zhp)); 4683 } 4684 4685 return (0); 4686} 4687 4688static int 4689upgrade_list_disabled_cb(zpool_handle_t *zhp, void *arg) 4690{ 4691 upgrade_cbdata_t *cbp = arg; 4692 nvlist_t *config; 4693 uint64_t version; 4694 4695 config = zpool_get_config(zhp, NULL); 4696 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4697 &version) == 0); 4698 4699 if (version >= SPA_VERSION_FEATURES) { 4700 int i; 4701 boolean_t poolfirst = B_TRUE; 4702 nvlist_t *enabled = zpool_get_features(zhp); 4703 4704 for (i = 0; i < SPA_FEATURES; i++) { 4705 const char *fguid = spa_feature_table[i].fi_guid; 4706 const char *fname = spa_feature_table[i].fi_uname; 4707 if (!nvlist_exists(enabled, fguid)) { 4708 if (cbp->cb_first) { 4709 (void) printf(gettext("\nSome " 4710 "supported features are not " 4711 "enabled on the following pools. " 4712 "Once a\nfeature is enabled the " 4713 "pool may become incompatible with " 4714 "software\nthat does not support " 4715 "the feature. See " 4716 "zpool-features(7) for " 4717 "details.\n\n")); 4718 (void) printf(gettext("POOL " 4719 "FEATURE\n")); 4720 (void) printf(gettext("------" 4721 "---------\n")); 4722 cbp->cb_first = B_FALSE; 4723 } 4724 4725 if (poolfirst) { 4726 (void) printf(gettext("%s\n"), 4727 zpool_get_name(zhp)); 4728 poolfirst = B_FALSE; 4729 } 4730 4731 (void) printf(gettext(" %s\n"), fname); 4732 } 4733 } 4734 } 4735 4736 return (0); 4737} 4738 4739/* ARGSUSED */ 4740static int 4741upgrade_one(zpool_handle_t *zhp, void *data) 4742{ 4743 boolean_t printnl = B_FALSE; 4744 upgrade_cbdata_t *cbp = data; 4745 uint64_t cur_version; 4746 int ret; 4747 4748 if (strcmp("log", zpool_get_name(zhp)) == 0) { 4749 (void) printf(gettext("'log' is now a reserved word\n" 4750 "Pool 'log' must be renamed using export and import" 4751 " to upgrade.\n")); 4752 return (1); 4753 } 4754 4755 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 4756 if (cur_version > cbp->cb_version) { 4757 (void) printf(gettext("Pool '%s' is already formatted " 4758 "using more current version '%llu'.\n\n"), 4759 zpool_get_name(zhp), cur_version); 4760 return (0); 4761 } 4762 4763 if (cbp->cb_version != SPA_VERSION && cur_version == cbp->cb_version) { 4764 (void) printf(gettext("Pool '%s' is already formatted " 4765 "using version %llu.\n\n"), zpool_get_name(zhp), 4766 cbp->cb_version); 4767 return (0); 4768 } 4769 4770 if (cur_version != cbp->cb_version) { 4771 printnl = B_TRUE; 4772 ret = upgrade_version(zhp, cbp->cb_version); 4773 if (ret != 0) 4774 return (ret); 4775#ifdef __FreeBSD__ 4776 root_pool_upgrade_check(zhp, cbp->cb_poolname, 4777 sizeof(cbp->cb_poolname)); 4778#endif /* ___FreeBSD__ */ 4779 } 4780 4781 if (cbp->cb_version >= SPA_VERSION_FEATURES) { 4782 int count = 0; 4783 ret = upgrade_enable_all(zhp, &count); 4784 if (ret != 0) 4785 return (ret); 4786 4787 if (count != 0) { 4788 printnl = B_TRUE; 4789#ifdef __FreeBSD__ 4790 root_pool_upgrade_check(zhp, cbp->cb_poolname, 4791 sizeof(cbp->cb_poolname)); 4792#endif /* __FreeBSD __*/ 4793 } else if (cur_version == SPA_VERSION) { 4794 (void) printf(gettext("Pool '%s' already has all " 4795 "supported features enabled.\n"), 4796 zpool_get_name(zhp)); 4797 } 4798 } 4799 4800 if (printnl) { 4801 (void) printf(gettext("\n")); 4802 } 4803 4804 return (0); 4805} 4806 4807/* 4808 * zpool upgrade 4809 * zpool upgrade -v 4810 * zpool upgrade [-V version] <-a | pool ...> 4811 * 4812 * With no arguments, display downrev'd ZFS pool available for upgrade. 4813 * Individual pools can be upgraded by specifying the pool, and '-a' will 4814 * upgrade all pools. 4815 */ 4816int 4817zpool_do_upgrade(int argc, char **argv) 4818{ 4819 int c; 4820 upgrade_cbdata_t cb = { 0 }; 4821 int ret = 0; 4822 boolean_t showversions = B_FALSE; 4823 boolean_t upgradeall = B_FALSE; 4824 char *end; 4825 4826 4827 /* check options */ 4828 while ((c = getopt(argc, argv, ":avV:")) != -1) { 4829 switch (c) { 4830 case 'a': 4831 upgradeall = B_TRUE; 4832 break; 4833 case 'v': 4834 showversions = B_TRUE; 4835 break; 4836 case 'V': 4837 cb.cb_version = strtoll(optarg, &end, 10); 4838 if (*end != '\0' || 4839 !SPA_VERSION_IS_SUPPORTED(cb.cb_version)) { 4840 (void) fprintf(stderr, 4841 gettext("invalid version '%s'\n"), optarg); 4842 usage(B_FALSE); 4843 } 4844 break; 4845 case ':': 4846 (void) fprintf(stderr, gettext("missing argument for " 4847 "'%c' option\n"), optopt); 4848 usage(B_FALSE); 4849 break; 4850 case '?': 4851 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4852 optopt); 4853 usage(B_FALSE); 4854 } 4855 } 4856 4857 cb.cb_argc = argc; 4858 cb.cb_argv = argv; 4859 argc -= optind; 4860 argv += optind; 4861 4862 if (cb.cb_version == 0) { 4863 cb.cb_version = SPA_VERSION; 4864 } else if (!upgradeall && argc == 0) { 4865 (void) fprintf(stderr, gettext("-V option is " 4866 "incompatible with other arguments\n")); 4867 usage(B_FALSE); 4868 } 4869 4870 if (showversions) { 4871 if (upgradeall || argc != 0) { 4872 (void) fprintf(stderr, gettext("-v option is " 4873 "incompatible with other arguments\n")); 4874 usage(B_FALSE); 4875 } 4876 } else if (upgradeall) { 4877 if (argc != 0) { 4878 (void) fprintf(stderr, gettext("-a option should not " 4879 "be used along with a pool name\n")); 4880 usage(B_FALSE); 4881 } 4882 } 4883 4884 (void) printf(gettext("This system supports ZFS pool feature " 4885 "flags.\n\n")); 4886 if (showversions) { 4887 int i; 4888 4889 (void) printf(gettext("The following features are " 4890 "supported:\n\n")); 4891 (void) printf(gettext("FEAT DESCRIPTION\n")); 4892 (void) printf("----------------------------------------------" 4893 "---------------\n"); 4894 for (i = 0; i < SPA_FEATURES; i++) { 4895 zfeature_info_t *fi = &spa_feature_table[i]; 4896 const char *ro = fi->fi_can_readonly ? 4897 " (read-only compatible)" : ""; 4898 4899 (void) printf("%-37s%s\n", fi->fi_uname, ro); 4900 (void) printf(" %s\n", fi->fi_desc); 4901 } 4902 (void) printf("\n"); 4903 4904 (void) printf(gettext("The following legacy versions are also " 4905 "supported:\n\n")); 4906 (void) printf(gettext("VER DESCRIPTION\n")); 4907 (void) printf("--- -----------------------------------------" 4908 "---------------\n"); 4909 (void) printf(gettext(" 1 Initial ZFS version\n")); 4910 (void) printf(gettext(" 2 Ditto blocks " 4911 "(replicated metadata)\n")); 4912 (void) printf(gettext(" 3 Hot spares and double parity " 4913 "RAID-Z\n")); 4914 (void) printf(gettext(" 4 zpool history\n")); 4915 (void) printf(gettext(" 5 Compression using the gzip " 4916 "algorithm\n")); 4917 (void) printf(gettext(" 6 bootfs pool property\n")); 4918 (void) printf(gettext(" 7 Separate intent log devices\n")); 4919 (void) printf(gettext(" 8 Delegated administration\n")); 4920 (void) printf(gettext(" 9 refquota and refreservation " 4921 "properties\n")); 4922 (void) printf(gettext(" 10 Cache devices\n")); 4923 (void) printf(gettext(" 11 Improved scrub performance\n")); 4924 (void) printf(gettext(" 12 Snapshot properties\n")); 4925 (void) printf(gettext(" 13 snapused property\n")); 4926 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 4927 (void) printf(gettext(" 15 user/group space accounting\n")); 4928 (void) printf(gettext(" 16 stmf property support\n")); 4929 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 4930 (void) printf(gettext(" 18 Snapshot user holds\n")); 4931 (void) printf(gettext(" 19 Log device removal\n")); 4932 (void) printf(gettext(" 20 Compression using zle " 4933 "(zero-length encoding)\n")); 4934 (void) printf(gettext(" 21 Deduplication\n")); 4935 (void) printf(gettext(" 22 Received properties\n")); 4936 (void) printf(gettext(" 23 Slim ZIL\n")); 4937 (void) printf(gettext(" 24 System attributes\n")); 4938 (void) printf(gettext(" 25 Improved scrub stats\n")); 4939 (void) printf(gettext(" 26 Improved snapshot deletion " 4940 "performance\n")); 4941 (void) printf(gettext(" 27 Improved snapshot creation " 4942 "performance\n")); 4943 (void) printf(gettext(" 28 Multiple vdev replacements\n")); 4944 (void) printf(gettext("\nFor more information on a particular " 4945 "version, including supported releases,\n")); 4946 (void) printf(gettext("see the ZFS Administration Guide.\n\n")); 4947 } else if (argc == 0 && upgradeall) { 4948 cb.cb_first = B_TRUE; 4949 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4950 if (ret == 0 && cb.cb_first) { 4951 if (cb.cb_version == SPA_VERSION) { 4952 (void) printf(gettext("All pools are already " 4953 "formatted using feature flags.\n\n")); 4954 (void) printf(gettext("Every feature flags " 4955 "pool already has all supported features " 4956 "enabled.\n")); 4957 } else { 4958 (void) printf(gettext("All pools are already " 4959 "formatted with version %llu or higher.\n"), 4960 cb.cb_version); 4961 } 4962 } 4963 } else if (argc == 0) { 4964 cb.cb_first = B_TRUE; 4965 ret = zpool_iter(g_zfs, upgrade_list_older_cb, &cb); 4966 assert(ret == 0); 4967 4968 if (cb.cb_first) { 4969 (void) printf(gettext("All pools are formatted " 4970 "using feature flags.\n\n")); 4971 } else { 4972 (void) printf(gettext("\nUse 'zpool upgrade -v' " 4973 "for a list of available legacy versions.\n")); 4974 } 4975 4976 cb.cb_first = B_TRUE; 4977 ret = zpool_iter(g_zfs, upgrade_list_disabled_cb, &cb); 4978 assert(ret == 0); 4979 4980 if (cb.cb_first) { 4981 (void) printf(gettext("Every feature flags pool has " 4982 "all supported features enabled.\n")); 4983 } else { 4984 (void) printf(gettext("\n")); 4985 } 4986 } else { 4987 ret = for_each_pool(argc, argv, B_FALSE, NULL, 4988 upgrade_one, &cb); 4989 } 4990 4991 if (cb.cb_poolname[0] != '\0') { 4992 (void) printf( 4993 "If you boot from pool '%s', don't forget to update boot code.\n" 4994 "Assuming you use GPT partitioning and da0 is your boot disk\n" 4995 "the following command will do it:\n" 4996 "\n" 4997 "\tgpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 da0\n\n", 4998 cb.cb_poolname); 4999 } 5000 5001 return (ret); 5002} 5003 5004typedef struct hist_cbdata { 5005 boolean_t first; 5006 boolean_t longfmt; 5007 boolean_t internal; 5008} hist_cbdata_t; 5009 5010/* 5011 * Print out the command history for a specific pool. 5012 */ 5013static int 5014get_history_one(zpool_handle_t *zhp, void *data) 5015{ 5016 nvlist_t *nvhis; 5017 nvlist_t **records; 5018 uint_t numrecords; 5019 int ret, i; 5020 hist_cbdata_t *cb = (hist_cbdata_t *)data; 5021 5022 cb->first = B_FALSE; 5023 5024 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 5025 5026 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 5027 return (ret); 5028 5029 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 5030 &records, &numrecords) == 0); 5031 for (i = 0; i < numrecords; i++) { 5032 nvlist_t *rec = records[i]; 5033 char tbuf[30] = ""; 5034 5035 if (nvlist_exists(rec, ZPOOL_HIST_TIME)) { 5036 time_t tsec; 5037 struct tm t; 5038 5039 tsec = fnvlist_lookup_uint64(records[i], 5040 ZPOOL_HIST_TIME); 5041 (void) localtime_r(&tsec, &t); 5042 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 5043 } 5044 5045 if (nvlist_exists(rec, ZPOOL_HIST_CMD)) { 5046 (void) printf("%s %s", tbuf, 5047 fnvlist_lookup_string(rec, ZPOOL_HIST_CMD)); 5048 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_EVENT)) { 5049 int ievent = 5050 fnvlist_lookup_uint64(rec, ZPOOL_HIST_INT_EVENT); 5051 if (!cb->internal) 5052 continue; 5053 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) { 5054 (void) printf("%s unrecognized record:\n", 5055 tbuf); 5056 dump_nvlist(rec, 4); 5057 continue; 5058 } 5059 (void) printf("%s [internal %s txg:%lld] %s", tbuf, 5060 zfs_history_event_names[ievent], 5061 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG), 5062 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_STR)); 5063 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_NAME)) { 5064 if (!cb->internal) 5065 continue; 5066 (void) printf("%s [txg:%lld] %s", tbuf, 5067 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG), 5068 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_NAME)); 5069 if (nvlist_exists(rec, ZPOOL_HIST_DSNAME)) { 5070 (void) printf(" %s (%llu)", 5071 fnvlist_lookup_string(rec, 5072 ZPOOL_HIST_DSNAME), 5073 fnvlist_lookup_uint64(rec, 5074 ZPOOL_HIST_DSID)); 5075 } 5076 (void) printf(" %s", fnvlist_lookup_string(rec, 5077 ZPOOL_HIST_INT_STR)); 5078 } else if (nvlist_exists(rec, ZPOOL_HIST_IOCTL)) { 5079 if (!cb->internal) 5080 continue; 5081 (void) printf("%s ioctl %s\n", tbuf, 5082 fnvlist_lookup_string(rec, ZPOOL_HIST_IOCTL)); 5083 if (nvlist_exists(rec, ZPOOL_HIST_INPUT_NVL)) { 5084 (void) printf(" input:\n"); 5085 dump_nvlist(fnvlist_lookup_nvlist(rec, 5086 ZPOOL_HIST_INPUT_NVL), 8); 5087 } 5088 if (nvlist_exists(rec, ZPOOL_HIST_OUTPUT_NVL)) { 5089 (void) printf(" output:\n"); 5090 dump_nvlist(fnvlist_lookup_nvlist(rec, 5091 ZPOOL_HIST_OUTPUT_NVL), 8); 5092 } 5093 } else { 5094 if (!cb->internal) 5095 continue; 5096 (void) printf("%s unrecognized record:\n", tbuf); 5097 dump_nvlist(rec, 4); 5098 } 5099 5100 if (!cb->longfmt) { 5101 (void) printf("\n"); 5102 continue; 5103 } 5104 (void) printf(" ["); 5105 if (nvlist_exists(rec, ZPOOL_HIST_WHO)) { 5106 uid_t who = fnvlist_lookup_uint64(rec, ZPOOL_HIST_WHO); 5107 struct passwd *pwd = getpwuid(who); 5108 (void) printf("user %d ", (int)who); 5109 if (pwd != NULL) 5110 (void) printf("(%s) ", pwd->pw_name); 5111 } 5112 if (nvlist_exists(rec, ZPOOL_HIST_HOST)) { 5113 (void) printf("on %s", 5114 fnvlist_lookup_string(rec, ZPOOL_HIST_HOST)); 5115 } 5116 if (nvlist_exists(rec, ZPOOL_HIST_ZONE)) { 5117 (void) printf(":%s", 5118 fnvlist_lookup_string(rec, ZPOOL_HIST_ZONE)); 5119 } 5120 (void) printf("]"); 5121 (void) printf("\n"); 5122 } 5123 (void) printf("\n"); 5124 nvlist_free(nvhis); 5125 5126 return (ret); 5127} 5128 5129/* 5130 * zpool history <pool> 5131 * 5132 * Displays the history of commands that modified pools. 5133 */ 5134int 5135zpool_do_history(int argc, char **argv) 5136{ 5137 hist_cbdata_t cbdata = { 0 }; 5138 int ret; 5139 int c; 5140 5141 cbdata.first = B_TRUE; 5142 /* check options */ 5143 while ((c = getopt(argc, argv, "li")) != -1) { 5144 switch (c) { 5145 case 'l': 5146 cbdata.longfmt = B_TRUE; 5147 break; 5148 case 'i': 5149 cbdata.internal = B_TRUE; 5150 break; 5151 case '?': 5152 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5153 optopt); 5154 usage(B_FALSE); 5155 } 5156 } 5157 argc -= optind; 5158 argv += optind; 5159 5160 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 5161 &cbdata); 5162 5163 if (argc == 0 && cbdata.first == B_TRUE) { 5164 (void) printf(gettext("no pools available\n")); 5165 return (0); 5166 } 5167 5168 return (ret); 5169} 5170 5171static int 5172get_callback(zpool_handle_t *zhp, void *data) 5173{ 5174 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 5175 char value[MAXNAMELEN]; 5176 zprop_source_t srctype; 5177 zprop_list_t *pl; 5178 5179 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 5180 5181 /* 5182 * Skip the special fake placeholder. This will also skip 5183 * over the name property when 'all' is specified. 5184 */ 5185 if (pl->pl_prop == ZPOOL_PROP_NAME && 5186 pl == cbp->cb_proplist) 5187 continue; 5188 5189 if (pl->pl_prop == ZPROP_INVAL && 5190 (zpool_prop_feature(pl->pl_user_prop) || 5191 zpool_prop_unsupported(pl->pl_user_prop))) { 5192 srctype = ZPROP_SRC_LOCAL; 5193 5194 if (zpool_prop_get_feature(zhp, pl->pl_user_prop, 5195 value, sizeof (value)) == 0) { 5196 zprop_print_one_property(zpool_get_name(zhp), 5197 cbp, pl->pl_user_prop, value, srctype, 5198 NULL, NULL); 5199 } 5200 } else { 5201 if (zpool_get_prop(zhp, pl->pl_prop, value, 5202 sizeof (value), &srctype) != 0) 5203 continue; 5204 5205 zprop_print_one_property(zpool_get_name(zhp), cbp, 5206 zpool_prop_to_name(pl->pl_prop), value, srctype, 5207 NULL, NULL); 5208 } 5209 } 5210 return (0); 5211} 5212 5213int 5214zpool_do_get(int argc, char **argv) 5215{ 5216 zprop_get_cbdata_t cb = { 0 }; 5217 zprop_list_t fake_name = { 0 }; 5218 int ret; 5219 5220 if (argc < 2) { 5221 (void) fprintf(stderr, gettext("missing property " 5222 "argument\n")); 5223 usage(B_FALSE); 5224 } 5225 5226 cb.cb_first = B_TRUE; 5227 cb.cb_sources = ZPROP_SRC_ALL; 5228 cb.cb_columns[0] = GET_COL_NAME; 5229 cb.cb_columns[1] = GET_COL_PROPERTY; 5230 cb.cb_columns[2] = GET_COL_VALUE; 5231 cb.cb_columns[3] = GET_COL_SOURCE; 5232 cb.cb_type = ZFS_TYPE_POOL; 5233 5234 if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist, 5235 ZFS_TYPE_POOL) != 0) 5236 usage(B_FALSE); 5237 5238 if (cb.cb_proplist != NULL) { 5239 fake_name.pl_prop = ZPOOL_PROP_NAME; 5240 fake_name.pl_width = strlen(gettext("NAME")); 5241 fake_name.pl_next = cb.cb_proplist; 5242 cb.cb_proplist = &fake_name; 5243 } 5244 5245 ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist, 5246 get_callback, &cb); 5247 5248 if (cb.cb_proplist == &fake_name) 5249 zprop_free_list(fake_name.pl_next); 5250 else 5251 zprop_free_list(cb.cb_proplist); 5252 5253 return (ret); 5254} 5255 5256typedef struct set_cbdata { 5257 char *cb_propname; 5258 char *cb_value; 5259 boolean_t cb_any_successful; 5260} set_cbdata_t; 5261 5262int 5263set_callback(zpool_handle_t *zhp, void *data) 5264{ 5265 int error; 5266 set_cbdata_t *cb = (set_cbdata_t *)data; 5267 5268 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 5269 5270 if (!error) 5271 cb->cb_any_successful = B_TRUE; 5272 5273 return (error); 5274} 5275 5276int 5277zpool_do_set(int argc, char **argv) 5278{ 5279 set_cbdata_t cb = { 0 }; 5280 int error; 5281 5282 if (argc > 1 && argv[1][0] == '-') { 5283 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5284 argv[1][1]); 5285 usage(B_FALSE); 5286 } 5287 5288 if (argc < 2) { 5289 (void) fprintf(stderr, gettext("missing property=value " 5290 "argument\n")); 5291 usage(B_FALSE); 5292 } 5293 5294 if (argc < 3) { 5295 (void) fprintf(stderr, gettext("missing pool name\n")); 5296 usage(B_FALSE); 5297 } 5298 5299 if (argc > 3) { 5300 (void) fprintf(stderr, gettext("too many pool names\n")); 5301 usage(B_FALSE); 5302 } 5303 5304 cb.cb_propname = argv[1]; 5305 cb.cb_value = strchr(cb.cb_propname, '='); 5306 if (cb.cb_value == NULL) { 5307 (void) fprintf(stderr, gettext("missing value in " 5308 "property=value argument\n")); 5309 usage(B_FALSE); 5310 } 5311 5312 *(cb.cb_value) = '\0'; 5313 cb.cb_value++; 5314 5315 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 5316 set_callback, &cb); 5317 5318 return (error); 5319} 5320 5321static int 5322find_command_idx(char *command, int *idx) 5323{ 5324 int i; 5325 5326 for (i = 0; i < NCOMMAND; i++) { 5327 if (command_table[i].name == NULL) 5328 continue; 5329 5330 if (strcmp(command, command_table[i].name) == 0) { 5331 *idx = i; 5332 return (0); 5333 } 5334 } 5335 return (1); 5336} 5337 5338int 5339main(int argc, char **argv) 5340{ 5341 int ret; 5342 int i; 5343 char *cmdname; 5344 5345 (void) setlocale(LC_ALL, ""); 5346 (void) textdomain(TEXT_DOMAIN); 5347 5348 if ((g_zfs = libzfs_init()) == NULL) { 5349 (void) fprintf(stderr, gettext("internal error: failed to " 5350 "initialize ZFS library\n")); 5351 return (1); 5352 } 5353 5354 libzfs_print_on_error(g_zfs, B_TRUE); 5355 5356 opterr = 0; 5357 5358 /* 5359 * Make sure the user has specified some command. 5360 */ 5361 if (argc < 2) { 5362 (void) fprintf(stderr, gettext("missing command\n")); 5363 usage(B_FALSE); 5364 } 5365 5366 cmdname = argv[1]; 5367 5368 /* 5369 * Special case '-?' 5370 */ 5371 if (strcmp(cmdname, "-?") == 0) 5372 usage(B_TRUE); 5373 5374 zfs_save_arguments(argc, argv, history_str, sizeof (history_str)); 5375 5376 /* 5377 * Run the appropriate command. 5378 */ 5379 if (find_command_idx(cmdname, &i) == 0) { 5380 current_command = &command_table[i]; 5381 ret = command_table[i].func(argc - 1, argv + 1); 5382 } else if (strchr(cmdname, '=')) { 5383 verify(find_command_idx("set", &i) == 0); 5384 current_command = &command_table[i]; 5385 ret = command_table[i].func(argc, argv); 5386 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 5387 /* 5388 * 'freeze' is a vile debugging abomination, so we treat 5389 * it as such. 5390 */ 5391 zfs_cmd_t zc = { 0 }; 5392 (void) strlcpy(zc.zc_name, argv[2], sizeof (zc.zc_name)); 5393 return (!!zfs_ioctl(g_zfs, ZFS_IOC_POOL_FREEZE, &zc)); 5394 } else { 5395 (void) fprintf(stderr, gettext("unrecognized " 5396 "command '%s'\n"), cmdname); 5397 usage(B_FALSE); 5398 } 5399 5400 if (ret == 0 && log_history) 5401 (void) zpool_log_history(g_zfs, history_str); 5402 5403 libzfs_fini(g_zfs); 5404 5405 /* 5406 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 5407 * for the purposes of running ::findleaks. 5408 */ 5409 if (getenv("ZFS_ABORT") != NULL) { 5410 (void) printf("dumping core by request\n"); 5411 abort(); 5412 } 5413 5414 return (ret); 5415} 5416