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 */ 25 26 #include <assert.h> 27 #include <ctype.h> 28 #include <dirent.h> 29 #include <errno.h> 30 #include <fcntl.h> 31 #include <libgen.h> 32 #include <libintl.h> 33 #include <libuutil.h> 34 #include <locale.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <strings.h> 39 #include <unistd.h> 40 #include <priv.h> 41 #include <pwd.h> 42 #include <zone.h> 43 #include <sys/fs/zfs.h> 44 #include <sys/stat.h> 45 46 #include <libzfs.h> 47 48 #include "zpool_util.h" 49 #include "zfs_comutil.h" 50 51 #include "statcommon.h" 52 53 static int zpool_do_create(int, char **); 54 static int zpool_do_destroy(int, char **); 55 56 static int zpool_do_add(int, char **); 57 static int zpool_do_remove(int, char **); 58 59 static int zpool_do_list(int, char **); 60 static int zpool_do_iostat(int, char **); 61 static int zpool_do_status(int, char **); 62 63 static int zpool_do_online(int, char **); 64 static int zpool_do_offline(int, char **); 65 static int zpool_do_clear(int, char **); 66 67 static int zpool_do_attach(int, char **); 68 static int zpool_do_detach(int, char **); 69 static int zpool_do_replace(int, char **); 70 static int zpool_do_split(int, char **); 71 72 static int zpool_do_scrub(int, char **); 73 74 static int zpool_do_import(int, char **); 75 static int zpool_do_export(int, char **); 76 77 static int zpool_do_upgrade(int, char **); 78 79 static int zpool_do_history(int, char **); 80 81 static int zpool_do_get(int, char **); 82 static int zpool_do_set(int, char **); 83 84 /* 85 * These libumem hooks provide a reasonable set of defaults for the allocator's 86 * debugging facilities. 87 */ 88 89 #ifdef DEBUG 90 const char * 91 _umem_debug_init(void) 92 { 93 return ("default,verbose"); /* $UMEM_DEBUG setting */ 94 } 95 96 const char * 97 _umem_logging_init(void) 98 { 99 return ("fail,contents"); /* $UMEM_LOGGING setting */ 100 } 101 #endif 102 103 typedef enum { 104 HELP_ADD, 105 HELP_ATTACH, 106 HELP_CLEAR, 107 HELP_CREATE, 108 HELP_DESTROY, 109 HELP_DETACH, 110 HELP_EXPORT, 111 HELP_HISTORY, 112 HELP_IMPORT, 113 HELP_IOSTAT, 114 HELP_LIST, 115 HELP_OFFLINE, 116 HELP_ONLINE, 117 HELP_REPLACE, 118 HELP_REMOVE, 119 HELP_SCRUB, 120 HELP_STATUS, 121 HELP_UPGRADE, 122 HELP_GET, 123 HELP_SET, 124 HELP_SPLIT 125 } zpool_help_t; 126 127 128 typedef struct zpool_command { 129 const char *name; 130 int (*func)(int, char **); 131 zpool_help_t usage; 132 } zpool_command_t; 133 134 /* 135 * Master command table. Each ZFS command has a name, associated function, and 136 * usage message. The usage messages need to be internationalized, so we have 137 * to have a function to return the usage message based on a command index. 138 * 139 * These commands are organized according to how they are displayed in the usage 140 * message. An empty command (one with a NULL name) indicates an empty line in 141 * the generic usage message. 142 */ 143 static zpool_command_t command_table[] = { 144 { "create", zpool_do_create, HELP_CREATE }, 145 { "destroy", zpool_do_destroy, HELP_DESTROY }, 146 { NULL }, 147 { "add", zpool_do_add, HELP_ADD }, 148 { "remove", zpool_do_remove, HELP_REMOVE }, 149 { NULL }, 150 { "list", zpool_do_list, HELP_LIST }, 151 { "iostat", zpool_do_iostat, HELP_IOSTAT }, 152 { "status", zpool_do_status, HELP_STATUS }, 153 { NULL }, 154 { "online", zpool_do_online, HELP_ONLINE }, 155 { "offline", zpool_do_offline, HELP_OFFLINE }, 156 { "clear", zpool_do_clear, HELP_CLEAR }, 157 { NULL }, 158 { "attach", zpool_do_attach, HELP_ATTACH }, 159 { "detach", zpool_do_detach, HELP_DETACH }, 160 { "replace", zpool_do_replace, HELP_REPLACE }, 161 { "split", zpool_do_split, HELP_SPLIT }, 162 { NULL }, 163 { "scrub", zpool_do_scrub, HELP_SCRUB }, 164 { NULL }, 165 { "import", zpool_do_import, HELP_IMPORT }, 166 { "export", zpool_do_export, HELP_EXPORT }, 167 { "upgrade", zpool_do_upgrade, HELP_UPGRADE }, 168 { NULL }, 169 { "history", zpool_do_history, HELP_HISTORY }, 170 { "get", zpool_do_get, HELP_GET }, 171 { "set", zpool_do_set, HELP_SET }, 172 }; 173 174 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) 175 176 zpool_command_t *current_command; 177 static char history_str[HIS_MAX_RECORD_LEN]; 178 179 static uint_t timestamp_fmt = NODATE; 180 181 static const char * 182 get_usage(zpool_help_t idx) { 183 switch (idx) { 184 case HELP_ADD: 185 return (gettext("\tadd [-fn] <pool> <vdev> ...\n")); 186 case HELP_ATTACH: 187 return (gettext("\tattach [-f] <pool> <device> " 188 "<new-device>\n")); 189 case HELP_CLEAR: 190 return (gettext("\tclear [-nF] <pool> [device]\n")); 191 case HELP_CREATE: 192 return (gettext("\tcreate [-fn] [-o property=value] ... \n" 193 "\t [-O file-system-property=value] ... \n" 194 "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n")); 195 case HELP_DESTROY: 196 return (gettext("\tdestroy [-f] <pool>\n")); 197 case HELP_DETACH: 198 return (gettext("\tdetach <pool> <device>\n")); 199 case HELP_EXPORT: 200 return (gettext("\texport [-f] <pool> ...\n")); 201 case HELP_HISTORY: 202 return (gettext("\thistory [-il] [<pool>] ...\n")); 203 case HELP_IMPORT: 204 return (gettext("\timport [-d dir] [-D]\n" 205 "\timport [-d dir | -c cachefile] [-n] -F <pool | id>\n" 206 "\timport [-o mntopts] [-o property=value] ... \n" 207 "\t [-d dir | -c cachefile] [-D] [-f] [-R root] -a\n" 208 "\timport [-o mntopts] [-o property=value] ... \n" 209 "\t [-d dir | -c cachefile] [-D] [-f] [-R root] " 210 "<pool | id> [newpool]\n")); 211 case HELP_IOSTAT: 212 return (gettext("\tiostat [-v] [-T d|u] [pool] ... [interval " 213 "[count]]\n")); 214 case HELP_LIST: 215 return (gettext("\tlist [-H] [-o property[,...]] " 216 "[-T d|u] [pool] ... [interval [count]]\n")); 217 case HELP_OFFLINE: 218 return (gettext("\toffline [-t] <pool> <device> ...\n")); 219 case HELP_ONLINE: 220 return (gettext("\tonline <pool> <device> ...\n")); 221 case HELP_REPLACE: 222 return (gettext("\treplace [-f] <pool> <device> " 223 "[new-device]\n")); 224 case HELP_REMOVE: 225 return (gettext("\tremove <pool> <device> ...\n")); 226 case HELP_SCRUB: 227 return (gettext("\tscrub [-s] <pool> ...\n")); 228 case HELP_STATUS: 229 return (gettext("\tstatus [-vx] [-T d|u] [pool] ... [interval " 230 "[count]]\n")); 231 case HELP_UPGRADE: 232 return (gettext("\tupgrade\n" 233 "\tupgrade -v\n" 234 "\tupgrade [-V version] <-a | pool ...>\n")); 235 case HELP_GET: 236 return (gettext("\tget <\"all\" | property[,...]> " 237 "<pool> ...\n")); 238 case HELP_SET: 239 return (gettext("\tset <property=value> <pool> \n")); 240 case HELP_SPLIT: 241 return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n" 242 "\t [-o property=value] <pool> <newpool> " 243 "[<device> ...]\n")); 244 } 245 246 abort(); 247 /* NOTREACHED */ 248 } 249 250 251 /* 252 * Callback routine that will print out a pool property value. 253 */ 254 static int 255 print_prop_cb(int prop, void *cb) 256 { 257 FILE *fp = cb; 258 259 (void) fprintf(fp, "\t%-15s ", zpool_prop_to_name(prop)); 260 261 if (zpool_prop_readonly(prop)) 262 (void) fprintf(fp, " NO "); 263 else 264 (void) fprintf(fp, " YES "); 265 266 if (zpool_prop_values(prop) == NULL) 267 (void) fprintf(fp, "-\n"); 268 else 269 (void) fprintf(fp, "%s\n", zpool_prop_values(prop)); 270 271 return (ZPROP_CONT); 272 } 273 274 /* 275 * Display usage message. If we're inside a command, display only the usage for 276 * that command. Otherwise, iterate over the entire command table and display 277 * a complete usage message. 278 */ 279 void 280 usage(boolean_t requested) 281 { 282 FILE *fp = requested ? stdout : stderr; 283 284 if (current_command == NULL) { 285 int i; 286 287 (void) fprintf(fp, gettext("usage: zpool command args ...\n")); 288 (void) fprintf(fp, 289 gettext("where 'command' is one of the following:\n\n")); 290 291 for (i = 0; i < NCOMMAND; i++) { 292 if (command_table[i].name == NULL) 293 (void) fprintf(fp, "\n"); 294 else 295 (void) fprintf(fp, "%s", 296 get_usage(command_table[i].usage)); 297 } 298 } else { 299 (void) fprintf(fp, gettext("usage:\n")); 300 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 301 } 302 303 if (current_command != NULL && 304 ((strcmp(current_command->name, "set") == 0) || 305 (strcmp(current_command->name, "get") == 0) || 306 (strcmp(current_command->name, "list") == 0))) { 307 308 (void) fprintf(fp, 309 gettext("\nthe following properties are supported:\n")); 310 311 (void) fprintf(fp, "\n\t%-15s %s %s\n\n", 312 "PROPERTY", "EDIT", "VALUES"); 313 314 /* Iterate over all properties */ 315 (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE, 316 ZFS_TYPE_POOL); 317 } 318 319 /* 320 * See comments at end of main(). 321 */ 322 if (getenv("ZFS_ABORT") != NULL) { 323 (void) printf("dumping core by request\n"); 324 abort(); 325 } 326 327 exit(requested ? 0 : 2); 328 } 329 330 void 331 print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent, 332 boolean_t print_logs) 333 { 334 nvlist_t **child; 335 uint_t c, children; 336 char *vname; 337 338 if (name != NULL) 339 (void) printf("\t%*s%s\n", indent, "", name); 340 341 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 342 &child, &children) != 0) 343 return; 344 345 for (c = 0; c < children; c++) { 346 uint64_t is_log = B_FALSE; 347 348 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 349 &is_log); 350 if ((is_log && !print_logs) || (!is_log && print_logs)) 351 continue; 352 353 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 354 print_vdev_tree(zhp, vname, child[c], indent + 2, 355 B_FALSE); 356 free(vname); 357 } 358 } 359 360 /* 361 * Add a property pair (name, string-value) into a property nvlist. 362 */ 363 static int 364 add_prop_list(const char *propname, char *propval, nvlist_t **props, 365 boolean_t poolprop) 366 { 367 zpool_prop_t prop = ZPROP_INVAL; 368 zfs_prop_t fprop; 369 nvlist_t *proplist; 370 const char *normnm; 371 char *strval; 372 373 if (*props == NULL && 374 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) { 375 (void) fprintf(stderr, 376 gettext("internal error: out of memory\n")); 377 return (1); 378 } 379 380 proplist = *props; 381 382 if (poolprop) { 383 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { 384 (void) fprintf(stderr, gettext("property '%s' is " 385 "not a valid pool property\n"), propname); 386 return (2); 387 } 388 normnm = zpool_prop_to_name(prop); 389 } else { 390 if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { 391 normnm = zfs_prop_to_name(fprop); 392 } else { 393 normnm = propname; 394 } 395 } 396 397 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 && 398 prop != ZPOOL_PROP_CACHEFILE) { 399 (void) fprintf(stderr, gettext("property '%s' " 400 "specified multiple times\n"), propname); 401 return (2); 402 } 403 404 if (nvlist_add_string(proplist, normnm, propval) != 0) { 405 (void) fprintf(stderr, gettext("internal " 406 "error: out of memory\n")); 407 return (1); 408 } 409 410 return (0); 411 } 412 413 /* 414 * zpool add [-fn] <pool> <vdev> ... 415 * 416 * -f Force addition of devices, even if they appear in use 417 * -n Do not add the devices, but display the resulting layout if 418 * they were to be added. 419 * 420 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is 421 * handled by get_vdev_spec(), which constructs the nvlist needed to pass to 422 * libzfs. 423 */ 424 int 425 zpool_do_add(int argc, char **argv) 426 { 427 boolean_t force = B_FALSE; 428 boolean_t dryrun = B_FALSE; 429 int c; 430 nvlist_t *nvroot; 431 char *poolname; 432 int ret; 433 zpool_handle_t *zhp; 434 nvlist_t *config; 435 436 /* check options */ 437 while ((c = getopt(argc, argv, "fn")) != -1) { 438 switch (c) { 439 case 'f': 440 force = B_TRUE; 441 break; 442 case 'n': 443 dryrun = B_TRUE; 444 break; 445 case '?': 446 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 447 optopt); 448 usage(B_FALSE); 449 } 450 } 451 452 argc -= optind; 453 argv += optind; 454 455 /* get pool name and check number of arguments */ 456 if (argc < 1) { 457 (void) fprintf(stderr, gettext("missing pool name argument\n")); 458 usage(B_FALSE); 459 } 460 if (argc < 2) { 461 (void) fprintf(stderr, gettext("missing vdev specification\n")); 462 usage(B_FALSE); 463 } 464 465 poolname = argv[0]; 466 467 argc--; 468 argv++; 469 470 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 471 return (1); 472 473 if ((config = zpool_get_config(zhp, NULL)) == NULL) { 474 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 475 poolname); 476 zpool_close(zhp); 477 return (1); 478 } 479 480 /* pass off to get_vdev_spec for processing */ 481 nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun, 482 argc, argv); 483 if (nvroot == NULL) { 484 zpool_close(zhp); 485 return (1); 486 } 487 488 if (dryrun) { 489 nvlist_t *poolnvroot; 490 491 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 492 &poolnvroot) == 0); 493 494 (void) printf(gettext("would update '%s' to the following " 495 "configuration:\n"), zpool_get_name(zhp)); 496 497 /* print original main pool and new tree */ 498 print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE); 499 print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE); 500 501 /* Do the same for the logs */ 502 if (num_logs(poolnvroot) > 0) { 503 print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE); 504 print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE); 505 } else if (num_logs(nvroot) > 0) { 506 print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE); 507 } 508 509 ret = 0; 510 } else { 511 ret = (zpool_add(zhp, nvroot) != 0); 512 } 513 514 nvlist_free(nvroot); 515 zpool_close(zhp); 516 517 return (ret); 518 } 519 520 /* 521 * zpool remove <pool> <vdev> ... 522 * 523 * Removes the given vdev from the pool. Currently, this supports removing 524 * spares, cache, and log devices from the pool. 525 */ 526 int 527 zpool_do_remove(int argc, char **argv) 528 { 529 char *poolname; 530 int i, ret = 0; 531 zpool_handle_t *zhp; 532 533 argc--; 534 argv++; 535 536 /* get pool name and check number of arguments */ 537 if (argc < 1) { 538 (void) fprintf(stderr, gettext("missing pool name argument\n")); 539 usage(B_FALSE); 540 } 541 if (argc < 2) { 542 (void) fprintf(stderr, gettext("missing device\n")); 543 usage(B_FALSE); 544 } 545 546 poolname = argv[0]; 547 548 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 549 return (1); 550 551 for (i = 1; i < argc; i++) { 552 if (zpool_vdev_remove(zhp, argv[i]) != 0) 553 ret = 1; 554 } 555 556 return (ret); 557 } 558 559 /* 560 * zpool create [-fn] [-o property=value] ... 561 * [-O file-system-property=value] ... 562 * [-R root] [-m mountpoint] <pool> <dev> ... 563 * 564 * -f Force creation, even if devices appear in use 565 * -n Do not create the pool, but display the resulting layout if it 566 * were to be created. 567 * -R Create a pool under an alternate root 568 * -m Set default mountpoint for the root dataset. By default it's 569 * '/<pool>' 570 * -o Set property=value. 571 * -O Set fsproperty=value in the pool's root file system 572 * 573 * Creates the named pool according to the given vdev specification. The 574 * bulk of the vdev processing is done in get_vdev_spec() in zpool_vdev.c. Once 575 * we get the nvlist back from get_vdev_spec(), we either print out the contents 576 * (if '-n' was specified), or pass it to libzfs to do the creation. 577 */ 578 int 579 zpool_do_create(int argc, char **argv) 580 { 581 boolean_t force = B_FALSE; 582 boolean_t dryrun = B_FALSE; 583 int c; 584 nvlist_t *nvroot = NULL; 585 char *poolname; 586 int ret = 1; 587 char *altroot = NULL; 588 char *mountpoint = NULL; 589 nvlist_t *fsprops = NULL; 590 nvlist_t *props = NULL; 591 char *propval; 592 593 /* check options */ 594 while ((c = getopt(argc, argv, ":fnR:m:o:O:")) != -1) { 595 switch (c) { 596 case 'f': 597 force = B_TRUE; 598 break; 599 case 'n': 600 dryrun = B_TRUE; 601 break; 602 case 'R': 603 altroot = optarg; 604 if (add_prop_list(zpool_prop_to_name( 605 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 606 goto errout; 607 if (nvlist_lookup_string(props, 608 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 609 &propval) == 0) 610 break; 611 if (add_prop_list(zpool_prop_to_name( 612 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 613 goto errout; 614 break; 615 case 'm': 616 mountpoint = optarg; 617 break; 618 case 'o': 619 if ((propval = strchr(optarg, '=')) == NULL) { 620 (void) fprintf(stderr, gettext("missing " 621 "'=' for -o option\n")); 622 goto errout; 623 } 624 *propval = '\0'; 625 propval++; 626 627 if (add_prop_list(optarg, propval, &props, B_TRUE)) 628 goto errout; 629 break; 630 case 'O': 631 if ((propval = strchr(optarg, '=')) == NULL) { 632 (void) fprintf(stderr, gettext("missing " 633 "'=' for -O option\n")); 634 goto errout; 635 } 636 *propval = '\0'; 637 propval++; 638 639 if (add_prop_list(optarg, propval, &fsprops, B_FALSE)) 640 goto errout; 641 break; 642 case ':': 643 (void) fprintf(stderr, gettext("missing argument for " 644 "'%c' option\n"), optopt); 645 goto badusage; 646 case '?': 647 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 648 optopt); 649 goto badusage; 650 } 651 } 652 653 argc -= optind; 654 argv += optind; 655 656 /* get pool name and check number of arguments */ 657 if (argc < 1) { 658 (void) fprintf(stderr, gettext("missing pool name argument\n")); 659 goto badusage; 660 } 661 if (argc < 2) { 662 (void) fprintf(stderr, gettext("missing vdev specification\n")); 663 goto badusage; 664 } 665 666 poolname = argv[0]; 667 668 /* 669 * As a special case, check for use of '/' in the name, and direct the 670 * user to use 'zfs create' instead. 671 */ 672 if (strchr(poolname, '/') != NULL) { 673 (void) fprintf(stderr, gettext("cannot create '%s': invalid " 674 "character '/' in pool name\n"), poolname); 675 (void) fprintf(stderr, gettext("use 'zfs create' to " 676 "create a dataset\n")); 677 goto errout; 678 } 679 680 /* pass off to get_vdev_spec for bulk processing */ 681 nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun, 682 argc - 1, argv + 1); 683 if (nvroot == NULL) 684 goto errout; 685 686 /* make_root_vdev() allows 0 toplevel children if there are spares */ 687 if (!zfs_allocatable_devs(nvroot)) { 688 (void) fprintf(stderr, gettext("invalid vdev " 689 "specification: at least one toplevel vdev must be " 690 "specified\n")); 691 goto errout; 692 } 693 694 695 if (altroot != NULL && altroot[0] != '/') { 696 (void) fprintf(stderr, gettext("invalid alternate root '%s': " 697 "must be an absolute path\n"), altroot); 698 goto errout; 699 } 700 701 /* 702 * Check the validity of the mountpoint and direct the user to use the 703 * '-m' mountpoint option if it looks like its in use. 704 */ 705 if (mountpoint == NULL || 706 (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 && 707 strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0)) { 708 char buf[MAXPATHLEN]; 709 DIR *dirp; 710 711 if (mountpoint && mountpoint[0] != '/') { 712 (void) fprintf(stderr, gettext("invalid mountpoint " 713 "'%s': must be an absolute path, 'legacy', or " 714 "'none'\n"), mountpoint); 715 goto errout; 716 } 717 718 if (mountpoint == NULL) { 719 if (altroot != NULL) 720 (void) snprintf(buf, sizeof (buf), "%s/%s", 721 altroot, poolname); 722 else 723 (void) snprintf(buf, sizeof (buf), "/%s", 724 poolname); 725 } else { 726 if (altroot != NULL) 727 (void) snprintf(buf, sizeof (buf), "%s%s", 728 altroot, mountpoint); 729 else 730 (void) snprintf(buf, sizeof (buf), "%s", 731 mountpoint); 732 } 733 734 if ((dirp = opendir(buf)) == NULL && errno != ENOENT) { 735 (void) fprintf(stderr, gettext("mountpoint '%s' : " 736 "%s\n"), buf, strerror(errno)); 737 (void) fprintf(stderr, gettext("use '-m' " 738 "option to provide a different default\n")); 739 goto errout; 740 } else if (dirp) { 741 int count = 0; 742 743 while (count < 3 && readdir(dirp) != NULL) 744 count++; 745 (void) closedir(dirp); 746 747 if (count > 2) { 748 (void) fprintf(stderr, gettext("mountpoint " 749 "'%s' exists and is not empty\n"), buf); 750 (void) fprintf(stderr, gettext("use '-m' " 751 "option to provide a " 752 "different default\n")); 753 goto errout; 754 } 755 } 756 } 757 758 if (dryrun) { 759 /* 760 * For a dry run invocation, print out a basic message and run 761 * through all the vdevs in the list and print out in an 762 * appropriate hierarchy. 763 */ 764 (void) printf(gettext("would create '%s' with the " 765 "following layout:\n\n"), poolname); 766 767 print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE); 768 if (num_logs(nvroot) > 0) 769 print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE); 770 771 ret = 0; 772 } else { 773 /* 774 * Hand off to libzfs. 775 */ 776 if (zpool_create(g_zfs, poolname, 777 nvroot, props, fsprops) == 0) { 778 zfs_handle_t *pool = zfs_open(g_zfs, poolname, 779 ZFS_TYPE_FILESYSTEM); 780 if (pool != NULL) { 781 if (mountpoint != NULL) 782 verify(zfs_prop_set(pool, 783 zfs_prop_to_name( 784 ZFS_PROP_MOUNTPOINT), 785 mountpoint) == 0); 786 if (zfs_mount(pool, NULL, 0) == 0) 787 ret = zfs_shareall(pool); 788 zfs_close(pool); 789 } 790 } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) { 791 (void) fprintf(stderr, gettext("pool name may have " 792 "been omitted\n")); 793 } 794 } 795 796 errout: 797 nvlist_free(nvroot); 798 nvlist_free(fsprops); 799 nvlist_free(props); 800 return (ret); 801 badusage: 802 nvlist_free(fsprops); 803 nvlist_free(props); 804 usage(B_FALSE); 805 return (2); 806 } 807 808 /* 809 * zpool destroy <pool> 810 * 811 * -f Forcefully unmount any datasets 812 * 813 * Destroy the given pool. Automatically unmounts any datasets in the pool. 814 */ 815 int 816 zpool_do_destroy(int argc, char **argv) 817 { 818 boolean_t force = B_FALSE; 819 int c; 820 char *pool; 821 zpool_handle_t *zhp; 822 int ret; 823 824 /* check options */ 825 while ((c = getopt(argc, argv, "f")) != -1) { 826 switch (c) { 827 case 'f': 828 force = B_TRUE; 829 break; 830 case '?': 831 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 832 optopt); 833 usage(B_FALSE); 834 } 835 } 836 837 argc -= optind; 838 argv += optind; 839 840 /* check arguments */ 841 if (argc < 1) { 842 (void) fprintf(stderr, gettext("missing pool argument\n")); 843 usage(B_FALSE); 844 } 845 if (argc > 1) { 846 (void) fprintf(stderr, gettext("too many arguments\n")); 847 usage(B_FALSE); 848 } 849 850 pool = argv[0]; 851 852 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 853 /* 854 * As a special case, check for use of '/' in the name, and 855 * direct the user to use 'zfs destroy' instead. 856 */ 857 if (strchr(pool, '/') != NULL) 858 (void) fprintf(stderr, gettext("use 'zfs destroy' to " 859 "destroy a dataset\n")); 860 return (1); 861 } 862 863 if (zpool_disable_datasets(zhp, force) != 0) { 864 (void) fprintf(stderr, gettext("could not destroy '%s': " 865 "could not unmount datasets\n"), zpool_get_name(zhp)); 866 return (1); 867 } 868 869 ret = (zpool_destroy(zhp) != 0); 870 871 zpool_close(zhp); 872 873 return (ret); 874 } 875 876 /* 877 * zpool export [-f] <pool> ... 878 * 879 * -f Forcefully unmount datasets 880 * 881 * Export the given pools. By default, the command will attempt to cleanly 882 * unmount any active datasets within the pool. If the '-f' flag is specified, 883 * then the datasets will be forcefully unmounted. 884 */ 885 int 886 zpool_do_export(int argc, char **argv) 887 { 888 boolean_t force = B_FALSE; 889 boolean_t hardforce = B_FALSE; 890 int c; 891 zpool_handle_t *zhp; 892 int ret; 893 int i; 894 895 /* check options */ 896 while ((c = getopt(argc, argv, "fF")) != -1) { 897 switch (c) { 898 case 'f': 899 force = B_TRUE; 900 break; 901 case 'F': 902 hardforce = B_TRUE; 903 break; 904 case '?': 905 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 906 optopt); 907 usage(B_FALSE); 908 } 909 } 910 911 argc -= optind; 912 argv += optind; 913 914 /* check arguments */ 915 if (argc < 1) { 916 (void) fprintf(stderr, gettext("missing pool argument\n")); 917 usage(B_FALSE); 918 } 919 920 ret = 0; 921 for (i = 0; i < argc; i++) { 922 if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) { 923 ret = 1; 924 continue; 925 } 926 927 if (zpool_disable_datasets(zhp, force) != 0) { 928 ret = 1; 929 zpool_close(zhp); 930 continue; 931 } 932 933 if (hardforce) { 934 if (zpool_export_force(zhp) != 0) 935 ret = 1; 936 } else if (zpool_export(zhp, force) != 0) { 937 ret = 1; 938 } 939 940 zpool_close(zhp); 941 } 942 943 return (ret); 944 } 945 946 /* 947 * Given a vdev configuration, determine the maximum width needed for the device 948 * name column. 949 */ 950 static int 951 max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max) 952 { 953 char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE); 954 nvlist_t **child; 955 uint_t c, children; 956 int ret; 957 958 if (strlen(name) + depth > max) 959 max = strlen(name) + depth; 960 961 free(name); 962 963 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 964 &child, &children) == 0) { 965 for (c = 0; c < children; c++) 966 if ((ret = max_width(zhp, child[c], depth + 2, 967 max)) > max) 968 max = ret; 969 } 970 971 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 972 &child, &children) == 0) { 973 for (c = 0; c < children; c++) 974 if ((ret = max_width(zhp, child[c], depth + 2, 975 max)) > max) 976 max = ret; 977 } 978 979 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 980 &child, &children) == 0) { 981 for (c = 0; c < children; c++) 982 if ((ret = max_width(zhp, child[c], depth + 2, 983 max)) > max) 984 max = ret; 985 } 986 987 988 return (max); 989 } 990 991 typedef struct spare_cbdata { 992 uint64_t cb_guid; 993 zpool_handle_t *cb_zhp; 994 } spare_cbdata_t; 995 996 static boolean_t 997 find_vdev(nvlist_t *nv, uint64_t search) 998 { 999 uint64_t guid; 1000 nvlist_t **child; 1001 uint_t c, children; 1002 1003 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 && 1004 search == guid) 1005 return (B_TRUE); 1006 1007 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1008 &child, &children) == 0) { 1009 for (c = 0; c < children; c++) 1010 if (find_vdev(child[c], search)) 1011 return (B_TRUE); 1012 } 1013 1014 return (B_FALSE); 1015 } 1016 1017 static int 1018 find_spare(zpool_handle_t *zhp, void *data) 1019 { 1020 spare_cbdata_t *cbp = data; 1021 nvlist_t *config, *nvroot; 1022 1023 config = zpool_get_config(zhp, NULL); 1024 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1025 &nvroot) == 0); 1026 1027 if (find_vdev(nvroot, cbp->cb_guid)) { 1028 cbp->cb_zhp = zhp; 1029 return (1); 1030 } 1031 1032 zpool_close(zhp); 1033 return (0); 1034 } 1035 1036 /* 1037 * Print out configuration state as requested by status_callback. 1038 */ 1039 void 1040 print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 1041 int namewidth, int depth, boolean_t isspare) 1042 { 1043 nvlist_t **child; 1044 uint_t c, children; 1045 pool_scan_stat_t *ps = NULL; 1046 vdev_stat_t *vs; 1047 char rbuf[6], wbuf[6], cbuf[6]; 1048 char *vname; 1049 uint64_t notpresent; 1050 spare_cbdata_t cb; 1051 char *state; 1052 1053 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1054 &child, &children) != 0) 1055 children = 0; 1056 1057 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1058 (uint64_t **)&vs, &c) == 0); 1059 1060 state = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1061 if (isspare) { 1062 /* 1063 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for 1064 * online drives. 1065 */ 1066 if (vs->vs_aux == VDEV_AUX_SPARED) 1067 state = "INUSE"; 1068 else if (vs->vs_state == VDEV_STATE_HEALTHY) 1069 state = "AVAIL"; 1070 } 1071 1072 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth, 1073 name, state); 1074 1075 if (!isspare) { 1076 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf)); 1077 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf)); 1078 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf)); 1079 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf); 1080 } 1081 1082 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 1083 ¬present) == 0) { 1084 char *path; 1085 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 1086 (void) printf(" was %s", path); 1087 } else if (vs->vs_aux != 0) { 1088 (void) printf(" "); 1089 1090 switch (vs->vs_aux) { 1091 case VDEV_AUX_OPEN_FAILED: 1092 (void) printf(gettext("cannot open")); 1093 break; 1094 1095 case VDEV_AUX_BAD_GUID_SUM: 1096 (void) printf(gettext("missing device")); 1097 break; 1098 1099 case VDEV_AUX_NO_REPLICAS: 1100 (void) printf(gettext("insufficient replicas")); 1101 break; 1102 1103 case VDEV_AUX_VERSION_NEWER: 1104 (void) printf(gettext("newer version")); 1105 break; 1106 1107 case VDEV_AUX_SPARED: 1108 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1109 &cb.cb_guid) == 0); 1110 if (zpool_iter(g_zfs, find_spare, &cb) == 1) { 1111 if (strcmp(zpool_get_name(cb.cb_zhp), 1112 zpool_get_name(zhp)) == 0) 1113 (void) printf(gettext("currently in " 1114 "use")); 1115 else 1116 (void) printf(gettext("in use by " 1117 "pool '%s'"), 1118 zpool_get_name(cb.cb_zhp)); 1119 zpool_close(cb.cb_zhp); 1120 } else { 1121 (void) printf(gettext("currently in use")); 1122 } 1123 break; 1124 1125 case VDEV_AUX_ERR_EXCEEDED: 1126 (void) printf(gettext("too many errors")); 1127 break; 1128 1129 case VDEV_AUX_IO_FAILURE: 1130 (void) printf(gettext("experienced I/O failures")); 1131 break; 1132 1133 case VDEV_AUX_BAD_LOG: 1134 (void) printf(gettext("bad intent log")); 1135 break; 1136 1137 case VDEV_AUX_EXTERNAL: 1138 (void) printf(gettext("external device fault")); 1139 break; 1140 1141 case VDEV_AUX_SPLIT_POOL: 1142 (void) printf(gettext("split into new pool")); 1143 break; 1144 1145 default: 1146 (void) printf(gettext("corrupted data")); 1147 break; 1148 } 1149 } 1150 1151 (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS, 1152 (uint64_t **)&ps, &c); 1153 1154 if (ps && ps->pss_state == DSS_SCANNING && 1155 vs->vs_scan_processed != 0 && children == 0) { 1156 (void) printf(gettext(" (%s)"), 1157 (ps->pss_func == POOL_SCAN_RESILVER) ? 1158 "resilvering" : "repairing"); 1159 } 1160 1161 (void) printf("\n"); 1162 1163 for (c = 0; c < children; c++) { 1164 uint64_t islog = B_FALSE, ishole = B_FALSE; 1165 1166 /* Don't print logs or holes here */ 1167 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1168 &islog); 1169 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 1170 &ishole); 1171 if (islog || ishole) 1172 continue; 1173 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1174 print_status_config(zhp, vname, child[c], 1175 namewidth, depth + 2, isspare); 1176 free(vname); 1177 } 1178 } 1179 1180 1181 /* 1182 * Print the configuration of an exported pool. Iterate over all vdevs in the 1183 * pool, printing out the name and status for each one. 1184 */ 1185 void 1186 print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth) 1187 { 1188 nvlist_t **child; 1189 uint_t c, children; 1190 vdev_stat_t *vs; 1191 char *type, *vname; 1192 1193 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 1194 if (strcmp(type, VDEV_TYPE_MISSING) == 0 || 1195 strcmp(type, VDEV_TYPE_HOLE) == 0) 1196 return; 1197 1198 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1199 (uint64_t **)&vs, &c) == 0); 1200 1201 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name); 1202 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux)); 1203 1204 if (vs->vs_aux != 0) { 1205 (void) printf(" "); 1206 1207 switch (vs->vs_aux) { 1208 case VDEV_AUX_OPEN_FAILED: 1209 (void) printf(gettext("cannot open")); 1210 break; 1211 1212 case VDEV_AUX_BAD_GUID_SUM: 1213 (void) printf(gettext("missing device")); 1214 break; 1215 1216 case VDEV_AUX_NO_REPLICAS: 1217 (void) printf(gettext("insufficient replicas")); 1218 break; 1219 1220 case VDEV_AUX_VERSION_NEWER: 1221 (void) printf(gettext("newer version")); 1222 break; 1223 1224 case VDEV_AUX_ERR_EXCEEDED: 1225 (void) printf(gettext("too many errors")); 1226 break; 1227 1228 default: 1229 (void) printf(gettext("corrupted data")); 1230 break; 1231 } 1232 } 1233 (void) printf("\n"); 1234 1235 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1236 &child, &children) != 0) 1237 return; 1238 1239 for (c = 0; c < children; c++) { 1240 uint64_t is_log = B_FALSE; 1241 1242 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1243 &is_log); 1244 if (is_log) 1245 continue; 1246 1247 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE); 1248 print_import_config(vname, child[c], namewidth, depth + 2); 1249 free(vname); 1250 } 1251 1252 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1253 &child, &children) == 0) { 1254 (void) printf(gettext("\tcache\n")); 1255 for (c = 0; c < children; c++) { 1256 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1257 (void) printf("\t %s\n", vname); 1258 free(vname); 1259 } 1260 } 1261 1262 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1263 &child, &children) == 0) { 1264 (void) printf(gettext("\tspares\n")); 1265 for (c = 0; c < children; c++) { 1266 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1267 (void) printf("\t %s\n", vname); 1268 free(vname); 1269 } 1270 } 1271 } 1272 1273 /* 1274 * Print log vdevs. 1275 * Logs are recorded as top level vdevs in the main pool child array 1276 * but with "is_log" set to 1. We use either print_status_config() or 1277 * print_import_config() to print the top level logs then any log 1278 * children (eg mirrored slogs) are printed recursively - which 1279 * works because only the top level vdev is marked "is_log" 1280 */ 1281 static void 1282 print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose) 1283 { 1284 uint_t c, children; 1285 nvlist_t **child; 1286 1287 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child, 1288 &children) != 0) 1289 return; 1290 1291 (void) printf(gettext("\tlogs\n")); 1292 1293 for (c = 0; c < children; c++) { 1294 uint64_t is_log = B_FALSE; 1295 char *name; 1296 1297 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1298 &is_log); 1299 if (!is_log) 1300 continue; 1301 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1302 if (verbose) 1303 print_status_config(zhp, name, child[c], namewidth, 1304 2, B_FALSE); 1305 else 1306 print_import_config(name, child[c], namewidth, 2); 1307 free(name); 1308 } 1309 } 1310 1311 /* 1312 * Display the status for the given pool. 1313 */ 1314 static void 1315 show_import(nvlist_t *config) 1316 { 1317 uint64_t pool_state; 1318 vdev_stat_t *vs; 1319 char *name; 1320 uint64_t guid; 1321 char *msgid; 1322 nvlist_t *nvroot; 1323 int reason; 1324 const char *health; 1325 uint_t vsc; 1326 int namewidth; 1327 1328 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1329 &name) == 0); 1330 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1331 &guid) == 0); 1332 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1333 &pool_state) == 0); 1334 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1335 &nvroot) == 0); 1336 1337 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 1338 (uint64_t **)&vs, &vsc) == 0); 1339 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1340 1341 reason = zpool_import_status(config, &msgid); 1342 1343 (void) printf(gettext(" pool: %s\n"), name); 1344 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid); 1345 (void) printf(gettext(" state: %s"), health); 1346 if (pool_state == POOL_STATE_DESTROYED) 1347 (void) printf(gettext(" (DESTROYED)")); 1348 (void) printf("\n"); 1349 1350 switch (reason) { 1351 case ZPOOL_STATUS_MISSING_DEV_R: 1352 case ZPOOL_STATUS_MISSING_DEV_NR: 1353 case ZPOOL_STATUS_BAD_GUID_SUM: 1354 (void) printf(gettext("status: One or more devices are missing " 1355 "from the system.\n")); 1356 break; 1357 1358 case ZPOOL_STATUS_CORRUPT_LABEL_R: 1359 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 1360 (void) printf(gettext("status: One or more devices contains " 1361 "corrupted data.\n")); 1362 break; 1363 1364 case ZPOOL_STATUS_CORRUPT_DATA: 1365 (void) printf(gettext("status: The pool data is corrupted.\n")); 1366 break; 1367 1368 case ZPOOL_STATUS_OFFLINE_DEV: 1369 (void) printf(gettext("status: One or more devices " 1370 "are offlined.\n")); 1371 break; 1372 1373 case ZPOOL_STATUS_CORRUPT_POOL: 1374 (void) printf(gettext("status: The pool metadata is " 1375 "corrupted.\n")); 1376 break; 1377 1378 case ZPOOL_STATUS_VERSION_OLDER: 1379 (void) printf(gettext("status: The pool is formatted using an " 1380 "older on-disk version.\n")); 1381 break; 1382 1383 case ZPOOL_STATUS_VERSION_NEWER: 1384 (void) printf(gettext("status: The pool is formatted using an " 1385 "incompatible version.\n")); 1386 break; 1387 1388 case ZPOOL_STATUS_HOSTID_MISMATCH: 1389 (void) printf(gettext("status: The pool was last accessed by " 1390 "another system.\n")); 1391 break; 1392 1393 case ZPOOL_STATUS_FAULTED_DEV_R: 1394 case ZPOOL_STATUS_FAULTED_DEV_NR: 1395 (void) printf(gettext("status: One or more devices are " 1396 "faulted.\n")); 1397 break; 1398 1399 case ZPOOL_STATUS_BAD_LOG: 1400 (void) printf(gettext("status: An intent log record cannot be " 1401 "read.\n")); 1402 break; 1403 1404 case ZPOOL_STATUS_RESILVERING: 1405 (void) printf(gettext("status: One or more devices were being " 1406 "resilvered.\n")); 1407 break; 1408 1409 default: 1410 /* 1411 * No other status can be seen when importing pools. 1412 */ 1413 assert(reason == ZPOOL_STATUS_OK); 1414 } 1415 1416 /* 1417 * Print out an action according to the overall state of the pool. 1418 */ 1419 if (vs->vs_state == VDEV_STATE_HEALTHY) { 1420 if (reason == ZPOOL_STATUS_VERSION_OLDER) 1421 (void) printf(gettext("action: The pool can be " 1422 "imported using its name or numeric identifier, " 1423 "though\n\tsome features will not be available " 1424 "without an explicit 'zpool upgrade'.\n")); 1425 else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) 1426 (void) printf(gettext("action: The pool can be " 1427 "imported using its name or numeric " 1428 "identifier and\n\tthe '-f' flag.\n")); 1429 else 1430 (void) printf(gettext("action: The pool can be " 1431 "imported using its name or numeric " 1432 "identifier.\n")); 1433 } else if (vs->vs_state == VDEV_STATE_DEGRADED) { 1434 (void) printf(gettext("action: The pool can be imported " 1435 "despite missing or damaged devices. The\n\tfault " 1436 "tolerance of the pool may be compromised if imported.\n")); 1437 } else { 1438 switch (reason) { 1439 case ZPOOL_STATUS_VERSION_NEWER: 1440 (void) printf(gettext("action: The pool cannot be " 1441 "imported. Access the pool on a system running " 1442 "newer\n\tsoftware, or recreate the pool from " 1443 "backup.\n")); 1444 break; 1445 case ZPOOL_STATUS_MISSING_DEV_R: 1446 case ZPOOL_STATUS_MISSING_DEV_NR: 1447 case ZPOOL_STATUS_BAD_GUID_SUM: 1448 (void) printf(gettext("action: The pool cannot be " 1449 "imported. Attach the missing\n\tdevices and try " 1450 "again.\n")); 1451 break; 1452 default: 1453 (void) printf(gettext("action: The pool cannot be " 1454 "imported due to damaged devices or data.\n")); 1455 } 1456 } 1457 1458 /* 1459 * If the state is "closed" or "can't open", and the aux state 1460 * is "corrupt data": 1461 */ 1462 if (((vs->vs_state == VDEV_STATE_CLOSED) || 1463 (vs->vs_state == VDEV_STATE_CANT_OPEN)) && 1464 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) { 1465 if (pool_state == POOL_STATE_DESTROYED) 1466 (void) printf(gettext("\tThe pool was destroyed, " 1467 "but can be imported using the '-Df' flags.\n")); 1468 else if (pool_state != POOL_STATE_EXPORTED) 1469 (void) printf(gettext("\tThe pool may be active on " 1470 "another system, but can be imported using\n\t" 1471 "the '-f' flag.\n")); 1472 } 1473 1474 if (msgid != NULL) 1475 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 1476 msgid); 1477 1478 (void) printf(gettext("config:\n\n")); 1479 1480 namewidth = max_width(NULL, nvroot, 0, 0); 1481 if (namewidth < 10) 1482 namewidth = 10; 1483 1484 print_import_config(name, nvroot, namewidth, 0); 1485 if (num_logs(nvroot) > 0) 1486 print_logs(NULL, nvroot, namewidth, B_FALSE); 1487 1488 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) { 1489 (void) printf(gettext("\n\tAdditional devices are known to " 1490 "be part of this pool, though their\n\texact " 1491 "configuration cannot be determined.\n")); 1492 } 1493 } 1494 1495 /* 1496 * Perform the import for the given configuration. This passes the heavy 1497 * lifting off to zpool_import_props(), and then mounts the datasets contained 1498 * within the pool. 1499 */ 1500 static int 1501 do_import(nvlist_t *config, const char *newname, const char *mntopts, 1502 int force, nvlist_t *props, boolean_t do_verbatim) 1503 { 1504 zpool_handle_t *zhp; 1505 char *name; 1506 uint64_t state; 1507 uint64_t version; 1508 1509 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1510 &name) == 0); 1511 1512 verify(nvlist_lookup_uint64(config, 1513 ZPOOL_CONFIG_POOL_STATE, &state) == 0); 1514 verify(nvlist_lookup_uint64(config, 1515 ZPOOL_CONFIG_VERSION, &version) == 0); 1516 if (version > SPA_VERSION) { 1517 (void) fprintf(stderr, gettext("cannot import '%s': pool " 1518 "is formatted using a newer ZFS version\n"), name); 1519 return (1); 1520 } else if (state != POOL_STATE_EXPORTED && !force) { 1521 uint64_t hostid; 1522 1523 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1524 &hostid) == 0) { 1525 if ((unsigned long)hostid != gethostid()) { 1526 char *hostname; 1527 uint64_t timestamp; 1528 time_t t; 1529 1530 verify(nvlist_lookup_string(config, 1531 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1532 verify(nvlist_lookup_uint64(config, 1533 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1534 t = timestamp; 1535 (void) fprintf(stderr, gettext("cannot import " 1536 "'%s': pool may be in use from other " 1537 "system, it was last accessed by %s " 1538 "(hostid: 0x%lx) on %s"), name, hostname, 1539 (unsigned long)hostid, 1540 asctime(localtime(&t))); 1541 (void) fprintf(stderr, gettext("use '-f' to " 1542 "import anyway\n")); 1543 return (1); 1544 } 1545 } else { 1546 (void) fprintf(stderr, gettext("cannot import '%s': " 1547 "pool may be in use from other system\n"), name); 1548 (void) fprintf(stderr, gettext("use '-f' to import " 1549 "anyway\n")); 1550 return (1); 1551 } 1552 } 1553 1554 if (zpool_import_props(g_zfs, config, newname, props, do_verbatim) != 0) 1555 return (1); 1556 1557 if (newname != NULL) 1558 name = (char *)newname; 1559 1560 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1561 return (1); 1562 1563 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1564 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1565 zpool_close(zhp); 1566 return (1); 1567 } 1568 1569 zpool_close(zhp); 1570 return (0); 1571 } 1572 1573 /* 1574 * zpool import [-d dir] [-D] 1575 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1576 * [-d dir | -c cachefile] [-f] -a 1577 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1578 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1579 * 1580 * -c Read pool information from a cachefile instead of searching 1581 * devices. 1582 * 1583 * -d Scan in a specific directory, other than /dev/dsk. More than 1584 * one directory can be specified using multiple '-d' options. 1585 * 1586 * -D Scan for previously destroyed pools or import all or only 1587 * specified destroyed pools. 1588 * 1589 * -R Temporarily import the pool, with all mountpoints relative to 1590 * the given root. The pool will remain exported when the machine 1591 * is rebooted. 1592 * 1593 * -V Import even in the presence of faulted vdevs. This is an 1594 * intentionally undocumented option for testing purposes, and 1595 * treats the pool configuration as complete, leaving any bad 1596 * vdevs in the FAULTED state. In other words, it does verbatim 1597 * import. 1598 * 1599 * -f Force import, even if it appears that the pool is active. 1600 * 1601 * -F Attempt rewind if necessary. 1602 * 1603 * -n See if rewind would work, but don't actually rewind. 1604 * 1605 * -a Import all pools found. 1606 * 1607 * -o Set property=value and/or temporary mount options (without '='). 1608 * 1609 * The import command scans for pools to import, and import pools based on pool 1610 * name and GUID. The pool can also be renamed as part of the import process. 1611 */ 1612 int 1613 zpool_do_import(int argc, char **argv) 1614 { 1615 char **searchdirs = NULL; 1616 int nsearch = 0; 1617 int c; 1618 int err = 0; 1619 nvlist_t *pools = NULL; 1620 boolean_t do_all = B_FALSE; 1621 boolean_t do_destroyed = B_FALSE; 1622 char *mntopts = NULL; 1623 boolean_t do_force = B_FALSE; 1624 nvpair_t *elem; 1625 nvlist_t *config; 1626 uint64_t searchguid = 0; 1627 char *searchname = NULL; 1628 char *propval; 1629 nvlist_t *found_config; 1630 nvlist_t *policy = NULL; 1631 nvlist_t *props = NULL; 1632 boolean_t first; 1633 boolean_t do_verbatim = B_FALSE; 1634 uint32_t rewind_policy = ZPOOL_NO_REWIND; 1635 boolean_t dryrun = B_FALSE; 1636 boolean_t do_rewind = B_FALSE; 1637 boolean_t xtreme_rewind = B_FALSE; 1638 uint64_t pool_state; 1639 char *cachefile = NULL; 1640 importargs_t idata = { 0 }; 1641 1642 /* check options */ 1643 while ((c = getopt(argc, argv, ":aCc:d:DEfFno:rR:VX")) != -1) { 1644 switch (c) { 1645 case 'a': 1646 do_all = B_TRUE; 1647 break; 1648 case 'c': 1649 cachefile = optarg; 1650 break; 1651 case 'd': 1652 if (searchdirs == NULL) { 1653 searchdirs = safe_malloc(sizeof (char *)); 1654 } else { 1655 char **tmp = safe_malloc((nsearch + 1) * 1656 sizeof (char *)); 1657 bcopy(searchdirs, tmp, nsearch * 1658 sizeof (char *)); 1659 free(searchdirs); 1660 searchdirs = tmp; 1661 } 1662 searchdirs[nsearch++] = optarg; 1663 break; 1664 case 'D': 1665 do_destroyed = B_TRUE; 1666 break; 1667 case 'f': 1668 do_force = B_TRUE; 1669 break; 1670 case 'F': 1671 do_rewind = B_TRUE; 1672 break; 1673 case 'n': 1674 dryrun = B_TRUE; 1675 break; 1676 case 'o': 1677 if ((propval = strchr(optarg, '=')) != NULL) { 1678 *propval = '\0'; 1679 propval++; 1680 if (add_prop_list(optarg, propval, 1681 &props, B_TRUE)) 1682 goto error; 1683 } else { 1684 mntopts = optarg; 1685 } 1686 break; 1687 case 'R': 1688 if (add_prop_list(zpool_prop_to_name( 1689 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 1690 goto error; 1691 if (nvlist_lookup_string(props, 1692 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 1693 &propval) == 0) 1694 break; 1695 if (add_prop_list(zpool_prop_to_name( 1696 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 1697 goto error; 1698 break; 1699 case 'V': 1700 do_verbatim = B_TRUE; 1701 break; 1702 case 'X': 1703 xtreme_rewind = B_TRUE; 1704 break; 1705 case ':': 1706 (void) fprintf(stderr, gettext("missing argument for " 1707 "'%c' option\n"), optopt); 1708 usage(B_FALSE); 1709 break; 1710 case '?': 1711 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1712 optopt); 1713 usage(B_FALSE); 1714 } 1715 } 1716 1717 argc -= optind; 1718 argv += optind; 1719 1720 if (cachefile && nsearch != 0) { 1721 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 1722 usage(B_FALSE); 1723 } 1724 1725 if ((dryrun || xtreme_rewind) && !do_rewind) { 1726 (void) fprintf(stderr, 1727 gettext("-n or -X only meaningful with -F\n")); 1728 usage(B_FALSE); 1729 } 1730 if (dryrun) 1731 rewind_policy = ZPOOL_TRY_REWIND; 1732 else if (do_rewind) 1733 rewind_policy = ZPOOL_DO_REWIND; 1734 if (xtreme_rewind) 1735 rewind_policy |= ZPOOL_EXTREME_REWIND; 1736 1737 /* In the future, we can capture further policy and include it here */ 1738 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 1739 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 1740 goto error; 1741 1742 if (searchdirs == NULL) { 1743 searchdirs = safe_malloc(sizeof (char *)); 1744 searchdirs[0] = "/dev/dsk"; 1745 nsearch = 1; 1746 } 1747 1748 /* check argument count */ 1749 if (do_all) { 1750 if (argc != 0) { 1751 (void) fprintf(stderr, gettext("too many arguments\n")); 1752 usage(B_FALSE); 1753 } 1754 } else { 1755 if (argc > 2) { 1756 (void) fprintf(stderr, gettext("too many arguments\n")); 1757 usage(B_FALSE); 1758 } 1759 1760 /* 1761 * Check for the SYS_CONFIG privilege. We do this explicitly 1762 * here because otherwise any attempt to discover pools will 1763 * silently fail. 1764 */ 1765 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 1766 (void) fprintf(stderr, gettext("cannot " 1767 "discover pools: permission denied\n")); 1768 free(searchdirs); 1769 nvlist_free(policy); 1770 return (1); 1771 } 1772 } 1773 1774 /* 1775 * Depending on the arguments given, we do one of the following: 1776 * 1777 * <none> Iterate through all pools and display information about 1778 * each one. 1779 * 1780 * -a Iterate through all pools and try to import each one. 1781 * 1782 * <id> Find the pool that corresponds to the given GUID/pool 1783 * name and import that one. 1784 * 1785 * -D Above options applies only to destroyed pools. 1786 */ 1787 if (argc != 0) { 1788 char *endptr; 1789 1790 errno = 0; 1791 searchguid = strtoull(argv[0], &endptr, 10); 1792 if (errno != 0 || *endptr != '\0') 1793 searchname = argv[0]; 1794 found_config = NULL; 1795 1796 /* 1797 * User specified a name or guid. Ensure it's unique. 1798 */ 1799 idata.unique = B_TRUE; 1800 } 1801 1802 1803 idata.path = searchdirs; 1804 idata.paths = nsearch; 1805 idata.poolname = searchname; 1806 idata.guid = searchguid; 1807 idata.cachefile = cachefile; 1808 1809 pools = zpool_search_import(g_zfs, &idata); 1810 1811 if (pools != NULL && idata.exists && 1812 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) { 1813 (void) fprintf(stderr, gettext("cannot import '%s': " 1814 "a pool with that name already exists\n"), 1815 argv[0]); 1816 (void) fprintf(stderr, gettext("use the form '%s " 1817 "<pool | id> <newpool>' to give it a new name\n"), 1818 "zpool import"); 1819 err = 1; 1820 } else if (pools == NULL && idata.exists) { 1821 (void) fprintf(stderr, gettext("cannot import '%s': " 1822 "a pool with that name is already created/imported,\n"), 1823 argv[0]); 1824 (void) fprintf(stderr, gettext("and no additional pools " 1825 "with that name were found\n")); 1826 err = 1; 1827 } else if (pools == NULL) { 1828 if (argc != 0) { 1829 (void) fprintf(stderr, gettext("cannot import '%s': " 1830 "no such pool available\n"), argv[0]); 1831 } 1832 err = 1; 1833 } 1834 1835 if (err == 1) { 1836 free(searchdirs); 1837 nvlist_free(policy); 1838 return (1); 1839 } 1840 1841 /* 1842 * At this point we have a list of import candidate configs. Even if 1843 * we were searching by pool name or guid, we still need to 1844 * post-process the list to deal with pool state and possible 1845 * duplicate names. 1846 */ 1847 err = 0; 1848 elem = NULL; 1849 first = B_TRUE; 1850 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 1851 1852 verify(nvpair_value_nvlist(elem, &config) == 0); 1853 1854 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1855 &pool_state) == 0); 1856 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 1857 continue; 1858 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 1859 continue; 1860 1861 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 1862 policy) == 0); 1863 1864 if (argc == 0) { 1865 if (first) 1866 first = B_FALSE; 1867 else if (!do_all) 1868 (void) printf("\n"); 1869 1870 if (do_all) { 1871 err |= do_import(config, NULL, mntopts, 1872 do_force, props, do_verbatim); 1873 } else { 1874 show_import(config); 1875 } 1876 } else if (searchname != NULL) { 1877 char *name; 1878 1879 /* 1880 * We are searching for a pool based on name. 1881 */ 1882 verify(nvlist_lookup_string(config, 1883 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 1884 1885 if (strcmp(name, searchname) == 0) { 1886 if (found_config != NULL) { 1887 (void) fprintf(stderr, gettext( 1888 "cannot import '%s': more than " 1889 "one matching pool\n"), searchname); 1890 (void) fprintf(stderr, gettext( 1891 "import by numeric ID instead\n")); 1892 err = B_TRUE; 1893 } 1894 found_config = config; 1895 } 1896 } else { 1897 uint64_t guid; 1898 1899 /* 1900 * Search for a pool by guid. 1901 */ 1902 verify(nvlist_lookup_uint64(config, 1903 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 1904 1905 if (guid == searchguid) 1906 found_config = config; 1907 } 1908 } 1909 1910 /* 1911 * If we were searching for a specific pool, verify that we found a 1912 * pool, and then do the import. 1913 */ 1914 if (argc != 0 && err == 0) { 1915 if (found_config == NULL) { 1916 (void) fprintf(stderr, gettext("cannot import '%s': " 1917 "no such pool available\n"), argv[0]); 1918 err = B_TRUE; 1919 } else { 1920 err |= do_import(found_config, argc == 1 ? NULL : 1921 argv[1], mntopts, do_force, props, do_verbatim); 1922 } 1923 } 1924 1925 /* 1926 * If we were just looking for pools, report an error if none were 1927 * found. 1928 */ 1929 if (argc == 0 && first) 1930 (void) fprintf(stderr, 1931 gettext("no pools available to import\n")); 1932 1933 error: 1934 nvlist_free(props); 1935 nvlist_free(pools); 1936 nvlist_free(policy); 1937 free(searchdirs); 1938 1939 return (err ? 1 : 0); 1940 } 1941 1942 typedef struct iostat_cbdata { 1943 zpool_list_t *cb_list; 1944 int cb_verbose; 1945 int cb_iteration; 1946 int cb_namewidth; 1947 } iostat_cbdata_t; 1948 1949 static void 1950 print_iostat_separator(iostat_cbdata_t *cb) 1951 { 1952 int i = 0; 1953 1954 for (i = 0; i < cb->cb_namewidth; i++) 1955 (void) printf("-"); 1956 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 1957 } 1958 1959 static void 1960 print_iostat_header(iostat_cbdata_t *cb) 1961 { 1962 (void) printf("%*s capacity operations bandwidth\n", 1963 cb->cb_namewidth, ""); 1964 (void) printf("%-*s alloc free read write read write\n", 1965 cb->cb_namewidth, "pool"); 1966 print_iostat_separator(cb); 1967 } 1968 1969 /* 1970 * Display a single statistic. 1971 */ 1972 static void 1973 print_one_stat(uint64_t value) 1974 { 1975 char buf[64]; 1976 1977 zfs_nicenum(value, buf, sizeof (buf)); 1978 (void) printf(" %5s", buf); 1979 } 1980 1981 /* 1982 * Print out all the statistics for the given vdev. This can either be the 1983 * toplevel configuration, or called recursively. If 'name' is NULL, then this 1984 * is a verbose output, and we don't want to display the toplevel pool stats. 1985 */ 1986 void 1987 print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 1988 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 1989 { 1990 nvlist_t **oldchild, **newchild; 1991 uint_t c, children; 1992 vdev_stat_t *oldvs, *newvs; 1993 vdev_stat_t zerovs = { 0 }; 1994 uint64_t tdelta; 1995 double scale; 1996 char *vname; 1997 1998 if (oldnv != NULL) { 1999 verify(nvlist_lookup_uint64_array(oldnv, 2000 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0); 2001 } else { 2002 oldvs = &zerovs; 2003 } 2004 2005 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS, 2006 (uint64_t **)&newvs, &c) == 0); 2007 2008 if (strlen(name) + depth > cb->cb_namewidth) 2009 (void) printf("%*s%s", depth, "", name); 2010 else 2011 (void) printf("%*s%s%*s", depth, "", name, 2012 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2013 2014 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 2015 2016 if (tdelta == 0) 2017 scale = 1.0; 2018 else 2019 scale = (double)NANOSEC / tdelta; 2020 2021 /* only toplevel vdevs have capacity stats */ 2022 if (newvs->vs_space == 0) { 2023 (void) printf(" - -"); 2024 } else { 2025 print_one_stat(newvs->vs_alloc); 2026 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2027 } 2028 2029 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2030 oldvs->vs_ops[ZIO_TYPE_READ]))); 2031 2032 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2033 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2034 2035 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2036 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2037 2038 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2039 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2040 2041 (void) printf("\n"); 2042 2043 if (!cb->cb_verbose) 2044 return; 2045 2046 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2047 &newchild, &children) != 0) 2048 return; 2049 2050 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2051 &oldchild, &c) != 0) 2052 return; 2053 2054 for (c = 0; c < children; c++) { 2055 uint64_t ishole = B_FALSE; 2056 2057 if (nvlist_lookup_uint64(newchild[c], 2058 ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole) 2059 continue; 2060 2061 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2062 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2063 newchild[c], cb, depth + 2); 2064 free(vname); 2065 } 2066 2067 /* 2068 * Include level 2 ARC devices in iostat output 2069 */ 2070 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2071 &newchild, &children) != 0) 2072 return; 2073 2074 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2075 &oldchild, &c) != 0) 2076 return; 2077 2078 if (children > 0) { 2079 (void) printf("%-*s - - - - - " 2080 "-\n", cb->cb_namewidth, "cache"); 2081 for (c = 0; c < children; c++) { 2082 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2083 B_FALSE); 2084 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2085 newchild[c], cb, depth + 2); 2086 free(vname); 2087 } 2088 } 2089 } 2090 2091 static int 2092 refresh_iostat(zpool_handle_t *zhp, void *data) 2093 { 2094 iostat_cbdata_t *cb = data; 2095 boolean_t missing; 2096 2097 /* 2098 * If the pool has disappeared, remove it from the list and continue. 2099 */ 2100 if (zpool_refresh_stats(zhp, &missing) != 0) 2101 return (-1); 2102 2103 if (missing) 2104 pool_list_remove(cb->cb_list, zhp); 2105 2106 return (0); 2107 } 2108 2109 /* 2110 * Callback to print out the iostats for the given pool. 2111 */ 2112 int 2113 print_iostat(zpool_handle_t *zhp, void *data) 2114 { 2115 iostat_cbdata_t *cb = data; 2116 nvlist_t *oldconfig, *newconfig; 2117 nvlist_t *oldnvroot, *newnvroot; 2118 2119 newconfig = zpool_get_config(zhp, &oldconfig); 2120 2121 if (cb->cb_iteration == 1) 2122 oldconfig = NULL; 2123 2124 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2125 &newnvroot) == 0); 2126 2127 if (oldconfig == NULL) 2128 oldnvroot = NULL; 2129 else 2130 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2131 &oldnvroot) == 0); 2132 2133 /* 2134 * Print out the statistics for the pool. 2135 */ 2136 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2137 2138 if (cb->cb_verbose) 2139 print_iostat_separator(cb); 2140 2141 return (0); 2142 } 2143 2144 int 2145 get_namewidth(zpool_handle_t *zhp, void *data) 2146 { 2147 iostat_cbdata_t *cb = data; 2148 nvlist_t *config, *nvroot; 2149 2150 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2151 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2152 &nvroot) == 0); 2153 if (!cb->cb_verbose) 2154 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2155 else 2156 cb->cb_namewidth = max_width(zhp, nvroot, 0, 0); 2157 } 2158 2159 /* 2160 * The width must fall into the range [10,38]. The upper limit is the 2161 * maximum we can have and still fit in 80 columns. 2162 */ 2163 if (cb->cb_namewidth < 10) 2164 cb->cb_namewidth = 10; 2165 if (cb->cb_namewidth > 38) 2166 cb->cb_namewidth = 38; 2167 2168 return (0); 2169 } 2170 2171 /* 2172 * Parse the input string, get the 'interval' and 'count' value if there is one. 2173 */ 2174 static void 2175 get_interval_count(int *argcp, char **argv, unsigned long *iv, 2176 unsigned long *cnt) 2177 { 2178 unsigned long interval = 0, count = 0; 2179 int argc = *argcp, errno; 2180 2181 /* 2182 * Determine if the last argument is an integer or a pool name 2183 */ 2184 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2185 char *end; 2186 2187 errno = 0; 2188 interval = strtoul(argv[argc - 1], &end, 10); 2189 2190 if (*end == '\0' && errno == 0) { 2191 if (interval == 0) { 2192 (void) fprintf(stderr, gettext("interval " 2193 "cannot be zero\n")); 2194 usage(B_FALSE); 2195 } 2196 /* 2197 * Ignore the last parameter 2198 */ 2199 argc--; 2200 } else { 2201 /* 2202 * If this is not a valid number, just plow on. The 2203 * user will get a more informative error message later 2204 * on. 2205 */ 2206 interval = 0; 2207 } 2208 } 2209 2210 /* 2211 * If the last argument is also an integer, then we have both a count 2212 * and an interval. 2213 */ 2214 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2215 char *end; 2216 2217 errno = 0; 2218 count = interval; 2219 interval = strtoul(argv[argc - 1], &end, 10); 2220 2221 if (*end == '\0' && errno == 0) { 2222 if (interval == 0) { 2223 (void) fprintf(stderr, gettext("interval " 2224 "cannot be zero\n")); 2225 usage(B_FALSE); 2226 } 2227 2228 /* 2229 * Ignore the last parameter 2230 */ 2231 argc--; 2232 } else { 2233 interval = 0; 2234 } 2235 } 2236 2237 *iv = interval; 2238 *cnt = count; 2239 *argcp = argc; 2240 } 2241 2242 static void 2243 get_timestamp_arg(char c) 2244 { 2245 if (c == 'u') 2246 timestamp_fmt = UDATE; 2247 else if (c == 'd') 2248 timestamp_fmt = DDATE; 2249 else 2250 usage(B_FALSE); 2251 } 2252 2253 /* 2254 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]] 2255 * 2256 * -v Display statistics for individual vdevs 2257 * -T Display a timestamp in date(1) or Unix format 2258 * 2259 * This command can be tricky because we want to be able to deal with pool 2260 * creation/destruction as well as vdev configuration changes. The bulk of this 2261 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2262 * on pool_list_update() to detect the addition of new pools. Configuration 2263 * changes are all handled within libzfs. 2264 */ 2265 int 2266 zpool_do_iostat(int argc, char **argv) 2267 { 2268 int c; 2269 int ret; 2270 int npools; 2271 unsigned long interval = 0, count = 0; 2272 zpool_list_t *list; 2273 boolean_t verbose = B_FALSE; 2274 iostat_cbdata_t cb; 2275 2276 /* check options */ 2277 while ((c = getopt(argc, argv, "T:v")) != -1) { 2278 switch (c) { 2279 case 'T': 2280 get_timestamp_arg(*optarg); 2281 break; 2282 case 'v': 2283 verbose = B_TRUE; 2284 break; 2285 case '?': 2286 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2287 optopt); 2288 usage(B_FALSE); 2289 } 2290 } 2291 2292 argc -= optind; 2293 argv += optind; 2294 2295 get_interval_count(&argc, argv, &interval, &count); 2296 2297 /* 2298 * Construct the list of all interesting pools. 2299 */ 2300 ret = 0; 2301 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2302 return (1); 2303 2304 if (pool_list_count(list) == 0 && argc != 0) { 2305 pool_list_free(list); 2306 return (1); 2307 } 2308 2309 if (pool_list_count(list) == 0 && interval == 0) { 2310 pool_list_free(list); 2311 (void) fprintf(stderr, gettext("no pools available\n")); 2312 return (1); 2313 } 2314 2315 /* 2316 * Enter the main iostat loop. 2317 */ 2318 cb.cb_list = list; 2319 cb.cb_verbose = verbose; 2320 cb.cb_iteration = 0; 2321 cb.cb_namewidth = 0; 2322 2323 for (;;) { 2324 pool_list_update(list); 2325 2326 if ((npools = pool_list_count(list)) == 0) 2327 break; 2328 2329 /* 2330 * Refresh all statistics. This is done as an explicit step 2331 * before calculating the maximum name width, so that any 2332 * configuration changes are properly accounted for. 2333 */ 2334 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2335 2336 /* 2337 * Iterate over all pools to determine the maximum width 2338 * for the pool / device name column across all pools. 2339 */ 2340 cb.cb_namewidth = 0; 2341 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2342 2343 if (timestamp_fmt != NODATE) 2344 print_timestamp(timestamp_fmt); 2345 2346 /* 2347 * If it's the first time, or verbose mode, print the header. 2348 */ 2349 if (++cb.cb_iteration == 1 || verbose) 2350 print_iostat_header(&cb); 2351 2352 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2353 2354 /* 2355 * If there's more than one pool, and we're not in verbose mode 2356 * (which prints a separator for us), then print a separator. 2357 */ 2358 if (npools > 1 && !verbose) 2359 print_iostat_separator(&cb); 2360 2361 if (verbose) 2362 (void) printf("\n"); 2363 2364 /* 2365 * Flush the output so that redirection to a file isn't buffered 2366 * indefinitely. 2367 */ 2368 (void) fflush(stdout); 2369 2370 if (interval == 0) 2371 break; 2372 2373 if (count != 0 && --count == 0) 2374 break; 2375 2376 (void) sleep(interval); 2377 } 2378 2379 pool_list_free(list); 2380 2381 return (ret); 2382 } 2383 2384 typedef struct list_cbdata { 2385 boolean_t cb_scripted; 2386 boolean_t cb_first; 2387 zprop_list_t *cb_proplist; 2388 } list_cbdata_t; 2389 2390 /* 2391 * Given a list of columns to display, output appropriate headers for each one. 2392 */ 2393 static void 2394 print_header(zprop_list_t *pl) 2395 { 2396 const char *header; 2397 boolean_t first = B_TRUE; 2398 boolean_t right_justify; 2399 2400 for (; pl != NULL; pl = pl->pl_next) { 2401 if (pl->pl_prop == ZPROP_INVAL) 2402 continue; 2403 2404 if (!first) 2405 (void) printf(" "); 2406 else 2407 first = B_FALSE; 2408 2409 header = zpool_prop_column_name(pl->pl_prop); 2410 right_justify = zpool_prop_align_right(pl->pl_prop); 2411 2412 if (pl->pl_next == NULL && !right_justify) 2413 (void) printf("%s", header); 2414 else if (right_justify) 2415 (void) printf("%*s", pl->pl_width, header); 2416 else 2417 (void) printf("%-*s", pl->pl_width, header); 2418 } 2419 2420 (void) printf("\n"); 2421 } 2422 2423 /* 2424 * Given a pool and a list of properties, print out all the properties according 2425 * to the described layout. 2426 */ 2427 static void 2428 print_pool(zpool_handle_t *zhp, zprop_list_t *pl, int scripted) 2429 { 2430 boolean_t first = B_TRUE; 2431 char property[ZPOOL_MAXPROPLEN]; 2432 char *propstr; 2433 boolean_t right_justify; 2434 int width; 2435 2436 for (; pl != NULL; pl = pl->pl_next) { 2437 if (!first) { 2438 if (scripted) 2439 (void) printf("\t"); 2440 else 2441 (void) printf(" "); 2442 } else { 2443 first = B_FALSE; 2444 } 2445 2446 right_justify = B_FALSE; 2447 if (pl->pl_prop != ZPROP_INVAL) { 2448 if (zpool_get_prop(zhp, pl->pl_prop, property, 2449 sizeof (property), NULL) != 0) 2450 propstr = "-"; 2451 else 2452 propstr = property; 2453 2454 right_justify = zpool_prop_align_right(pl->pl_prop); 2455 } else { 2456 propstr = "-"; 2457 } 2458 2459 width = pl->pl_width; 2460 2461 /* 2462 * If this is being called in scripted mode, or if this is the 2463 * last column and it is left-justified, don't include a width 2464 * format specifier. 2465 */ 2466 if (scripted || (pl->pl_next == NULL && !right_justify)) 2467 (void) printf("%s", propstr); 2468 else if (right_justify) 2469 (void) printf("%*s", width, propstr); 2470 else 2471 (void) printf("%-*s", width, propstr); 2472 } 2473 2474 (void) printf("\n"); 2475 } 2476 2477 /* 2478 * Generic callback function to list a pool. 2479 */ 2480 int 2481 list_callback(zpool_handle_t *zhp, void *data) 2482 { 2483 list_cbdata_t *cbp = data; 2484 2485 if (cbp->cb_first) { 2486 if (!cbp->cb_scripted) 2487 print_header(cbp->cb_proplist); 2488 cbp->cb_first = B_FALSE; 2489 } 2490 2491 print_pool(zhp, cbp->cb_proplist, cbp->cb_scripted); 2492 2493 return (0); 2494 } 2495 2496 /* 2497 * zpool list [-H] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]] 2498 * 2499 * -H Scripted mode. Don't display headers, and separate properties 2500 * by a single tab. 2501 * -o List of properties to display. Defaults to 2502 * "name,size,allocated,free,capacity,health,altroot" 2503 * -T Display a timestamp in date(1) or Unix format 2504 * 2505 * List all pools in the system, whether or not they're healthy. Output space 2506 * statistics for each one, as well as health status summary. 2507 */ 2508 int 2509 zpool_do_list(int argc, char **argv) 2510 { 2511 int c; 2512 int ret; 2513 list_cbdata_t cb = { 0 }; 2514 static char default_props[] = 2515 "name,size,allocated,free,capacity,dedupratio,health,altroot"; 2516 char *props = default_props; 2517 unsigned long interval = 0, count = 0; 2518 2519 /* check options */ 2520 while ((c = getopt(argc, argv, ":Ho:T:")) != -1) { 2521 switch (c) { 2522 case 'H': 2523 cb.cb_scripted = B_TRUE; 2524 break; 2525 case 'o': 2526 props = optarg; 2527 break; 2528 case 'T': 2529 get_timestamp_arg(*optarg); 2530 break; 2531 case ':': 2532 (void) fprintf(stderr, gettext("missing argument for " 2533 "'%c' option\n"), optopt); 2534 usage(B_FALSE); 2535 break; 2536 case '?': 2537 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2538 optopt); 2539 usage(B_FALSE); 2540 } 2541 } 2542 2543 argc -= optind; 2544 argv += optind; 2545 2546 get_interval_count(&argc, argv, &interval, &count); 2547 2548 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 2549 usage(B_FALSE); 2550 2551 cb.cb_first = B_TRUE; 2552 2553 for (;;) { 2554 2555 if (timestamp_fmt != NODATE) 2556 print_timestamp(timestamp_fmt); 2557 2558 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 2559 list_callback, &cb); 2560 2561 if (argc == 0 && cb.cb_first && !cb.cb_scripted) { 2562 (void) printf(gettext("no pools available\n")); 2563 zprop_free_list(cb.cb_proplist); 2564 return (0); 2565 } 2566 2567 if (interval == 0) 2568 break; 2569 2570 if (count != 0 && --count == 0) 2571 break; 2572 2573 (void) sleep(interval); 2574 } 2575 2576 zprop_free_list(cb.cb_proplist); 2577 return (ret); 2578 } 2579 2580 static nvlist_t * 2581 zpool_get_vdev_by_name(nvlist_t *nv, char *name) 2582 { 2583 nvlist_t **child; 2584 uint_t c, children; 2585 nvlist_t *match; 2586 char *path; 2587 2588 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2589 &child, &children) != 0) { 2590 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 2591 if (strncmp(name, "/dev/dsk/", 9) == 0) 2592 name += 9; 2593 if (strncmp(path, "/dev/dsk/", 9) == 0) 2594 path += 9; 2595 if (strcmp(name, path) == 0) 2596 return (nv); 2597 return (NULL); 2598 } 2599 2600 for (c = 0; c < children; c++) 2601 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 2602 return (match); 2603 2604 return (NULL); 2605 } 2606 2607 static int 2608 zpool_do_attach_or_replace(int argc, char **argv, int replacing) 2609 { 2610 boolean_t force = B_FALSE; 2611 int c; 2612 nvlist_t *nvroot; 2613 char *poolname, *old_disk, *new_disk; 2614 zpool_handle_t *zhp; 2615 int ret; 2616 2617 /* check options */ 2618 while ((c = getopt(argc, argv, "f")) != -1) { 2619 switch (c) { 2620 case 'f': 2621 force = B_TRUE; 2622 break; 2623 case '?': 2624 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2625 optopt); 2626 usage(B_FALSE); 2627 } 2628 } 2629 2630 argc -= optind; 2631 argv += optind; 2632 2633 /* get pool name and check number of arguments */ 2634 if (argc < 1) { 2635 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2636 usage(B_FALSE); 2637 } 2638 2639 poolname = argv[0]; 2640 2641 if (argc < 2) { 2642 (void) fprintf(stderr, 2643 gettext("missing <device> specification\n")); 2644 usage(B_FALSE); 2645 } 2646 2647 old_disk = argv[1]; 2648 2649 if (argc < 3) { 2650 if (!replacing) { 2651 (void) fprintf(stderr, 2652 gettext("missing <new_device> specification\n")); 2653 usage(B_FALSE); 2654 } 2655 new_disk = old_disk; 2656 argc -= 1; 2657 argv += 1; 2658 } else { 2659 new_disk = argv[2]; 2660 argc -= 2; 2661 argv += 2; 2662 } 2663 2664 if (argc > 1) { 2665 (void) fprintf(stderr, gettext("too many arguments\n")); 2666 usage(B_FALSE); 2667 } 2668 2669 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2670 return (1); 2671 2672 if (zpool_get_config(zhp, NULL) == NULL) { 2673 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 2674 poolname); 2675 zpool_close(zhp); 2676 return (1); 2677 } 2678 2679 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 2680 argc, argv); 2681 if (nvroot == NULL) { 2682 zpool_close(zhp); 2683 return (1); 2684 } 2685 2686 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 2687 2688 nvlist_free(nvroot); 2689 zpool_close(zhp); 2690 2691 return (ret); 2692 } 2693 2694 /* 2695 * zpool replace [-f] <pool> <device> <new_device> 2696 * 2697 * -f Force attach, even if <new_device> appears to be in use. 2698 * 2699 * Replace <device> with <new_device>. 2700 */ 2701 /* ARGSUSED */ 2702 int 2703 zpool_do_replace(int argc, char **argv) 2704 { 2705 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 2706 } 2707 2708 /* 2709 * zpool attach [-f] <pool> <device> <new_device> 2710 * 2711 * -f Force attach, even if <new_device> appears to be in use. 2712 * 2713 * Attach <new_device> to the mirror containing <device>. If <device> is not 2714 * part of a mirror, then <device> will be transformed into a mirror of 2715 * <device> and <new_device>. In either case, <new_device> will begin life 2716 * with a DTL of [0, now], and will immediately begin to resilver itself. 2717 */ 2718 int 2719 zpool_do_attach(int argc, char **argv) 2720 { 2721 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 2722 } 2723 2724 /* 2725 * zpool detach [-f] <pool> <device> 2726 * 2727 * -f Force detach of <device>, even if DTLs argue against it 2728 * (not supported yet) 2729 * 2730 * Detach a device from a mirror. The operation will be refused if <device> 2731 * is the last device in the mirror, or if the DTLs indicate that this device 2732 * has the only valid copy of some data. 2733 */ 2734 /* ARGSUSED */ 2735 int 2736 zpool_do_detach(int argc, char **argv) 2737 { 2738 int c; 2739 char *poolname, *path; 2740 zpool_handle_t *zhp; 2741 int ret; 2742 2743 /* check options */ 2744 while ((c = getopt(argc, argv, "f")) != -1) { 2745 switch (c) { 2746 case 'f': 2747 case '?': 2748 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2749 optopt); 2750 usage(B_FALSE); 2751 } 2752 } 2753 2754 argc -= optind; 2755 argv += optind; 2756 2757 /* get pool name and check number of arguments */ 2758 if (argc < 1) { 2759 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2760 usage(B_FALSE); 2761 } 2762 2763 if (argc < 2) { 2764 (void) fprintf(stderr, 2765 gettext("missing <device> specification\n")); 2766 usage(B_FALSE); 2767 } 2768 2769 poolname = argv[0]; 2770 path = argv[1]; 2771 2772 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2773 return (1); 2774 2775 ret = zpool_vdev_detach(zhp, path); 2776 2777 zpool_close(zhp); 2778 2779 return (ret); 2780 } 2781 2782 /* 2783 * zpool split [-n] [-o prop=val] ... 2784 * [-o mntopt] ... 2785 * [-R altroot] <pool> <newpool> [<device> ...] 2786 * 2787 * -n Do not split the pool, but display the resulting layout if 2788 * it were to be split. 2789 * -o Set property=value, or set mount options. 2790 * -R Mount the split-off pool under an alternate root. 2791 * 2792 * Splits the named pool and gives it the new pool name. Devices to be split 2793 * off may be listed, provided that no more than one device is specified 2794 * per top-level vdev mirror. The newly split pool is left in an exported 2795 * state unless -R is specified. 2796 * 2797 * Restrictions: the top-level of the pool pool must only be made up of 2798 * mirrors; all devices in the pool must be healthy; no device may be 2799 * undergoing a resilvering operation. 2800 */ 2801 int 2802 zpool_do_split(int argc, char **argv) 2803 { 2804 char *srcpool, *newpool, *propval; 2805 char *mntopts = NULL; 2806 splitflags_t flags; 2807 int c, ret = 0; 2808 zpool_handle_t *zhp; 2809 nvlist_t *config, *props = NULL; 2810 2811 flags.dryrun = B_FALSE; 2812 flags.import = B_FALSE; 2813 2814 /* check options */ 2815 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 2816 switch (c) { 2817 case 'R': 2818 flags.import = B_TRUE; 2819 if (add_prop_list( 2820 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 2821 &props, B_TRUE) != 0) { 2822 if (props) 2823 nvlist_free(props); 2824 usage(B_FALSE); 2825 } 2826 break; 2827 case 'n': 2828 flags.dryrun = B_TRUE; 2829 break; 2830 case 'o': 2831 if ((propval = strchr(optarg, '=')) != NULL) { 2832 *propval = '\0'; 2833 propval++; 2834 if (add_prop_list(optarg, propval, 2835 &props, B_TRUE) != 0) { 2836 if (props) 2837 nvlist_free(props); 2838 usage(B_FALSE); 2839 } 2840 } else { 2841 mntopts = optarg; 2842 } 2843 break; 2844 case ':': 2845 (void) fprintf(stderr, gettext("missing argument for " 2846 "'%c' option\n"), optopt); 2847 usage(B_FALSE); 2848 break; 2849 case '?': 2850 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2851 optopt); 2852 usage(B_FALSE); 2853 break; 2854 } 2855 } 2856 2857 if (!flags.import && mntopts != NULL) { 2858 (void) fprintf(stderr, gettext("setting mntopts is only " 2859 "valid when importing the pool\n")); 2860 usage(B_FALSE); 2861 } 2862 2863 argc -= optind; 2864 argv += optind; 2865 2866 if (argc < 1) { 2867 (void) fprintf(stderr, gettext("Missing pool name\n")); 2868 usage(B_FALSE); 2869 } 2870 if (argc < 2) { 2871 (void) fprintf(stderr, gettext("Missing new pool name\n")); 2872 usage(B_FALSE); 2873 } 2874 2875 srcpool = argv[0]; 2876 newpool = argv[1]; 2877 2878 argc -= 2; 2879 argv += 2; 2880 2881 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 2882 return (1); 2883 2884 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 2885 if (config == NULL) { 2886 ret = 1; 2887 } else { 2888 if (flags.dryrun) { 2889 (void) printf(gettext("would create '%s' with the " 2890 "following layout:\n\n"), newpool); 2891 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 2892 } 2893 nvlist_free(config); 2894 } 2895 2896 zpool_close(zhp); 2897 2898 if (ret != 0 || flags.dryrun || !flags.import) 2899 return (ret); 2900 2901 /* 2902 * The split was successful. Now we need to open the new 2903 * pool and import it. 2904 */ 2905 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 2906 return (1); 2907 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 2908 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 2909 ret = 1; 2910 (void) fprintf(stderr, gettext("Split was succssful, but " 2911 "the datasets could not all be mounted\n")); 2912 (void) fprintf(stderr, gettext("Try doing '%s' with a " 2913 "different altroot\n"), "zpool import"); 2914 } 2915 zpool_close(zhp); 2916 2917 return (ret); 2918 } 2919 2920 2921 2922 /* 2923 * zpool online <pool> <device> ... 2924 */ 2925 int 2926 zpool_do_online(int argc, char **argv) 2927 { 2928 int c, i; 2929 char *poolname; 2930 zpool_handle_t *zhp; 2931 int ret = 0; 2932 vdev_state_t newstate; 2933 int flags = 0; 2934 2935 /* check options */ 2936 while ((c = getopt(argc, argv, "et")) != -1) { 2937 switch (c) { 2938 case 'e': 2939 flags |= ZFS_ONLINE_EXPAND; 2940 break; 2941 case 't': 2942 case '?': 2943 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2944 optopt); 2945 usage(B_FALSE); 2946 } 2947 } 2948 2949 argc -= optind; 2950 argv += optind; 2951 2952 /* get pool name and check number of arguments */ 2953 if (argc < 1) { 2954 (void) fprintf(stderr, gettext("missing pool name\n")); 2955 usage(B_FALSE); 2956 } 2957 if (argc < 2) { 2958 (void) fprintf(stderr, gettext("missing device name\n")); 2959 usage(B_FALSE); 2960 } 2961 2962 poolname = argv[0]; 2963 2964 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2965 return (1); 2966 2967 for (i = 1; i < argc; i++) { 2968 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 2969 if (newstate != VDEV_STATE_HEALTHY) { 2970 (void) printf(gettext("warning: device '%s' " 2971 "onlined, but remains in faulted state\n"), 2972 argv[i]); 2973 if (newstate == VDEV_STATE_FAULTED) 2974 (void) printf(gettext("use 'zpool " 2975 "clear' to restore a faulted " 2976 "device\n")); 2977 else 2978 (void) printf(gettext("use 'zpool " 2979 "replace' to replace devices " 2980 "that are no longer present\n")); 2981 } 2982 } else { 2983 ret = 1; 2984 } 2985 } 2986 2987 zpool_close(zhp); 2988 2989 return (ret); 2990 } 2991 2992 /* 2993 * zpool offline [-ft] <pool> <device> ... 2994 * 2995 * -f Force the device into the offline state, even if doing 2996 * so would appear to compromise pool availability. 2997 * (not supported yet) 2998 * 2999 * -t Only take the device off-line temporarily. The offline 3000 * state will not be persistent across reboots. 3001 */ 3002 /* ARGSUSED */ 3003 int 3004 zpool_do_offline(int argc, char **argv) 3005 { 3006 int c, i; 3007 char *poolname; 3008 zpool_handle_t *zhp; 3009 int ret = 0; 3010 boolean_t istmp = B_FALSE; 3011 3012 /* check options */ 3013 while ((c = getopt(argc, argv, "ft")) != -1) { 3014 switch (c) { 3015 case 't': 3016 istmp = B_TRUE; 3017 break; 3018 case 'f': 3019 case '?': 3020 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3021 optopt); 3022 usage(B_FALSE); 3023 } 3024 } 3025 3026 argc -= optind; 3027 argv += optind; 3028 3029 /* get pool name and check number of arguments */ 3030 if (argc < 1) { 3031 (void) fprintf(stderr, gettext("missing pool name\n")); 3032 usage(B_FALSE); 3033 } 3034 if (argc < 2) { 3035 (void) fprintf(stderr, gettext("missing device name\n")); 3036 usage(B_FALSE); 3037 } 3038 3039 poolname = argv[0]; 3040 3041 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3042 return (1); 3043 3044 for (i = 1; i < argc; i++) { 3045 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 3046 ret = 1; 3047 } 3048 3049 zpool_close(zhp); 3050 3051 return (ret); 3052 } 3053 3054 /* 3055 * zpool clear <pool> [device] 3056 * 3057 * Clear all errors associated with a pool or a particular device. 3058 */ 3059 int 3060 zpool_do_clear(int argc, char **argv) 3061 { 3062 int c; 3063 int ret = 0; 3064 boolean_t dryrun = B_FALSE; 3065 boolean_t do_rewind = B_FALSE; 3066 boolean_t xtreme_rewind = B_FALSE; 3067 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3068 nvlist_t *policy = NULL; 3069 zpool_handle_t *zhp; 3070 char *pool, *device; 3071 3072 /* check options */ 3073 while ((c = getopt(argc, argv, "FnX")) != -1) { 3074 switch (c) { 3075 case 'F': 3076 do_rewind = B_TRUE; 3077 break; 3078 case 'n': 3079 dryrun = B_TRUE; 3080 break; 3081 case 'X': 3082 xtreme_rewind = B_TRUE; 3083 break; 3084 case '?': 3085 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3086 optopt); 3087 usage(B_FALSE); 3088 } 3089 } 3090 3091 argc -= optind; 3092 argv += optind; 3093 3094 if (argc < 1) { 3095 (void) fprintf(stderr, gettext("missing pool name\n")); 3096 usage(B_FALSE); 3097 } 3098 3099 if (argc > 2) { 3100 (void) fprintf(stderr, gettext("too many arguments\n")); 3101 usage(B_FALSE); 3102 } 3103 3104 if ((dryrun || xtreme_rewind) && !do_rewind) { 3105 (void) fprintf(stderr, 3106 gettext("-n or -X only meaningful with -F\n")); 3107 usage(B_FALSE); 3108 } 3109 if (dryrun) 3110 rewind_policy = ZPOOL_TRY_REWIND; 3111 else if (do_rewind) 3112 rewind_policy = ZPOOL_DO_REWIND; 3113 if (xtreme_rewind) 3114 rewind_policy |= ZPOOL_EXTREME_REWIND; 3115 3116 /* In future, further rewind policy choices can be passed along here */ 3117 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3118 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3119 return (1); 3120 3121 pool = argv[0]; 3122 device = argc == 2 ? argv[1] : NULL; 3123 3124 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3125 nvlist_free(policy); 3126 return (1); 3127 } 3128 3129 if (zpool_clear(zhp, device, policy) != 0) 3130 ret = 1; 3131 3132 zpool_close(zhp); 3133 3134 nvlist_free(policy); 3135 3136 return (ret); 3137 } 3138 3139 typedef struct scrub_cbdata { 3140 int cb_type; 3141 int cb_argc; 3142 char **cb_argv; 3143 } scrub_cbdata_t; 3144 3145 int 3146 scrub_callback(zpool_handle_t *zhp, void *data) 3147 { 3148 scrub_cbdata_t *cb = data; 3149 int err; 3150 3151 /* 3152 * Ignore faulted pools. 3153 */ 3154 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3155 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3156 "currently unavailable\n"), zpool_get_name(zhp)); 3157 return (1); 3158 } 3159 3160 err = zpool_scan(zhp, cb->cb_type); 3161 3162 return (err != 0); 3163 } 3164 3165 /* 3166 * zpool scrub [-s] <pool> ... 3167 * 3168 * -s Stop. Stops any in-progress scrub. 3169 */ 3170 int 3171 zpool_do_scrub(int argc, char **argv) 3172 { 3173 int c; 3174 scrub_cbdata_t cb; 3175 3176 cb.cb_type = POOL_SCAN_SCRUB; 3177 3178 /* check options */ 3179 while ((c = getopt(argc, argv, "s")) != -1) { 3180 switch (c) { 3181 case 's': 3182 cb.cb_type = POOL_SCAN_NONE; 3183 break; 3184 case '?': 3185 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3186 optopt); 3187 usage(B_FALSE); 3188 } 3189 } 3190 3191 cb.cb_argc = argc; 3192 cb.cb_argv = argv; 3193 argc -= optind; 3194 argv += optind; 3195 3196 if (argc < 1) { 3197 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3198 usage(B_FALSE); 3199 } 3200 3201 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3202 } 3203 3204 typedef struct status_cbdata { 3205 int cb_count; 3206 boolean_t cb_allpools; 3207 boolean_t cb_verbose; 3208 boolean_t cb_explain; 3209 boolean_t cb_first; 3210 boolean_t cb_dedup_stats; 3211 } status_cbdata_t; 3212 3213 /* 3214 * Print out detailed scrub status. 3215 */ 3216 void 3217 print_scan_status(pool_scan_stat_t *ps) 3218 { 3219 time_t start, end; 3220 uint64_t elapsed, mins_left; 3221 uint64_t pass_exam, examined, total; 3222 uint_t rate; 3223 double fraction_done; 3224 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7]; 3225 3226 (void) printf(gettext(" scan: ")); 3227 3228 /* If there's never been a scan, there's not much to say. */ 3229 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE || 3230 ps->pss_func >= POOL_SCAN_FUNCS) { 3231 (void) printf(gettext("none requested\n")); 3232 return; 3233 } 3234 3235 start = ps->pss_start_time; 3236 end = ps->pss_end_time; 3237 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf)); 3238 3239 assert(ps->pss_func == POOL_SCAN_SCRUB || 3240 ps->pss_func == POOL_SCAN_RESILVER); 3241 /* 3242 * Scan is finished or canceled. 3243 */ 3244 if (ps->pss_state == DSS_FINISHED) { 3245 uint64_t minutes_taken = (end - start) / 60; 3246 char *fmt; 3247 3248 if (ps->pss_func == POOL_SCAN_SCRUB) { 3249 fmt = gettext("scrub repaired %s in %lluh%um with " 3250 "%llu errors on %s"); 3251 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3252 fmt = gettext("resilvered %s in %lluh%um with " 3253 "%llu errors on %s"); 3254 } 3255 /* LINTED */ 3256 (void) printf(fmt, processed_buf, 3257 (u_longlong_t)(minutes_taken / 60), 3258 (uint_t)(minutes_taken % 60), 3259 (u_longlong_t)ps->pss_errors, 3260 ctime((time_t *)&end)); 3261 return; 3262 } else if (ps->pss_state == DSS_CANCELED) { 3263 if (ps->pss_func == POOL_SCAN_SCRUB) { 3264 (void) printf(gettext("scrub canceled on %s"), 3265 ctime(&end)); 3266 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3267 (void) printf(gettext("resilver canceled on %s"), 3268 ctime(&end)); 3269 } 3270 return; 3271 } 3272 3273 assert(ps->pss_state == DSS_SCANNING); 3274 3275 /* 3276 * Scan is in progress. 3277 */ 3278 if (ps->pss_func == POOL_SCAN_SCRUB) { 3279 (void) printf(gettext("scrub in progress since %s"), 3280 ctime(&start)); 3281 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3282 (void) printf(gettext("resilver in progress since %s"), 3283 ctime(&start)); 3284 } 3285 3286 examined = ps->pss_examined ? ps->pss_examined : 1; 3287 total = ps->pss_to_examine; 3288 fraction_done = (double)examined / total; 3289 3290 /* elapsed time for this pass */ 3291 elapsed = time(NULL) - ps->pss_pass_start; 3292 elapsed = elapsed ? elapsed : 1; 3293 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1; 3294 rate = pass_exam / elapsed; 3295 rate = rate ? rate : 1; 3296 mins_left = ((total - examined) / rate) / 60; 3297 3298 zfs_nicenum(examined, examined_buf, sizeof (examined_buf)); 3299 zfs_nicenum(total, total_buf, sizeof (total_buf)); 3300 zfs_nicenum(rate, rate_buf, sizeof (rate_buf)); 3301 3302 (void) printf(gettext(" %s scanned out of %s at " 3303 "%s/s, %lluh%um to go\n"), examined_buf, total_buf, rate_buf, 3304 (u_longlong_t)(mins_left / 60), 3305 (uint_t)(mins_left % 60)); 3306 3307 if (ps->pss_func == POOL_SCAN_RESILVER) { 3308 (void) printf(gettext(" %s resilvered, %.2f%% done\n"), 3309 processed_buf, 100 * fraction_done); 3310 } else if (ps->pss_func == POOL_SCAN_SCRUB) { 3311 (void) printf(gettext(" %s repaired, %.2f%% done\n"), 3312 processed_buf, 100 * fraction_done); 3313 } 3314 } 3315 3316 static void 3317 print_error_log(zpool_handle_t *zhp) 3318 { 3319 nvlist_t *nverrlist = NULL; 3320 nvpair_t *elem; 3321 char *pathname; 3322 size_t len = MAXPATHLEN * 2; 3323 3324 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3325 (void) printf("errors: List of errors unavailable " 3326 "(insufficient privileges)\n"); 3327 return; 3328 } 3329 3330 (void) printf("errors: Permanent errors have been " 3331 "detected in the following files:\n\n"); 3332 3333 pathname = safe_malloc(len); 3334 elem = NULL; 3335 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 3336 nvlist_t *nv; 3337 uint64_t dsobj, obj; 3338 3339 verify(nvpair_value_nvlist(elem, &nv) == 0); 3340 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 3341 &dsobj) == 0); 3342 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 3343 &obj) == 0); 3344 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 3345 (void) printf("%7s %s\n", "", pathname); 3346 } 3347 free(pathname); 3348 nvlist_free(nverrlist); 3349 } 3350 3351 static void 3352 print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 3353 int namewidth) 3354 { 3355 uint_t i; 3356 char *name; 3357 3358 if (nspares == 0) 3359 return; 3360 3361 (void) printf(gettext("\tspares\n")); 3362 3363 for (i = 0; i < nspares; i++) { 3364 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 3365 print_status_config(zhp, name, spares[i], 3366 namewidth, 2, B_TRUE); 3367 free(name); 3368 } 3369 } 3370 3371 static void 3372 print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 3373 int namewidth) 3374 { 3375 uint_t i; 3376 char *name; 3377 3378 if (nl2cache == 0) 3379 return; 3380 3381 (void) printf(gettext("\tcache\n")); 3382 3383 for (i = 0; i < nl2cache; i++) { 3384 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 3385 print_status_config(zhp, name, l2cache[i], 3386 namewidth, 2, B_FALSE); 3387 free(name); 3388 } 3389 } 3390 3391 static void 3392 print_dedup_stats(nvlist_t *config) 3393 { 3394 ddt_histogram_t *ddh; 3395 ddt_stat_t *dds; 3396 ddt_object_t *ddo; 3397 uint_t c; 3398 3399 /* 3400 * If the pool was faulted then we may not have been able to 3401 * obtain the config. Otherwise, if have anything in the dedup 3402 * table continue processing the stats. 3403 */ 3404 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 3405 (uint64_t **)&ddo, &c) != 0 || ddo->ddo_count == 0) 3406 return; 3407 3408 (void) printf("\n"); 3409 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 3410 (u_longlong_t)ddo->ddo_count, 3411 (u_longlong_t)ddo->ddo_dspace, 3412 (u_longlong_t)ddo->ddo_mspace); 3413 3414 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 3415 (uint64_t **)&dds, &c) == 0); 3416 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 3417 (uint64_t **)&ddh, &c) == 0); 3418 zpool_dump_ddt(dds, ddh); 3419 } 3420 3421 /* 3422 * Display a summary of pool status. Displays a summary such as: 3423 * 3424 * pool: tank 3425 * status: DEGRADED 3426 * reason: One or more devices ... 3427 * see: http://www.sun.com/msg/ZFS-xxxx-01 3428 * config: 3429 * mirror DEGRADED 3430 * c1t0d0 OK 3431 * c2t0d0 UNAVAIL 3432 * 3433 * When given the '-v' option, we print out the complete config. If the '-e' 3434 * option is specified, then we print out error rate information as well. 3435 */ 3436 int 3437 status_callback(zpool_handle_t *zhp, void *data) 3438 { 3439 status_cbdata_t *cbp = data; 3440 nvlist_t *config, *nvroot; 3441 char *msgid; 3442 int reason; 3443 const char *health; 3444 uint_t c; 3445 vdev_stat_t *vs; 3446 3447 config = zpool_get_config(zhp, NULL); 3448 reason = zpool_get_status(zhp, &msgid); 3449 3450 cbp->cb_count++; 3451 3452 /* 3453 * If we were given 'zpool status -x', only report those pools with 3454 * problems. 3455 */ 3456 if (reason == ZPOOL_STATUS_OK && cbp->cb_explain) { 3457 if (!cbp->cb_allpools) { 3458 (void) printf(gettext("pool '%s' is healthy\n"), 3459 zpool_get_name(zhp)); 3460 if (cbp->cb_first) 3461 cbp->cb_first = B_FALSE; 3462 } 3463 return (0); 3464 } 3465 3466 if (cbp->cb_first) 3467 cbp->cb_first = B_FALSE; 3468 else 3469 (void) printf("\n"); 3470 3471 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3472 &nvroot) == 0); 3473 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 3474 (uint64_t **)&vs, &c) == 0); 3475 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 3476 3477 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 3478 (void) printf(gettext(" state: %s\n"), health); 3479 3480 switch (reason) { 3481 case ZPOOL_STATUS_MISSING_DEV_R: 3482 (void) printf(gettext("status: One or more devices could not " 3483 "be opened. Sufficient replicas exist for\n\tthe pool to " 3484 "continue functioning in a degraded state.\n")); 3485 (void) printf(gettext("action: Attach the missing device and " 3486 "online it using 'zpool online'.\n")); 3487 break; 3488 3489 case ZPOOL_STATUS_MISSING_DEV_NR: 3490 (void) printf(gettext("status: One or more devices could not " 3491 "be opened. There are insufficient\n\treplicas for the " 3492 "pool to continue functioning.\n")); 3493 (void) printf(gettext("action: Attach the missing device and " 3494 "online it using 'zpool online'.\n")); 3495 break; 3496 3497 case ZPOOL_STATUS_CORRUPT_LABEL_R: 3498 (void) printf(gettext("status: One or more devices could not " 3499 "be used because the label is missing or\n\tinvalid. " 3500 "Sufficient replicas exist for the pool to continue\n\t" 3501 "functioning in a degraded state.\n")); 3502 (void) printf(gettext("action: Replace the device using " 3503 "'zpool replace'.\n")); 3504 break; 3505 3506 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 3507 (void) printf(gettext("status: One or more devices could not " 3508 "be used because the label is missing \n\tor invalid. " 3509 "There are insufficient replicas for the pool to " 3510 "continue\n\tfunctioning.\n")); 3511 zpool_explain_recover(zpool_get_handle(zhp), 3512 zpool_get_name(zhp), reason, config); 3513 break; 3514 3515 case ZPOOL_STATUS_FAILING_DEV: 3516 (void) printf(gettext("status: One or more devices has " 3517 "experienced an unrecoverable error. An\n\tattempt was " 3518 "made to correct the error. Applications are " 3519 "unaffected.\n")); 3520 (void) printf(gettext("action: Determine if the device needs " 3521 "to be replaced, and clear the errors\n\tusing " 3522 "'zpool clear' or replace the device with 'zpool " 3523 "replace'.\n")); 3524 break; 3525 3526 case ZPOOL_STATUS_OFFLINE_DEV: 3527 (void) printf(gettext("status: One or more devices has " 3528 "been taken offline by the administrator.\n\tSufficient " 3529 "replicas exist for the pool to continue functioning in " 3530 "a\n\tdegraded state.\n")); 3531 (void) printf(gettext("action: Online the device using " 3532 "'zpool online' or replace the device with\n\t'zpool " 3533 "replace'.\n")); 3534 break; 3535 3536 case ZPOOL_STATUS_REMOVED_DEV: 3537 (void) printf(gettext("status: One or more devices has " 3538 "been removed by the administrator.\n\tSufficient " 3539 "replicas exist for the pool to continue functioning in " 3540 "a\n\tdegraded state.\n")); 3541 (void) printf(gettext("action: Online the device using " 3542 "'zpool online' or replace the device with\n\t'zpool " 3543 "replace'.\n")); 3544 break; 3545 3546 case ZPOOL_STATUS_RESILVERING: 3547 (void) printf(gettext("status: One or more devices is " 3548 "currently being resilvered. The pool will\n\tcontinue " 3549 "to function, possibly in a degraded state.\n")); 3550 (void) printf(gettext("action: Wait for the resilver to " 3551 "complete.\n")); 3552 break; 3553 3554 case ZPOOL_STATUS_CORRUPT_DATA: 3555 (void) printf(gettext("status: One or more devices has " 3556 "experienced an error resulting in data\n\tcorruption. " 3557 "Applications may be affected.\n")); 3558 (void) printf(gettext("action: Restore the file in question " 3559 "if possible. Otherwise restore the\n\tentire pool from " 3560 "backup.\n")); 3561 break; 3562 3563 case ZPOOL_STATUS_CORRUPT_POOL: 3564 (void) printf(gettext("status: The pool metadata is corrupted " 3565 "and the pool cannot be opened.\n")); 3566 zpool_explain_recover(zpool_get_handle(zhp), 3567 zpool_get_name(zhp), reason, config); 3568 break; 3569 3570 case ZPOOL_STATUS_VERSION_OLDER: 3571 (void) printf(gettext("status: The pool is formatted using an " 3572 "older on-disk format. The pool can\n\tstill be used, but " 3573 "some features are unavailable.\n")); 3574 (void) printf(gettext("action: Upgrade the pool using 'zpool " 3575 "upgrade'. Once this is done, the\n\tpool will no longer " 3576 "be accessible on older software versions.\n")); 3577 break; 3578 3579 case ZPOOL_STATUS_VERSION_NEWER: 3580 (void) printf(gettext("status: The pool has been upgraded to a " 3581 "newer, incompatible on-disk version.\n\tThe pool cannot " 3582 "be accessed on this system.\n")); 3583 (void) printf(gettext("action: Access the pool from a system " 3584 "running more recent software, or\n\trestore the pool from " 3585 "backup.\n")); 3586 break; 3587 3588 case ZPOOL_STATUS_FAULTED_DEV_R: 3589 (void) printf(gettext("status: One or more devices are " 3590 "faulted in response to persistent errors.\n\tSufficient " 3591 "replicas exist for the pool to continue functioning " 3592 "in a\n\tdegraded state.\n")); 3593 (void) printf(gettext("action: Replace the faulted device, " 3594 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 3595 break; 3596 3597 case ZPOOL_STATUS_FAULTED_DEV_NR: 3598 (void) printf(gettext("status: One or more devices are " 3599 "faulted in response to persistent errors. There are " 3600 "insufficient replicas for the pool to\n\tcontinue " 3601 "functioning.\n")); 3602 (void) printf(gettext("action: Destroy and re-create the pool " 3603 "from a backup source. Manually marking the device\n" 3604 "\trepaired using 'zpool clear' may allow some data " 3605 "to be recovered.\n")); 3606 break; 3607 3608 case ZPOOL_STATUS_IO_FAILURE_WAIT: 3609 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 3610 (void) printf(gettext("status: One or more devices are " 3611 "faulted in response to IO failures.\n")); 3612 (void) printf(gettext("action: Make sure the affected devices " 3613 "are connected, then run 'zpool clear'.\n")); 3614 break; 3615 3616 case ZPOOL_STATUS_BAD_LOG: 3617 (void) printf(gettext("status: An intent log record " 3618 "could not be read.\n" 3619 "\tWaiting for adminstrator intervention to fix the " 3620 "faulted pool.\n")); 3621 (void) printf(gettext("action: Either restore the affected " 3622 "device(s) and run 'zpool online',\n" 3623 "\tor ignore the intent log records by running " 3624 "'zpool clear'.\n")); 3625 break; 3626 3627 default: 3628 /* 3629 * The remaining errors can't actually be generated, yet. 3630 */ 3631 assert(reason == ZPOOL_STATUS_OK); 3632 } 3633 3634 if (msgid != NULL) 3635 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 3636 msgid); 3637 3638 if (config != NULL) { 3639 int namewidth; 3640 uint64_t nerr; 3641 nvlist_t **spares, **l2cache; 3642 uint_t nspares, nl2cache; 3643 pool_scan_stat_t *ps = NULL; 3644 3645 (void) nvlist_lookup_uint64_array(nvroot, 3646 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c); 3647 print_scan_status(ps); 3648 3649 namewidth = max_width(zhp, nvroot, 0, 0); 3650 if (namewidth < 10) 3651 namewidth = 10; 3652 3653 (void) printf(gettext("config:\n\n")); 3654 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 3655 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 3656 print_status_config(zhp, zpool_get_name(zhp), nvroot, 3657 namewidth, 0, B_FALSE); 3658 3659 if (num_logs(nvroot) > 0) 3660 print_logs(zhp, nvroot, namewidth, B_TRUE); 3661 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 3662 &l2cache, &nl2cache) == 0) 3663 print_l2cache(zhp, l2cache, nl2cache, namewidth); 3664 3665 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 3666 &spares, &nspares) == 0) 3667 print_spares(zhp, spares, nspares, namewidth); 3668 3669 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 3670 &nerr) == 0) { 3671 nvlist_t *nverrlist = NULL; 3672 3673 /* 3674 * If the approximate error count is small, get a 3675 * precise count by fetching the entire log and 3676 * uniquifying the results. 3677 */ 3678 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 3679 zpool_get_errlog(zhp, &nverrlist) == 0) { 3680 nvpair_t *elem; 3681 3682 elem = NULL; 3683 nerr = 0; 3684 while ((elem = nvlist_next_nvpair(nverrlist, 3685 elem)) != NULL) { 3686 nerr++; 3687 } 3688 } 3689 nvlist_free(nverrlist); 3690 3691 (void) printf("\n"); 3692 3693 if (nerr == 0) 3694 (void) printf(gettext("errors: No known data " 3695 "errors\n")); 3696 else if (!cbp->cb_verbose) 3697 (void) printf(gettext("errors: %llu data " 3698 "errors, use '-v' for a list\n"), 3699 (u_longlong_t)nerr); 3700 else 3701 print_error_log(zhp); 3702 } 3703 3704 if (cbp->cb_dedup_stats) 3705 print_dedup_stats(config); 3706 } else { 3707 (void) printf(gettext("config: The configuration cannot be " 3708 "determined.\n")); 3709 } 3710 3711 return (0); 3712 } 3713 3714 /* 3715 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]] 3716 * 3717 * -v Display complete error logs 3718 * -x Display only pools with potential problems 3719 * -D Display dedup status (undocumented) 3720 * -T Display a timestamp in date(1) or Unix format 3721 * 3722 * Describes the health status of all pools or some subset. 3723 */ 3724 int 3725 zpool_do_status(int argc, char **argv) 3726 { 3727 int c; 3728 int ret; 3729 unsigned long interval = 0, count = 0; 3730 status_cbdata_t cb = { 0 }; 3731 3732 /* check options */ 3733 while ((c = getopt(argc, argv, "vxDT:")) != -1) { 3734 switch (c) { 3735 case 'v': 3736 cb.cb_verbose = B_TRUE; 3737 break; 3738 case 'x': 3739 cb.cb_explain = B_TRUE; 3740 break; 3741 case 'D': 3742 cb.cb_dedup_stats = B_TRUE; 3743 break; 3744 case 'T': 3745 get_timestamp_arg(*optarg); 3746 break; 3747 case '?': 3748 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3749 optopt); 3750 usage(B_FALSE); 3751 } 3752 } 3753 3754 argc -= optind; 3755 argv += optind; 3756 3757 get_interval_count(&argc, argv, &interval, &count); 3758 3759 if (argc == 0) 3760 cb.cb_allpools = B_TRUE; 3761 3762 cb.cb_first = B_TRUE; 3763 3764 for (;;) { 3765 if (timestamp_fmt != NODATE) 3766 print_timestamp(timestamp_fmt); 3767 3768 ret = for_each_pool(argc, argv, B_TRUE, NULL, 3769 status_callback, &cb); 3770 3771 if (argc == 0 && cb.cb_count == 0) 3772 (void) printf(gettext("no pools available\n")); 3773 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 3774 (void) printf(gettext("all pools are healthy\n")); 3775 3776 if (ret != 0) 3777 return (ret); 3778 3779 if (interval == 0) 3780 break; 3781 3782 if (count != 0 && --count == 0) 3783 break; 3784 3785 (void) sleep(interval); 3786 } 3787 3788 return (0); 3789 } 3790 3791 typedef struct upgrade_cbdata { 3792 int cb_all; 3793 int cb_first; 3794 int cb_newer; 3795 int cb_argc; 3796 uint64_t cb_version; 3797 char **cb_argv; 3798 } upgrade_cbdata_t; 3799 3800 static int 3801 upgrade_cb(zpool_handle_t *zhp, void *arg) 3802 { 3803 upgrade_cbdata_t *cbp = arg; 3804 nvlist_t *config; 3805 uint64_t version; 3806 int ret = 0; 3807 3808 config = zpool_get_config(zhp, NULL); 3809 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 3810 &version) == 0); 3811 3812 if (!cbp->cb_newer && version < SPA_VERSION) { 3813 if (!cbp->cb_all) { 3814 if (cbp->cb_first) { 3815 (void) printf(gettext("The following pools are " 3816 "out of date, and can be upgraded. After " 3817 "being\nupgraded, these pools will no " 3818 "longer be accessible by older software " 3819 "versions.\n\n")); 3820 (void) printf(gettext("VER POOL\n")); 3821 (void) printf(gettext("--- ------------\n")); 3822 cbp->cb_first = B_FALSE; 3823 } 3824 3825 (void) printf("%2llu %s\n", (u_longlong_t)version, 3826 zpool_get_name(zhp)); 3827 } else { 3828 cbp->cb_first = B_FALSE; 3829 ret = zpool_upgrade(zhp, cbp->cb_version); 3830 if (!ret) { 3831 (void) printf(gettext("Successfully upgraded " 3832 "'%s'\n\n"), zpool_get_name(zhp)); 3833 } 3834 } 3835 } else if (cbp->cb_newer && version > SPA_VERSION) { 3836 assert(!cbp->cb_all); 3837 3838 if (cbp->cb_first) { 3839 (void) printf(gettext("The following pools are " 3840 "formatted using a newer software version and\n" 3841 "cannot be accessed on the current system.\n\n")); 3842 (void) printf(gettext("VER POOL\n")); 3843 (void) printf(gettext("--- ------------\n")); 3844 cbp->cb_first = B_FALSE; 3845 } 3846 3847 (void) printf("%2llu %s\n", (u_longlong_t)version, 3848 zpool_get_name(zhp)); 3849 } 3850 3851 zpool_close(zhp); 3852 return (ret); 3853 } 3854 3855 /* ARGSUSED */ 3856 static int 3857 upgrade_one(zpool_handle_t *zhp, void *data) 3858 { 3859 upgrade_cbdata_t *cbp = data; 3860 uint64_t cur_version; 3861 int ret; 3862 3863 if (strcmp("log", zpool_get_name(zhp)) == 0) { 3864 (void) printf(gettext("'log' is now a reserved word\n" 3865 "Pool 'log' must be renamed using export and import" 3866 " to upgrade.\n")); 3867 return (1); 3868 } 3869 3870 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 3871 if (cur_version > cbp->cb_version) { 3872 (void) printf(gettext("Pool '%s' is already formatted " 3873 "using more current version '%llu'.\n"), 3874 zpool_get_name(zhp), cur_version); 3875 return (0); 3876 } 3877 if (cur_version == cbp->cb_version) { 3878 (void) printf(gettext("Pool '%s' is already formatted " 3879 "using the current version.\n"), zpool_get_name(zhp)); 3880 return (0); 3881 } 3882 3883 ret = zpool_upgrade(zhp, cbp->cb_version); 3884 3885 if (!ret) { 3886 (void) printf(gettext("Successfully upgraded '%s' " 3887 "from version %llu to version %llu\n\n"), 3888 zpool_get_name(zhp), (u_longlong_t)cur_version, 3889 (u_longlong_t)cbp->cb_version); 3890 } 3891 3892 return (ret != 0); 3893 } 3894 3895 /* 3896 * zpool upgrade 3897 * zpool upgrade -v 3898 * zpool upgrade [-V version] <-a | pool ...> 3899 * 3900 * With no arguments, display downrev'd ZFS pool available for upgrade. 3901 * Individual pools can be upgraded by specifying the pool, and '-a' will 3902 * upgrade all pools. 3903 */ 3904 int 3905 zpool_do_upgrade(int argc, char **argv) 3906 { 3907 int c; 3908 upgrade_cbdata_t cb = { 0 }; 3909 int ret = 0; 3910 boolean_t showversions = B_FALSE; 3911 char *end; 3912 3913 3914 /* check options */ 3915 while ((c = getopt(argc, argv, ":avV:")) != -1) { 3916 switch (c) { 3917 case 'a': 3918 cb.cb_all = B_TRUE; 3919 break; 3920 case 'v': 3921 showversions = B_TRUE; 3922 break; 3923 case 'V': 3924 cb.cb_version = strtoll(optarg, &end, 10); 3925 if (*end != '\0' || cb.cb_version > SPA_VERSION || 3926 cb.cb_version < SPA_VERSION_1) { 3927 (void) fprintf(stderr, 3928 gettext("invalid version '%s'\n"), optarg); 3929 usage(B_FALSE); 3930 } 3931 break; 3932 case ':': 3933 (void) fprintf(stderr, gettext("missing argument for " 3934 "'%c' option\n"), optopt); 3935 usage(B_FALSE); 3936 break; 3937 case '?': 3938 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3939 optopt); 3940 usage(B_FALSE); 3941 } 3942 } 3943 3944 cb.cb_argc = argc; 3945 cb.cb_argv = argv; 3946 argc -= optind; 3947 argv += optind; 3948 3949 if (cb.cb_version == 0) { 3950 cb.cb_version = SPA_VERSION; 3951 } else if (!cb.cb_all && argc == 0) { 3952 (void) fprintf(stderr, gettext("-V option is " 3953 "incompatible with other arguments\n")); 3954 usage(B_FALSE); 3955 } 3956 3957 if (showversions) { 3958 if (cb.cb_all || argc != 0) { 3959 (void) fprintf(stderr, gettext("-v option is " 3960 "incompatible with other arguments\n")); 3961 usage(B_FALSE); 3962 } 3963 } else if (cb.cb_all) { 3964 if (argc != 0) { 3965 (void) fprintf(stderr, gettext("-a option should not " 3966 "be used along with a pool name\n")); 3967 usage(B_FALSE); 3968 } 3969 } 3970 3971 (void) printf(gettext("This system is currently running " 3972 "ZFS pool version %llu.\n\n"), SPA_VERSION); 3973 cb.cb_first = B_TRUE; 3974 if (showversions) { 3975 (void) printf(gettext("The following versions are " 3976 "supported:\n\n")); 3977 (void) printf(gettext("VER DESCRIPTION\n")); 3978 (void) printf("--- -----------------------------------------" 3979 "---------------\n"); 3980 (void) printf(gettext(" 1 Initial ZFS version\n")); 3981 (void) printf(gettext(" 2 Ditto blocks " 3982 "(replicated metadata)\n")); 3983 (void) printf(gettext(" 3 Hot spares and double parity " 3984 "RAID-Z\n")); 3985 (void) printf(gettext(" 4 zpool history\n")); 3986 (void) printf(gettext(" 5 Compression using the gzip " 3987 "algorithm\n")); 3988 (void) printf(gettext(" 6 bootfs pool property\n")); 3989 (void) printf(gettext(" 7 Separate intent log devices\n")); 3990 (void) printf(gettext(" 8 Delegated administration\n")); 3991 (void) printf(gettext(" 9 refquota and refreservation " 3992 "properties\n")); 3993 (void) printf(gettext(" 10 Cache devices\n")); 3994 (void) printf(gettext(" 11 Improved scrub performance\n")); 3995 (void) printf(gettext(" 12 Snapshot properties\n")); 3996 (void) printf(gettext(" 13 snapused property\n")); 3997 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 3998 (void) printf(gettext(" 15 user/group space accounting\n")); 3999 (void) printf(gettext(" 16 stmf property support\n")); 4000 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 4001 (void) printf(gettext(" 18 Snapshot user holds\n")); 4002 (void) printf(gettext(" 19 Log device removal\n")); 4003 (void) printf(gettext(" 20 Compression using zle " 4004 "(zero-length encoding)\n")); 4005 (void) printf(gettext(" 21 Deduplication\n")); 4006 (void) printf(gettext(" 22 Received properties\n")); 4007 (void) printf(gettext(" 23 Slim ZIL\n")); 4008 (void) printf(gettext(" 24 System attributes\n")); 4009 (void) printf(gettext(" 25 Improved scrub stats\n")); 4010 (void) printf(gettext(" 26 Improved snapshot deletion " 4011 "performance\n")); 4012 (void) printf(gettext("\nFor more information on a particular " 4013 "version, including supported releases,\n")); 4014 (void) printf(gettext("see the ZFS Administration Guide.\n\n")); 4015 } else if (argc == 0) { 4016 int notfound; 4017 4018 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4019 notfound = cb.cb_first; 4020 4021 if (!cb.cb_all && ret == 0) { 4022 if (!cb.cb_first) 4023 (void) printf("\n"); 4024 cb.cb_first = B_TRUE; 4025 cb.cb_newer = B_TRUE; 4026 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4027 if (!cb.cb_first) { 4028 notfound = B_FALSE; 4029 (void) printf("\n"); 4030 } 4031 } 4032 4033 if (ret == 0) { 4034 if (notfound) 4035 (void) printf(gettext("All pools are formatted " 4036 "using this version.\n")); 4037 else if (!cb.cb_all) 4038 (void) printf(gettext("Use 'zpool upgrade -v' " 4039 "for a list of available versions and " 4040 "their associated\nfeatures.\n")); 4041 } 4042 } else { 4043 ret = for_each_pool(argc, argv, B_FALSE, NULL, 4044 upgrade_one, &cb); 4045 } 4046 4047 return (ret); 4048 } 4049 4050 typedef struct hist_cbdata { 4051 boolean_t first; 4052 int longfmt; 4053 int internal; 4054 } hist_cbdata_t; 4055 4056 /* 4057 * Print out the command history for a specific pool. 4058 */ 4059 static int 4060 get_history_one(zpool_handle_t *zhp, void *data) 4061 { 4062 nvlist_t *nvhis; 4063 nvlist_t **records; 4064 uint_t numrecords; 4065 char *cmdstr; 4066 char *pathstr; 4067 uint64_t dst_time; 4068 time_t tsec; 4069 struct tm t; 4070 char tbuf[30]; 4071 int ret, i; 4072 uint64_t who; 4073 struct passwd *pwd; 4074 char *hostname; 4075 char *zonename; 4076 char internalstr[MAXPATHLEN]; 4077 hist_cbdata_t *cb = (hist_cbdata_t *)data; 4078 uint64_t txg; 4079 uint64_t ievent; 4080 4081 cb->first = B_FALSE; 4082 4083 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 4084 4085 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 4086 return (ret); 4087 4088 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 4089 &records, &numrecords) == 0); 4090 for (i = 0; i < numrecords; i++) { 4091 if (nvlist_lookup_uint64(records[i], ZPOOL_HIST_TIME, 4092 &dst_time) != 0) 4093 continue; 4094 4095 /* is it an internal event or a standard event? */ 4096 if (nvlist_lookup_string(records[i], ZPOOL_HIST_CMD, 4097 &cmdstr) != 0) { 4098 if (cb->internal == 0) 4099 continue; 4100 4101 if (nvlist_lookup_uint64(records[i], 4102 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 4103 continue; 4104 verify(nvlist_lookup_uint64(records[i], 4105 ZPOOL_HIST_TXG, &txg) == 0); 4106 verify(nvlist_lookup_string(records[i], 4107 ZPOOL_HIST_INT_STR, &pathstr) == 0); 4108 if (ievent >= LOG_END) 4109 continue; 4110 (void) snprintf(internalstr, 4111 sizeof (internalstr), 4112 "[internal %s txg:%lld] %s", 4113 zfs_history_event_names[ievent], txg, 4114 pathstr); 4115 cmdstr = internalstr; 4116 } 4117 tsec = dst_time; 4118 (void) localtime_r(&tsec, &t); 4119 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 4120 (void) printf("%s %s", tbuf, cmdstr); 4121 4122 if (!cb->longfmt) { 4123 (void) printf("\n"); 4124 continue; 4125 } 4126 (void) printf(" ["); 4127 if (nvlist_lookup_uint64(records[i], 4128 ZPOOL_HIST_WHO, &who) == 0) { 4129 pwd = getpwuid((uid_t)who); 4130 if (pwd) 4131 (void) printf("user %s on", 4132 pwd->pw_name); 4133 else 4134 (void) printf("user %d on", 4135 (int)who); 4136 } else { 4137 (void) printf(gettext("no info]\n")); 4138 continue; 4139 } 4140 if (nvlist_lookup_string(records[i], 4141 ZPOOL_HIST_HOST, &hostname) == 0) { 4142 (void) printf(" %s", hostname); 4143 } 4144 if (nvlist_lookup_string(records[i], 4145 ZPOOL_HIST_ZONE, &zonename) == 0) { 4146 (void) printf(":%s", zonename); 4147 } 4148 4149 (void) printf("]"); 4150 (void) printf("\n"); 4151 } 4152 (void) printf("\n"); 4153 nvlist_free(nvhis); 4154 4155 return (ret); 4156 } 4157 4158 /* 4159 * zpool history <pool> 4160 * 4161 * Displays the history of commands that modified pools. 4162 */ 4163 4164 4165 int 4166 zpool_do_history(int argc, char **argv) 4167 { 4168 hist_cbdata_t cbdata = { 0 }; 4169 int ret; 4170 int c; 4171 4172 cbdata.first = B_TRUE; 4173 /* check options */ 4174 while ((c = getopt(argc, argv, "li")) != -1) { 4175 switch (c) { 4176 case 'l': 4177 cbdata.longfmt = 1; 4178 break; 4179 case 'i': 4180 cbdata.internal = 1; 4181 break; 4182 case '?': 4183 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4184 optopt); 4185 usage(B_FALSE); 4186 } 4187 } 4188 argc -= optind; 4189 argv += optind; 4190 4191 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 4192 &cbdata); 4193 4194 if (argc == 0 && cbdata.first == B_TRUE) { 4195 (void) printf(gettext("no pools available\n")); 4196 return (0); 4197 } 4198 4199 return (ret); 4200 } 4201 4202 static int 4203 get_callback(zpool_handle_t *zhp, void *data) 4204 { 4205 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 4206 char value[MAXNAMELEN]; 4207 zprop_source_t srctype; 4208 zprop_list_t *pl; 4209 4210 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 4211 4212 /* 4213 * Skip the special fake placeholder. This will also skip 4214 * over the name property when 'all' is specified. 4215 */ 4216 if (pl->pl_prop == ZPOOL_PROP_NAME && 4217 pl == cbp->cb_proplist) 4218 continue; 4219 4220 if (zpool_get_prop(zhp, pl->pl_prop, 4221 value, sizeof (value), &srctype) != 0) 4222 continue; 4223 4224 zprop_print_one_property(zpool_get_name(zhp), cbp, 4225 zpool_prop_to_name(pl->pl_prop), value, srctype, NULL, 4226 NULL); 4227 } 4228 return (0); 4229 } 4230 4231 int 4232 zpool_do_get(int argc, char **argv) 4233 { 4234 zprop_get_cbdata_t cb = { 0 }; 4235 zprop_list_t fake_name = { 0 }; 4236 int ret; 4237 4238 if (argc < 3) 4239 usage(B_FALSE); 4240 4241 cb.cb_first = B_TRUE; 4242 cb.cb_sources = ZPROP_SRC_ALL; 4243 cb.cb_columns[0] = GET_COL_NAME; 4244 cb.cb_columns[1] = GET_COL_PROPERTY; 4245 cb.cb_columns[2] = GET_COL_VALUE; 4246 cb.cb_columns[3] = GET_COL_SOURCE; 4247 cb.cb_type = ZFS_TYPE_POOL; 4248 4249 if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist, 4250 ZFS_TYPE_POOL) != 0) 4251 usage(B_FALSE); 4252 4253 if (cb.cb_proplist != NULL) { 4254 fake_name.pl_prop = ZPOOL_PROP_NAME; 4255 fake_name.pl_width = strlen(gettext("NAME")); 4256 fake_name.pl_next = cb.cb_proplist; 4257 cb.cb_proplist = &fake_name; 4258 } 4259 4260 ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist, 4261 get_callback, &cb); 4262 4263 if (cb.cb_proplist == &fake_name) 4264 zprop_free_list(fake_name.pl_next); 4265 else 4266 zprop_free_list(cb.cb_proplist); 4267 4268 return (ret); 4269 } 4270 4271 typedef struct set_cbdata { 4272 char *cb_propname; 4273 char *cb_value; 4274 boolean_t cb_any_successful; 4275 } set_cbdata_t; 4276 4277 int 4278 set_callback(zpool_handle_t *zhp, void *data) 4279 { 4280 int error; 4281 set_cbdata_t *cb = (set_cbdata_t *)data; 4282 4283 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 4284 4285 if (!error) 4286 cb->cb_any_successful = B_TRUE; 4287 4288 return (error); 4289 } 4290 4291 int 4292 zpool_do_set(int argc, char **argv) 4293 { 4294 set_cbdata_t cb = { 0 }; 4295 int error; 4296 4297 if (argc > 1 && argv[1][0] == '-') { 4298 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4299 argv[1][1]); 4300 usage(B_FALSE); 4301 } 4302 4303 if (argc < 2) { 4304 (void) fprintf(stderr, gettext("missing property=value " 4305 "argument\n")); 4306 usage(B_FALSE); 4307 } 4308 4309 if (argc < 3) { 4310 (void) fprintf(stderr, gettext("missing pool name\n")); 4311 usage(B_FALSE); 4312 } 4313 4314 if (argc > 3) { 4315 (void) fprintf(stderr, gettext("too many pool names\n")); 4316 usage(B_FALSE); 4317 } 4318 4319 cb.cb_propname = argv[1]; 4320 cb.cb_value = strchr(cb.cb_propname, '='); 4321 if (cb.cb_value == NULL) { 4322 (void) fprintf(stderr, gettext("missing value in " 4323 "property=value argument\n")); 4324 usage(B_FALSE); 4325 } 4326 4327 *(cb.cb_value) = '\0'; 4328 cb.cb_value++; 4329 4330 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 4331 set_callback, &cb); 4332 4333 return (error); 4334 } 4335 4336 static int 4337 find_command_idx(char *command, int *idx) 4338 { 4339 int i; 4340 4341 for (i = 0; i < NCOMMAND; i++) { 4342 if (command_table[i].name == NULL) 4343 continue; 4344 4345 if (strcmp(command, command_table[i].name) == 0) { 4346 *idx = i; 4347 return (0); 4348 } 4349 } 4350 return (1); 4351 } 4352 4353 int 4354 main(int argc, char **argv) 4355 { 4356 int ret; 4357 int i; 4358 char *cmdname; 4359 4360 (void) setlocale(LC_ALL, ""); 4361 (void) textdomain(TEXT_DOMAIN); 4362 4363 if ((g_zfs = libzfs_init()) == NULL) { 4364 (void) fprintf(stderr, gettext("internal error: failed to " 4365 "initialize ZFS library\n")); 4366 return (1); 4367 } 4368 4369 libzfs_print_on_error(g_zfs, B_TRUE); 4370 4371 opterr = 0; 4372 4373 /* 4374 * Make sure the user has specified some command. 4375 */ 4376 if (argc < 2) { 4377 (void) fprintf(stderr, gettext("missing command\n")); 4378 usage(B_FALSE); 4379 } 4380 4381 cmdname = argv[1]; 4382 4383 /* 4384 * Special case '-?' 4385 */ 4386 if (strcmp(cmdname, "-?") == 0) 4387 usage(B_TRUE); 4388 4389 zpool_set_history_str("zpool", argc, argv, history_str); 4390 verify(zpool_stage_history(g_zfs, history_str) == 0); 4391 4392 /* 4393 * Run the appropriate command. 4394 */ 4395 if (find_command_idx(cmdname, &i) == 0) { 4396 current_command = &command_table[i]; 4397 ret = command_table[i].func(argc - 1, argv + 1); 4398 } else if (strchr(cmdname, '=')) { 4399 verify(find_command_idx("set", &i) == 0); 4400 current_command = &command_table[i]; 4401 ret = command_table[i].func(argc, argv); 4402 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 4403 /* 4404 * 'freeze' is a vile debugging abomination, so we treat 4405 * it as such. 4406 */ 4407 char buf[16384]; 4408 int fd = open(ZFS_DEV, O_RDWR); 4409 (void) strcpy((void *)buf, argv[2]); 4410 return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf)); 4411 } else { 4412 (void) fprintf(stderr, gettext("unrecognized " 4413 "command '%s'\n"), cmdname); 4414 usage(B_FALSE); 4415 } 4416 4417 libzfs_fini(g_zfs); 4418 4419 /* 4420 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 4421 * for the purposes of running ::findleaks. 4422 */ 4423 if (getenv("ZFS_ABORT") != NULL) { 4424 (void) printf("dumping core by request\n"); 4425 abort(); 4426 } 4427 4428 return (ret); 4429 } 4430