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 nvlist_t *props, int flags) 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 && 1521 !(flags & ZFS_IMPORT_ANY_HOST)) { 1522 uint64_t hostid; 1523 1524 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1525 &hostid) == 0) { 1526 if ((unsigned long)hostid != gethostid()) { 1527 char *hostname; 1528 uint64_t timestamp; 1529 time_t t; 1530 1531 verify(nvlist_lookup_string(config, 1532 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1533 verify(nvlist_lookup_uint64(config, 1534 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1535 t = timestamp; 1536 (void) fprintf(stderr, gettext("cannot import " 1537 "'%s': pool may be in use from other " 1538 "system, it was last accessed by %s " 1539 "(hostid: 0x%lx) on %s"), name, hostname, 1540 (unsigned long)hostid, 1541 asctime(localtime(&t))); 1542 (void) fprintf(stderr, gettext("use '-f' to " 1543 "import anyway\n")); 1544 return (1); 1545 } 1546 } else { 1547 (void) fprintf(stderr, gettext("cannot import '%s': " 1548 "pool may be in use from other system\n"), name); 1549 (void) fprintf(stderr, gettext("use '-f' to import " 1550 "anyway\n")); 1551 return (1); 1552 } 1553 } 1554 1555 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0) 1556 return (1); 1557 1558 if (newname != NULL) 1559 name = (char *)newname; 1560 1561 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1562 return (1); 1563 1564 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1565 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1566 zpool_close(zhp); 1567 return (1); 1568 } 1569 1570 zpool_close(zhp); 1571 return (0); 1572 } 1573 1574 /* 1575 * zpool import [-d dir] [-D] 1576 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1577 * [-d dir | -c cachefile] [-f] -a 1578 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1579 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1580 * 1581 * -c Read pool information from a cachefile instead of searching 1582 * devices. 1583 * 1584 * -d Scan in a specific directory, other than /dev/dsk. More than 1585 * one directory can be specified using multiple '-d' options. 1586 * 1587 * -D Scan for previously destroyed pools or import all or only 1588 * specified destroyed pools. 1589 * 1590 * -R Temporarily import the pool, with all mountpoints relative to 1591 * the given root. The pool will remain exported when the machine 1592 * is rebooted. 1593 * 1594 * -V Import even in the presence of faulted vdevs. This is an 1595 * intentionally undocumented option for testing purposes, and 1596 * treats the pool configuration as complete, leaving any bad 1597 * vdevs in the FAULTED state. In other words, it does verbatim 1598 * import. 1599 * 1600 * -f Force import, even if it appears that the pool is active. 1601 * 1602 * -F Attempt rewind if necessary. 1603 * 1604 * -n See if rewind would work, but don't actually rewind. 1605 * 1606 * -a Import all pools found. 1607 * 1608 * -o Set property=value and/or temporary mount options (without '='). 1609 * 1610 * The import command scans for pools to import, and import pools based on pool 1611 * name and GUID. The pool can also be renamed as part of the import process. 1612 */ 1613 int 1614 zpool_do_import(int argc, char **argv) 1615 { 1616 char **searchdirs = NULL; 1617 int nsearch = 0; 1618 int c; 1619 int err = 0; 1620 nvlist_t *pools = NULL; 1621 boolean_t do_all = B_FALSE; 1622 boolean_t do_destroyed = B_FALSE; 1623 char *mntopts = NULL; 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 int flags = ZFS_IMPORT_NORMAL; 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:DEfFmno: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 flags |= ZFS_IMPORT_ANY_HOST; 1669 break; 1670 case 'F': 1671 do_rewind = B_TRUE; 1672 break; 1673 case 'm': 1674 flags |= ZFS_IMPORT_MISSING_LOG; 1675 break; 1676 case 'n': 1677 dryrun = B_TRUE; 1678 break; 1679 case 'o': 1680 if ((propval = strchr(optarg, '=')) != NULL) { 1681 *propval = '\0'; 1682 propval++; 1683 if (add_prop_list(optarg, propval, 1684 &props, B_TRUE)) 1685 goto error; 1686 } else { 1687 mntopts = optarg; 1688 } 1689 break; 1690 case 'R': 1691 if (add_prop_list(zpool_prop_to_name( 1692 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 1693 goto error; 1694 if (nvlist_lookup_string(props, 1695 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 1696 &propval) == 0) 1697 break; 1698 if (add_prop_list(zpool_prop_to_name( 1699 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 1700 goto error; 1701 break; 1702 case 'V': 1703 flags |= ZFS_IMPORT_VERBATIM; 1704 break; 1705 case 'X': 1706 xtreme_rewind = B_TRUE; 1707 break; 1708 case ':': 1709 (void) fprintf(stderr, gettext("missing argument for " 1710 "'%c' option\n"), optopt); 1711 usage(B_FALSE); 1712 break; 1713 case '?': 1714 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1715 optopt); 1716 usage(B_FALSE); 1717 } 1718 } 1719 1720 argc -= optind; 1721 argv += optind; 1722 1723 if (cachefile && nsearch != 0) { 1724 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 1725 usage(B_FALSE); 1726 } 1727 1728 if ((dryrun || xtreme_rewind) && !do_rewind) { 1729 (void) fprintf(stderr, 1730 gettext("-n or -X only meaningful with -F\n")); 1731 usage(B_FALSE); 1732 } 1733 if (dryrun) 1734 rewind_policy = ZPOOL_TRY_REWIND; 1735 else if (do_rewind) 1736 rewind_policy = ZPOOL_DO_REWIND; 1737 if (xtreme_rewind) 1738 rewind_policy |= ZPOOL_EXTREME_REWIND; 1739 1740 /* In the future, we can capture further policy and include it here */ 1741 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 1742 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 1743 goto error; 1744 1745 if (searchdirs == NULL) { 1746 searchdirs = safe_malloc(sizeof (char *)); 1747 searchdirs[0] = "/dev/dsk"; 1748 nsearch = 1; 1749 } 1750 1751 /* check argument count */ 1752 if (do_all) { 1753 if (argc != 0) { 1754 (void) fprintf(stderr, gettext("too many arguments\n")); 1755 usage(B_FALSE); 1756 } 1757 } else { 1758 if (argc > 2) { 1759 (void) fprintf(stderr, gettext("too many arguments\n")); 1760 usage(B_FALSE); 1761 } 1762 1763 /* 1764 * Check for the SYS_CONFIG privilege. We do this explicitly 1765 * here because otherwise any attempt to discover pools will 1766 * silently fail. 1767 */ 1768 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 1769 (void) fprintf(stderr, gettext("cannot " 1770 "discover pools: permission denied\n")); 1771 free(searchdirs); 1772 nvlist_free(policy); 1773 return (1); 1774 } 1775 } 1776 1777 /* 1778 * Depending on the arguments given, we do one of the following: 1779 * 1780 * <none> Iterate through all pools and display information about 1781 * each one. 1782 * 1783 * -a Iterate through all pools and try to import each one. 1784 * 1785 * <id> Find the pool that corresponds to the given GUID/pool 1786 * name and import that one. 1787 * 1788 * -D Above options applies only to destroyed pools. 1789 */ 1790 if (argc != 0) { 1791 char *endptr; 1792 1793 errno = 0; 1794 searchguid = strtoull(argv[0], &endptr, 10); 1795 if (errno != 0 || *endptr != '\0') 1796 searchname = argv[0]; 1797 found_config = NULL; 1798 1799 /* 1800 * User specified a name or guid. Ensure it's unique. 1801 */ 1802 idata.unique = B_TRUE; 1803 } 1804 1805 1806 idata.path = searchdirs; 1807 idata.paths = nsearch; 1808 idata.poolname = searchname; 1809 idata.guid = searchguid; 1810 idata.cachefile = cachefile; 1811 1812 pools = zpool_search_import(g_zfs, &idata); 1813 1814 if (pools != NULL && idata.exists && 1815 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) { 1816 (void) fprintf(stderr, gettext("cannot import '%s': " 1817 "a pool with that name already exists\n"), 1818 argv[0]); 1819 (void) fprintf(stderr, gettext("use the form '%s " 1820 "<pool | id> <newpool>' to give it a new name\n"), 1821 "zpool import"); 1822 err = 1; 1823 } else if (pools == NULL && idata.exists) { 1824 (void) fprintf(stderr, gettext("cannot import '%s': " 1825 "a pool with that name is already created/imported,\n"), 1826 argv[0]); 1827 (void) fprintf(stderr, gettext("and no additional pools " 1828 "with that name were found\n")); 1829 err = 1; 1830 } else if (pools == NULL) { 1831 if (argc != 0) { 1832 (void) fprintf(stderr, gettext("cannot import '%s': " 1833 "no such pool available\n"), argv[0]); 1834 } 1835 err = 1; 1836 } 1837 1838 if (err == 1) { 1839 free(searchdirs); 1840 nvlist_free(policy); 1841 return (1); 1842 } 1843 1844 /* 1845 * At this point we have a list of import candidate configs. Even if 1846 * we were searching by pool name or guid, we still need to 1847 * post-process the list to deal with pool state and possible 1848 * duplicate names. 1849 */ 1850 err = 0; 1851 elem = NULL; 1852 first = B_TRUE; 1853 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 1854 1855 verify(nvpair_value_nvlist(elem, &config) == 0); 1856 1857 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1858 &pool_state) == 0); 1859 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 1860 continue; 1861 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 1862 continue; 1863 1864 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 1865 policy) == 0); 1866 1867 if (argc == 0) { 1868 if (first) 1869 first = B_FALSE; 1870 else if (!do_all) 1871 (void) printf("\n"); 1872 1873 if (do_all) { 1874 err |= do_import(config, NULL, mntopts, 1875 props, flags); 1876 } else { 1877 show_import(config); 1878 } 1879 } else if (searchname != NULL) { 1880 char *name; 1881 1882 /* 1883 * We are searching for a pool based on name. 1884 */ 1885 verify(nvlist_lookup_string(config, 1886 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 1887 1888 if (strcmp(name, searchname) == 0) { 1889 if (found_config != NULL) { 1890 (void) fprintf(stderr, gettext( 1891 "cannot import '%s': more than " 1892 "one matching pool\n"), searchname); 1893 (void) fprintf(stderr, gettext( 1894 "import by numeric ID instead\n")); 1895 err = B_TRUE; 1896 } 1897 found_config = config; 1898 } 1899 } else { 1900 uint64_t guid; 1901 1902 /* 1903 * Search for a pool by guid. 1904 */ 1905 verify(nvlist_lookup_uint64(config, 1906 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 1907 1908 if (guid == searchguid) 1909 found_config = config; 1910 } 1911 } 1912 1913 /* 1914 * If we were searching for a specific pool, verify that we found a 1915 * pool, and then do the import. 1916 */ 1917 if (argc != 0 && err == 0) { 1918 if (found_config == NULL) { 1919 (void) fprintf(stderr, gettext("cannot import '%s': " 1920 "no such pool available\n"), argv[0]); 1921 err = B_TRUE; 1922 } else { 1923 err |= do_import(found_config, argc == 1 ? NULL : 1924 argv[1], mntopts, props, flags); 1925 } 1926 } 1927 1928 /* 1929 * If we were just looking for pools, report an error if none were 1930 * found. 1931 */ 1932 if (argc == 0 && first) 1933 (void) fprintf(stderr, 1934 gettext("no pools available to import\n")); 1935 1936 error: 1937 nvlist_free(props); 1938 nvlist_free(pools); 1939 nvlist_free(policy); 1940 free(searchdirs); 1941 1942 return (err ? 1 : 0); 1943 } 1944 1945 typedef struct iostat_cbdata { 1946 zpool_list_t *cb_list; 1947 int cb_verbose; 1948 int cb_iteration; 1949 int cb_namewidth; 1950 } iostat_cbdata_t; 1951 1952 static void 1953 print_iostat_separator(iostat_cbdata_t *cb) 1954 { 1955 int i = 0; 1956 1957 for (i = 0; i < cb->cb_namewidth; i++) 1958 (void) printf("-"); 1959 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 1960 } 1961 1962 static void 1963 print_iostat_header(iostat_cbdata_t *cb) 1964 { 1965 (void) printf("%*s capacity operations bandwidth\n", 1966 cb->cb_namewidth, ""); 1967 (void) printf("%-*s alloc free read write read write\n", 1968 cb->cb_namewidth, "pool"); 1969 print_iostat_separator(cb); 1970 } 1971 1972 /* 1973 * Display a single statistic. 1974 */ 1975 static void 1976 print_one_stat(uint64_t value) 1977 { 1978 char buf[64]; 1979 1980 zfs_nicenum(value, buf, sizeof (buf)); 1981 (void) printf(" %5s", buf); 1982 } 1983 1984 /* 1985 * Print out all the statistics for the given vdev. This can either be the 1986 * toplevel configuration, or called recursively. If 'name' is NULL, then this 1987 * is a verbose output, and we don't want to display the toplevel pool stats. 1988 */ 1989 void 1990 print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 1991 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 1992 { 1993 nvlist_t **oldchild, **newchild; 1994 uint_t c, children; 1995 vdev_stat_t *oldvs, *newvs; 1996 vdev_stat_t zerovs = { 0 }; 1997 uint64_t tdelta; 1998 double scale; 1999 char *vname; 2000 2001 if (oldnv != NULL) { 2002 verify(nvlist_lookup_uint64_array(oldnv, 2003 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0); 2004 } else { 2005 oldvs = &zerovs; 2006 } 2007 2008 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS, 2009 (uint64_t **)&newvs, &c) == 0); 2010 2011 if (strlen(name) + depth > cb->cb_namewidth) 2012 (void) printf("%*s%s", depth, "", name); 2013 else 2014 (void) printf("%*s%s%*s", depth, "", name, 2015 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2016 2017 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 2018 2019 if (tdelta == 0) 2020 scale = 1.0; 2021 else 2022 scale = (double)NANOSEC / tdelta; 2023 2024 /* only toplevel vdevs have capacity stats */ 2025 if (newvs->vs_space == 0) { 2026 (void) printf(" - -"); 2027 } else { 2028 print_one_stat(newvs->vs_alloc); 2029 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2030 } 2031 2032 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2033 oldvs->vs_ops[ZIO_TYPE_READ]))); 2034 2035 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2036 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2037 2038 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2039 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2040 2041 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2042 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2043 2044 (void) printf("\n"); 2045 2046 if (!cb->cb_verbose) 2047 return; 2048 2049 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2050 &newchild, &children) != 0) 2051 return; 2052 2053 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2054 &oldchild, &c) != 0) 2055 return; 2056 2057 for (c = 0; c < children; c++) { 2058 uint64_t ishole = B_FALSE; 2059 2060 if (nvlist_lookup_uint64(newchild[c], 2061 ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole) 2062 continue; 2063 2064 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2065 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2066 newchild[c], cb, depth + 2); 2067 free(vname); 2068 } 2069 2070 /* 2071 * Include level 2 ARC devices in iostat output 2072 */ 2073 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2074 &newchild, &children) != 0) 2075 return; 2076 2077 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2078 &oldchild, &c) != 0) 2079 return; 2080 2081 if (children > 0) { 2082 (void) printf("%-*s - - - - - " 2083 "-\n", cb->cb_namewidth, "cache"); 2084 for (c = 0; c < children; c++) { 2085 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2086 B_FALSE); 2087 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2088 newchild[c], cb, depth + 2); 2089 free(vname); 2090 } 2091 } 2092 } 2093 2094 static int 2095 refresh_iostat(zpool_handle_t *zhp, void *data) 2096 { 2097 iostat_cbdata_t *cb = data; 2098 boolean_t missing; 2099 2100 /* 2101 * If the pool has disappeared, remove it from the list and continue. 2102 */ 2103 if (zpool_refresh_stats(zhp, &missing) != 0) 2104 return (-1); 2105 2106 if (missing) 2107 pool_list_remove(cb->cb_list, zhp); 2108 2109 return (0); 2110 } 2111 2112 /* 2113 * Callback to print out the iostats for the given pool. 2114 */ 2115 int 2116 print_iostat(zpool_handle_t *zhp, void *data) 2117 { 2118 iostat_cbdata_t *cb = data; 2119 nvlist_t *oldconfig, *newconfig; 2120 nvlist_t *oldnvroot, *newnvroot; 2121 2122 newconfig = zpool_get_config(zhp, &oldconfig); 2123 2124 if (cb->cb_iteration == 1) 2125 oldconfig = NULL; 2126 2127 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2128 &newnvroot) == 0); 2129 2130 if (oldconfig == NULL) 2131 oldnvroot = NULL; 2132 else 2133 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2134 &oldnvroot) == 0); 2135 2136 /* 2137 * Print out the statistics for the pool. 2138 */ 2139 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2140 2141 if (cb->cb_verbose) 2142 print_iostat_separator(cb); 2143 2144 return (0); 2145 } 2146 2147 int 2148 get_namewidth(zpool_handle_t *zhp, void *data) 2149 { 2150 iostat_cbdata_t *cb = data; 2151 nvlist_t *config, *nvroot; 2152 2153 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2154 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2155 &nvroot) == 0); 2156 if (!cb->cb_verbose) 2157 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2158 else 2159 cb->cb_namewidth = max_width(zhp, nvroot, 0, 0); 2160 } 2161 2162 /* 2163 * The width must fall into the range [10,38]. The upper limit is the 2164 * maximum we can have and still fit in 80 columns. 2165 */ 2166 if (cb->cb_namewidth < 10) 2167 cb->cb_namewidth = 10; 2168 if (cb->cb_namewidth > 38) 2169 cb->cb_namewidth = 38; 2170 2171 return (0); 2172 } 2173 2174 /* 2175 * Parse the input string, get the 'interval' and 'count' value if there is one. 2176 */ 2177 static void 2178 get_interval_count(int *argcp, char **argv, unsigned long *iv, 2179 unsigned long *cnt) 2180 { 2181 unsigned long interval = 0, count = 0; 2182 int argc = *argcp, errno; 2183 2184 /* 2185 * Determine if the last argument is an integer or a pool name 2186 */ 2187 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2188 char *end; 2189 2190 errno = 0; 2191 interval = strtoul(argv[argc - 1], &end, 10); 2192 2193 if (*end == '\0' && errno == 0) { 2194 if (interval == 0) { 2195 (void) fprintf(stderr, gettext("interval " 2196 "cannot be zero\n")); 2197 usage(B_FALSE); 2198 } 2199 /* 2200 * Ignore the last parameter 2201 */ 2202 argc--; 2203 } else { 2204 /* 2205 * If this is not a valid number, just plow on. The 2206 * user will get a more informative error message later 2207 * on. 2208 */ 2209 interval = 0; 2210 } 2211 } 2212 2213 /* 2214 * If the last argument is also an integer, then we have both a count 2215 * and an interval. 2216 */ 2217 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2218 char *end; 2219 2220 errno = 0; 2221 count = interval; 2222 interval = strtoul(argv[argc - 1], &end, 10); 2223 2224 if (*end == '\0' && errno == 0) { 2225 if (interval == 0) { 2226 (void) fprintf(stderr, gettext("interval " 2227 "cannot be zero\n")); 2228 usage(B_FALSE); 2229 } 2230 2231 /* 2232 * Ignore the last parameter 2233 */ 2234 argc--; 2235 } else { 2236 interval = 0; 2237 } 2238 } 2239 2240 *iv = interval; 2241 *cnt = count; 2242 *argcp = argc; 2243 } 2244 2245 static void 2246 get_timestamp_arg(char c) 2247 { 2248 if (c == 'u') 2249 timestamp_fmt = UDATE; 2250 else if (c == 'd') 2251 timestamp_fmt = DDATE; 2252 else 2253 usage(B_FALSE); 2254 } 2255 2256 /* 2257 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]] 2258 * 2259 * -v Display statistics for individual vdevs 2260 * -T Display a timestamp in date(1) or Unix format 2261 * 2262 * This command can be tricky because we want to be able to deal with pool 2263 * creation/destruction as well as vdev configuration changes. The bulk of this 2264 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2265 * on pool_list_update() to detect the addition of new pools. Configuration 2266 * changes are all handled within libzfs. 2267 */ 2268 int 2269 zpool_do_iostat(int argc, char **argv) 2270 { 2271 int c; 2272 int ret; 2273 int npools; 2274 unsigned long interval = 0, count = 0; 2275 zpool_list_t *list; 2276 boolean_t verbose = B_FALSE; 2277 iostat_cbdata_t cb; 2278 2279 /* check options */ 2280 while ((c = getopt(argc, argv, "T:v")) != -1) { 2281 switch (c) { 2282 case 'T': 2283 get_timestamp_arg(*optarg); 2284 break; 2285 case 'v': 2286 verbose = B_TRUE; 2287 break; 2288 case '?': 2289 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2290 optopt); 2291 usage(B_FALSE); 2292 } 2293 } 2294 2295 argc -= optind; 2296 argv += optind; 2297 2298 get_interval_count(&argc, argv, &interval, &count); 2299 2300 /* 2301 * Construct the list of all interesting pools. 2302 */ 2303 ret = 0; 2304 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2305 return (1); 2306 2307 if (pool_list_count(list) == 0 && argc != 0) { 2308 pool_list_free(list); 2309 return (1); 2310 } 2311 2312 if (pool_list_count(list) == 0 && interval == 0) { 2313 pool_list_free(list); 2314 (void) fprintf(stderr, gettext("no pools available\n")); 2315 return (1); 2316 } 2317 2318 /* 2319 * Enter the main iostat loop. 2320 */ 2321 cb.cb_list = list; 2322 cb.cb_verbose = verbose; 2323 cb.cb_iteration = 0; 2324 cb.cb_namewidth = 0; 2325 2326 for (;;) { 2327 pool_list_update(list); 2328 2329 if ((npools = pool_list_count(list)) == 0) 2330 break; 2331 2332 /* 2333 * Refresh all statistics. This is done as an explicit step 2334 * before calculating the maximum name width, so that any 2335 * configuration changes are properly accounted for. 2336 */ 2337 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2338 2339 /* 2340 * Iterate over all pools to determine the maximum width 2341 * for the pool / device name column across all pools. 2342 */ 2343 cb.cb_namewidth = 0; 2344 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2345 2346 if (timestamp_fmt != NODATE) 2347 print_timestamp(timestamp_fmt); 2348 2349 /* 2350 * If it's the first time, or verbose mode, print the header. 2351 */ 2352 if (++cb.cb_iteration == 1 || verbose) 2353 print_iostat_header(&cb); 2354 2355 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2356 2357 /* 2358 * If there's more than one pool, and we're not in verbose mode 2359 * (which prints a separator for us), then print a separator. 2360 */ 2361 if (npools > 1 && !verbose) 2362 print_iostat_separator(&cb); 2363 2364 if (verbose) 2365 (void) printf("\n"); 2366 2367 /* 2368 * Flush the output so that redirection to a file isn't buffered 2369 * indefinitely. 2370 */ 2371 (void) fflush(stdout); 2372 2373 if (interval == 0) 2374 break; 2375 2376 if (count != 0 && --count == 0) 2377 break; 2378 2379 (void) sleep(interval); 2380 } 2381 2382 pool_list_free(list); 2383 2384 return (ret); 2385 } 2386 2387 typedef struct list_cbdata { 2388 boolean_t cb_scripted; 2389 boolean_t cb_first; 2390 zprop_list_t *cb_proplist; 2391 } list_cbdata_t; 2392 2393 /* 2394 * Given a list of columns to display, output appropriate headers for each one. 2395 */ 2396 static void 2397 print_header(zprop_list_t *pl) 2398 { 2399 const char *header; 2400 boolean_t first = B_TRUE; 2401 boolean_t right_justify; 2402 2403 for (; pl != NULL; pl = pl->pl_next) { 2404 if (pl->pl_prop == ZPROP_INVAL) 2405 continue; 2406 2407 if (!first) 2408 (void) printf(" "); 2409 else 2410 first = B_FALSE; 2411 2412 header = zpool_prop_column_name(pl->pl_prop); 2413 right_justify = zpool_prop_align_right(pl->pl_prop); 2414 2415 if (pl->pl_next == NULL && !right_justify) 2416 (void) printf("%s", header); 2417 else if (right_justify) 2418 (void) printf("%*s", pl->pl_width, header); 2419 else 2420 (void) printf("%-*s", pl->pl_width, header); 2421 } 2422 2423 (void) printf("\n"); 2424 } 2425 2426 /* 2427 * Given a pool and a list of properties, print out all the properties according 2428 * to the described layout. 2429 */ 2430 static void 2431 print_pool(zpool_handle_t *zhp, zprop_list_t *pl, int scripted) 2432 { 2433 boolean_t first = B_TRUE; 2434 char property[ZPOOL_MAXPROPLEN]; 2435 char *propstr; 2436 boolean_t right_justify; 2437 int width; 2438 2439 for (; pl != NULL; pl = pl->pl_next) { 2440 if (!first) { 2441 if (scripted) 2442 (void) printf("\t"); 2443 else 2444 (void) printf(" "); 2445 } else { 2446 first = B_FALSE; 2447 } 2448 2449 right_justify = B_FALSE; 2450 if (pl->pl_prop != ZPROP_INVAL) { 2451 if (zpool_get_prop(zhp, pl->pl_prop, property, 2452 sizeof (property), NULL) != 0) 2453 propstr = "-"; 2454 else 2455 propstr = property; 2456 2457 right_justify = zpool_prop_align_right(pl->pl_prop); 2458 } else { 2459 propstr = "-"; 2460 } 2461 2462 width = pl->pl_width; 2463 2464 /* 2465 * If this is being called in scripted mode, or if this is the 2466 * last column and it is left-justified, don't include a width 2467 * format specifier. 2468 */ 2469 if (scripted || (pl->pl_next == NULL && !right_justify)) 2470 (void) printf("%s", propstr); 2471 else if (right_justify) 2472 (void) printf("%*s", width, propstr); 2473 else 2474 (void) printf("%-*s", width, propstr); 2475 } 2476 2477 (void) printf("\n"); 2478 } 2479 2480 /* 2481 * Generic callback function to list a pool. 2482 */ 2483 int 2484 list_callback(zpool_handle_t *zhp, void *data) 2485 { 2486 list_cbdata_t *cbp = data; 2487 2488 if (cbp->cb_first) { 2489 if (!cbp->cb_scripted) 2490 print_header(cbp->cb_proplist); 2491 cbp->cb_first = B_FALSE; 2492 } 2493 2494 print_pool(zhp, cbp->cb_proplist, cbp->cb_scripted); 2495 2496 return (0); 2497 } 2498 2499 /* 2500 * zpool list [-H] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]] 2501 * 2502 * -H Scripted mode. Don't display headers, and separate properties 2503 * by a single tab. 2504 * -o List of properties to display. Defaults to 2505 * "name,size,allocated,free,capacity,health,altroot" 2506 * -T Display a timestamp in date(1) or Unix format 2507 * 2508 * List all pools in the system, whether or not they're healthy. Output space 2509 * statistics for each one, as well as health status summary. 2510 */ 2511 int 2512 zpool_do_list(int argc, char **argv) 2513 { 2514 int c; 2515 int ret; 2516 list_cbdata_t cb = { 0 }; 2517 static char default_props[] = 2518 "name,size,allocated,free,capacity,dedupratio,health,altroot"; 2519 char *props = default_props; 2520 unsigned long interval = 0, count = 0; 2521 2522 /* check options */ 2523 while ((c = getopt(argc, argv, ":Ho:T:")) != -1) { 2524 switch (c) { 2525 case 'H': 2526 cb.cb_scripted = B_TRUE; 2527 break; 2528 case 'o': 2529 props = optarg; 2530 break; 2531 case 'T': 2532 get_timestamp_arg(*optarg); 2533 break; 2534 case ':': 2535 (void) fprintf(stderr, gettext("missing argument for " 2536 "'%c' option\n"), optopt); 2537 usage(B_FALSE); 2538 break; 2539 case '?': 2540 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2541 optopt); 2542 usage(B_FALSE); 2543 } 2544 } 2545 2546 argc -= optind; 2547 argv += optind; 2548 2549 get_interval_count(&argc, argv, &interval, &count); 2550 2551 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 2552 usage(B_FALSE); 2553 2554 cb.cb_first = B_TRUE; 2555 2556 for (;;) { 2557 2558 if (timestamp_fmt != NODATE) 2559 print_timestamp(timestamp_fmt); 2560 2561 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 2562 list_callback, &cb); 2563 2564 if (argc == 0 && cb.cb_first && !cb.cb_scripted) { 2565 (void) printf(gettext("no pools available\n")); 2566 zprop_free_list(cb.cb_proplist); 2567 return (0); 2568 } 2569 2570 if (interval == 0) 2571 break; 2572 2573 if (count != 0 && --count == 0) 2574 break; 2575 2576 (void) sleep(interval); 2577 } 2578 2579 zprop_free_list(cb.cb_proplist); 2580 return (ret); 2581 } 2582 2583 static nvlist_t * 2584 zpool_get_vdev_by_name(nvlist_t *nv, char *name) 2585 { 2586 nvlist_t **child; 2587 uint_t c, children; 2588 nvlist_t *match; 2589 char *path; 2590 2591 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2592 &child, &children) != 0) { 2593 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 2594 if (strncmp(name, "/dev/dsk/", 9) == 0) 2595 name += 9; 2596 if (strncmp(path, "/dev/dsk/", 9) == 0) 2597 path += 9; 2598 if (strcmp(name, path) == 0) 2599 return (nv); 2600 return (NULL); 2601 } 2602 2603 for (c = 0; c < children; c++) 2604 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 2605 return (match); 2606 2607 return (NULL); 2608 } 2609 2610 static int 2611 zpool_do_attach_or_replace(int argc, char **argv, int replacing) 2612 { 2613 boolean_t force = B_FALSE; 2614 int c; 2615 nvlist_t *nvroot; 2616 char *poolname, *old_disk, *new_disk; 2617 zpool_handle_t *zhp; 2618 int ret; 2619 2620 /* check options */ 2621 while ((c = getopt(argc, argv, "f")) != -1) { 2622 switch (c) { 2623 case 'f': 2624 force = B_TRUE; 2625 break; 2626 case '?': 2627 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2628 optopt); 2629 usage(B_FALSE); 2630 } 2631 } 2632 2633 argc -= optind; 2634 argv += optind; 2635 2636 /* get pool name and check number of arguments */ 2637 if (argc < 1) { 2638 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2639 usage(B_FALSE); 2640 } 2641 2642 poolname = argv[0]; 2643 2644 if (argc < 2) { 2645 (void) fprintf(stderr, 2646 gettext("missing <device> specification\n")); 2647 usage(B_FALSE); 2648 } 2649 2650 old_disk = argv[1]; 2651 2652 if (argc < 3) { 2653 if (!replacing) { 2654 (void) fprintf(stderr, 2655 gettext("missing <new_device> specification\n")); 2656 usage(B_FALSE); 2657 } 2658 new_disk = old_disk; 2659 argc -= 1; 2660 argv += 1; 2661 } else { 2662 new_disk = argv[2]; 2663 argc -= 2; 2664 argv += 2; 2665 } 2666 2667 if (argc > 1) { 2668 (void) fprintf(stderr, gettext("too many arguments\n")); 2669 usage(B_FALSE); 2670 } 2671 2672 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2673 return (1); 2674 2675 if (zpool_get_config(zhp, NULL) == NULL) { 2676 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 2677 poolname); 2678 zpool_close(zhp); 2679 return (1); 2680 } 2681 2682 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 2683 argc, argv); 2684 if (nvroot == NULL) { 2685 zpool_close(zhp); 2686 return (1); 2687 } 2688 2689 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 2690 2691 nvlist_free(nvroot); 2692 zpool_close(zhp); 2693 2694 return (ret); 2695 } 2696 2697 /* 2698 * zpool replace [-f] <pool> <device> <new_device> 2699 * 2700 * -f Force attach, even if <new_device> appears to be in use. 2701 * 2702 * Replace <device> with <new_device>. 2703 */ 2704 /* ARGSUSED */ 2705 int 2706 zpool_do_replace(int argc, char **argv) 2707 { 2708 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 2709 } 2710 2711 /* 2712 * zpool attach [-f] <pool> <device> <new_device> 2713 * 2714 * -f Force attach, even if <new_device> appears to be in use. 2715 * 2716 * Attach <new_device> to the mirror containing <device>. If <device> is not 2717 * part of a mirror, then <device> will be transformed into a mirror of 2718 * <device> and <new_device>. In either case, <new_device> will begin life 2719 * with a DTL of [0, now], and will immediately begin to resilver itself. 2720 */ 2721 int 2722 zpool_do_attach(int argc, char **argv) 2723 { 2724 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 2725 } 2726 2727 /* 2728 * zpool detach [-f] <pool> <device> 2729 * 2730 * -f Force detach of <device>, even if DTLs argue against it 2731 * (not supported yet) 2732 * 2733 * Detach a device from a mirror. The operation will be refused if <device> 2734 * is the last device in the mirror, or if the DTLs indicate that this device 2735 * has the only valid copy of some data. 2736 */ 2737 /* ARGSUSED */ 2738 int 2739 zpool_do_detach(int argc, char **argv) 2740 { 2741 int c; 2742 char *poolname, *path; 2743 zpool_handle_t *zhp; 2744 int ret; 2745 2746 /* check options */ 2747 while ((c = getopt(argc, argv, "f")) != -1) { 2748 switch (c) { 2749 case 'f': 2750 case '?': 2751 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2752 optopt); 2753 usage(B_FALSE); 2754 } 2755 } 2756 2757 argc -= optind; 2758 argv += optind; 2759 2760 /* get pool name and check number of arguments */ 2761 if (argc < 1) { 2762 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2763 usage(B_FALSE); 2764 } 2765 2766 if (argc < 2) { 2767 (void) fprintf(stderr, 2768 gettext("missing <device> specification\n")); 2769 usage(B_FALSE); 2770 } 2771 2772 poolname = argv[0]; 2773 path = argv[1]; 2774 2775 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2776 return (1); 2777 2778 ret = zpool_vdev_detach(zhp, path); 2779 2780 zpool_close(zhp); 2781 2782 return (ret); 2783 } 2784 2785 /* 2786 * zpool split [-n] [-o prop=val] ... 2787 * [-o mntopt] ... 2788 * [-R altroot] <pool> <newpool> [<device> ...] 2789 * 2790 * -n Do not split the pool, but display the resulting layout if 2791 * it were to be split. 2792 * -o Set property=value, or set mount options. 2793 * -R Mount the split-off pool under an alternate root. 2794 * 2795 * Splits the named pool and gives it the new pool name. Devices to be split 2796 * off may be listed, provided that no more than one device is specified 2797 * per top-level vdev mirror. The newly split pool is left in an exported 2798 * state unless -R is specified. 2799 * 2800 * Restrictions: the top-level of the pool pool must only be made up of 2801 * mirrors; all devices in the pool must be healthy; no device may be 2802 * undergoing a resilvering operation. 2803 */ 2804 int 2805 zpool_do_split(int argc, char **argv) 2806 { 2807 char *srcpool, *newpool, *propval; 2808 char *mntopts = NULL; 2809 splitflags_t flags; 2810 int c, ret = 0; 2811 zpool_handle_t *zhp; 2812 nvlist_t *config, *props = NULL; 2813 2814 flags.dryrun = B_FALSE; 2815 flags.import = B_FALSE; 2816 2817 /* check options */ 2818 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 2819 switch (c) { 2820 case 'R': 2821 flags.import = B_TRUE; 2822 if (add_prop_list( 2823 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 2824 &props, B_TRUE) != 0) { 2825 if (props) 2826 nvlist_free(props); 2827 usage(B_FALSE); 2828 } 2829 break; 2830 case 'n': 2831 flags.dryrun = B_TRUE; 2832 break; 2833 case 'o': 2834 if ((propval = strchr(optarg, '=')) != NULL) { 2835 *propval = '\0'; 2836 propval++; 2837 if (add_prop_list(optarg, propval, 2838 &props, B_TRUE) != 0) { 2839 if (props) 2840 nvlist_free(props); 2841 usage(B_FALSE); 2842 } 2843 } else { 2844 mntopts = optarg; 2845 } 2846 break; 2847 case ':': 2848 (void) fprintf(stderr, gettext("missing argument for " 2849 "'%c' option\n"), optopt); 2850 usage(B_FALSE); 2851 break; 2852 case '?': 2853 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2854 optopt); 2855 usage(B_FALSE); 2856 break; 2857 } 2858 } 2859 2860 if (!flags.import && mntopts != NULL) { 2861 (void) fprintf(stderr, gettext("setting mntopts is only " 2862 "valid when importing the pool\n")); 2863 usage(B_FALSE); 2864 } 2865 2866 argc -= optind; 2867 argv += optind; 2868 2869 if (argc < 1) { 2870 (void) fprintf(stderr, gettext("Missing pool name\n")); 2871 usage(B_FALSE); 2872 } 2873 if (argc < 2) { 2874 (void) fprintf(stderr, gettext("Missing new pool name\n")); 2875 usage(B_FALSE); 2876 } 2877 2878 srcpool = argv[0]; 2879 newpool = argv[1]; 2880 2881 argc -= 2; 2882 argv += 2; 2883 2884 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 2885 return (1); 2886 2887 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 2888 if (config == NULL) { 2889 ret = 1; 2890 } else { 2891 if (flags.dryrun) { 2892 (void) printf(gettext("would create '%s' with the " 2893 "following layout:\n\n"), newpool); 2894 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 2895 } 2896 nvlist_free(config); 2897 } 2898 2899 zpool_close(zhp); 2900 2901 if (ret != 0 || flags.dryrun || !flags.import) 2902 return (ret); 2903 2904 /* 2905 * The split was successful. Now we need to open the new 2906 * pool and import it. 2907 */ 2908 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 2909 return (1); 2910 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 2911 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 2912 ret = 1; 2913 (void) fprintf(stderr, gettext("Split was succssful, but " 2914 "the datasets could not all be mounted\n")); 2915 (void) fprintf(stderr, gettext("Try doing '%s' with a " 2916 "different altroot\n"), "zpool import"); 2917 } 2918 zpool_close(zhp); 2919 2920 return (ret); 2921 } 2922 2923 2924 2925 /* 2926 * zpool online <pool> <device> ... 2927 */ 2928 int 2929 zpool_do_online(int argc, char **argv) 2930 { 2931 int c, i; 2932 char *poolname; 2933 zpool_handle_t *zhp; 2934 int ret = 0; 2935 vdev_state_t newstate; 2936 int flags = 0; 2937 2938 /* check options */ 2939 while ((c = getopt(argc, argv, "et")) != -1) { 2940 switch (c) { 2941 case 'e': 2942 flags |= ZFS_ONLINE_EXPAND; 2943 break; 2944 case 't': 2945 case '?': 2946 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2947 optopt); 2948 usage(B_FALSE); 2949 } 2950 } 2951 2952 argc -= optind; 2953 argv += optind; 2954 2955 /* get pool name and check number of arguments */ 2956 if (argc < 1) { 2957 (void) fprintf(stderr, gettext("missing pool name\n")); 2958 usage(B_FALSE); 2959 } 2960 if (argc < 2) { 2961 (void) fprintf(stderr, gettext("missing device name\n")); 2962 usage(B_FALSE); 2963 } 2964 2965 poolname = argv[0]; 2966 2967 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2968 return (1); 2969 2970 for (i = 1; i < argc; i++) { 2971 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 2972 if (newstate != VDEV_STATE_HEALTHY) { 2973 (void) printf(gettext("warning: device '%s' " 2974 "onlined, but remains in faulted state\n"), 2975 argv[i]); 2976 if (newstate == VDEV_STATE_FAULTED) 2977 (void) printf(gettext("use 'zpool " 2978 "clear' to restore a faulted " 2979 "device\n")); 2980 else 2981 (void) printf(gettext("use 'zpool " 2982 "replace' to replace devices " 2983 "that are no longer present\n")); 2984 } 2985 } else { 2986 ret = 1; 2987 } 2988 } 2989 2990 zpool_close(zhp); 2991 2992 return (ret); 2993 } 2994 2995 /* 2996 * zpool offline [-ft] <pool> <device> ... 2997 * 2998 * -f Force the device into the offline state, even if doing 2999 * so would appear to compromise pool availability. 3000 * (not supported yet) 3001 * 3002 * -t Only take the device off-line temporarily. The offline 3003 * state will not be persistent across reboots. 3004 */ 3005 /* ARGSUSED */ 3006 int 3007 zpool_do_offline(int argc, char **argv) 3008 { 3009 int c, i; 3010 char *poolname; 3011 zpool_handle_t *zhp; 3012 int ret = 0; 3013 boolean_t istmp = B_FALSE; 3014 3015 /* check options */ 3016 while ((c = getopt(argc, argv, "ft")) != -1) { 3017 switch (c) { 3018 case 't': 3019 istmp = B_TRUE; 3020 break; 3021 case 'f': 3022 case '?': 3023 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3024 optopt); 3025 usage(B_FALSE); 3026 } 3027 } 3028 3029 argc -= optind; 3030 argv += optind; 3031 3032 /* get pool name and check number of arguments */ 3033 if (argc < 1) { 3034 (void) fprintf(stderr, gettext("missing pool name\n")); 3035 usage(B_FALSE); 3036 } 3037 if (argc < 2) { 3038 (void) fprintf(stderr, gettext("missing device name\n")); 3039 usage(B_FALSE); 3040 } 3041 3042 poolname = argv[0]; 3043 3044 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3045 return (1); 3046 3047 for (i = 1; i < argc; i++) { 3048 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 3049 ret = 1; 3050 } 3051 3052 zpool_close(zhp); 3053 3054 return (ret); 3055 } 3056 3057 /* 3058 * zpool clear <pool> [device] 3059 * 3060 * Clear all errors associated with a pool or a particular device. 3061 */ 3062 int 3063 zpool_do_clear(int argc, char **argv) 3064 { 3065 int c; 3066 int ret = 0; 3067 boolean_t dryrun = B_FALSE; 3068 boolean_t do_rewind = B_FALSE; 3069 boolean_t xtreme_rewind = B_FALSE; 3070 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3071 nvlist_t *policy = NULL; 3072 zpool_handle_t *zhp; 3073 char *pool, *device; 3074 3075 /* check options */ 3076 while ((c = getopt(argc, argv, "FnX")) != -1) { 3077 switch (c) { 3078 case 'F': 3079 do_rewind = B_TRUE; 3080 break; 3081 case 'n': 3082 dryrun = B_TRUE; 3083 break; 3084 case 'X': 3085 xtreme_rewind = B_TRUE; 3086 break; 3087 case '?': 3088 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3089 optopt); 3090 usage(B_FALSE); 3091 } 3092 } 3093 3094 argc -= optind; 3095 argv += optind; 3096 3097 if (argc < 1) { 3098 (void) fprintf(stderr, gettext("missing pool name\n")); 3099 usage(B_FALSE); 3100 } 3101 3102 if (argc > 2) { 3103 (void) fprintf(stderr, gettext("too many arguments\n")); 3104 usage(B_FALSE); 3105 } 3106 3107 if ((dryrun || xtreme_rewind) && !do_rewind) { 3108 (void) fprintf(stderr, 3109 gettext("-n or -X only meaningful with -F\n")); 3110 usage(B_FALSE); 3111 } 3112 if (dryrun) 3113 rewind_policy = ZPOOL_TRY_REWIND; 3114 else if (do_rewind) 3115 rewind_policy = ZPOOL_DO_REWIND; 3116 if (xtreme_rewind) 3117 rewind_policy |= ZPOOL_EXTREME_REWIND; 3118 3119 /* In future, further rewind policy choices can be passed along here */ 3120 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3121 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3122 return (1); 3123 3124 pool = argv[0]; 3125 device = argc == 2 ? argv[1] : NULL; 3126 3127 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3128 nvlist_free(policy); 3129 return (1); 3130 } 3131 3132 if (zpool_clear(zhp, device, policy) != 0) 3133 ret = 1; 3134 3135 zpool_close(zhp); 3136 3137 nvlist_free(policy); 3138 3139 return (ret); 3140 } 3141 3142 typedef struct scrub_cbdata { 3143 int cb_type; 3144 int cb_argc; 3145 char **cb_argv; 3146 } scrub_cbdata_t; 3147 3148 int 3149 scrub_callback(zpool_handle_t *zhp, void *data) 3150 { 3151 scrub_cbdata_t *cb = data; 3152 int err; 3153 3154 /* 3155 * Ignore faulted pools. 3156 */ 3157 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3158 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3159 "currently unavailable\n"), zpool_get_name(zhp)); 3160 return (1); 3161 } 3162 3163 err = zpool_scan(zhp, cb->cb_type); 3164 3165 return (err != 0); 3166 } 3167 3168 /* 3169 * zpool scrub [-s] <pool> ... 3170 * 3171 * -s Stop. Stops any in-progress scrub. 3172 */ 3173 int 3174 zpool_do_scrub(int argc, char **argv) 3175 { 3176 int c; 3177 scrub_cbdata_t cb; 3178 3179 cb.cb_type = POOL_SCAN_SCRUB; 3180 3181 /* check options */ 3182 while ((c = getopt(argc, argv, "s")) != -1) { 3183 switch (c) { 3184 case 's': 3185 cb.cb_type = POOL_SCAN_NONE; 3186 break; 3187 case '?': 3188 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3189 optopt); 3190 usage(B_FALSE); 3191 } 3192 } 3193 3194 cb.cb_argc = argc; 3195 cb.cb_argv = argv; 3196 argc -= optind; 3197 argv += optind; 3198 3199 if (argc < 1) { 3200 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3201 usage(B_FALSE); 3202 } 3203 3204 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3205 } 3206 3207 typedef struct status_cbdata { 3208 int cb_count; 3209 boolean_t cb_allpools; 3210 boolean_t cb_verbose; 3211 boolean_t cb_explain; 3212 boolean_t cb_first; 3213 boolean_t cb_dedup_stats; 3214 } status_cbdata_t; 3215 3216 /* 3217 * Print out detailed scrub status. 3218 */ 3219 void 3220 print_scan_status(pool_scan_stat_t *ps) 3221 { 3222 time_t start, end; 3223 uint64_t elapsed, mins_left; 3224 uint64_t pass_exam, examined, total; 3225 uint_t rate; 3226 double fraction_done; 3227 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7]; 3228 3229 (void) printf(gettext(" scan: ")); 3230 3231 /* If there's never been a scan, there's not much to say. */ 3232 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE || 3233 ps->pss_func >= POOL_SCAN_FUNCS) { 3234 (void) printf(gettext("none requested\n")); 3235 return; 3236 } 3237 3238 start = ps->pss_start_time; 3239 end = ps->pss_end_time; 3240 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf)); 3241 3242 assert(ps->pss_func == POOL_SCAN_SCRUB || 3243 ps->pss_func == POOL_SCAN_RESILVER); 3244 /* 3245 * Scan is finished or canceled. 3246 */ 3247 if (ps->pss_state == DSS_FINISHED) { 3248 uint64_t minutes_taken = (end - start) / 60; 3249 char *fmt; 3250 3251 if (ps->pss_func == POOL_SCAN_SCRUB) { 3252 fmt = gettext("scrub repaired %s in %lluh%um with " 3253 "%llu errors on %s"); 3254 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3255 fmt = gettext("resilvered %s in %lluh%um with " 3256 "%llu errors on %s"); 3257 } 3258 /* LINTED */ 3259 (void) printf(fmt, processed_buf, 3260 (u_longlong_t)(minutes_taken / 60), 3261 (uint_t)(minutes_taken % 60), 3262 (u_longlong_t)ps->pss_errors, 3263 ctime((time_t *)&end)); 3264 return; 3265 } else if (ps->pss_state == DSS_CANCELED) { 3266 if (ps->pss_func == POOL_SCAN_SCRUB) { 3267 (void) printf(gettext("scrub canceled on %s"), 3268 ctime(&end)); 3269 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3270 (void) printf(gettext("resilver canceled on %s"), 3271 ctime(&end)); 3272 } 3273 return; 3274 } 3275 3276 assert(ps->pss_state == DSS_SCANNING); 3277 3278 /* 3279 * Scan is in progress. 3280 */ 3281 if (ps->pss_func == POOL_SCAN_SCRUB) { 3282 (void) printf(gettext("scrub in progress since %s"), 3283 ctime(&start)); 3284 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3285 (void) printf(gettext("resilver in progress since %s"), 3286 ctime(&start)); 3287 } 3288 3289 examined = ps->pss_examined ? ps->pss_examined : 1; 3290 total = ps->pss_to_examine; 3291 fraction_done = (double)examined / total; 3292 3293 /* elapsed time for this pass */ 3294 elapsed = time(NULL) - ps->pss_pass_start; 3295 elapsed = elapsed ? elapsed : 1; 3296 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1; 3297 rate = pass_exam / elapsed; 3298 rate = rate ? rate : 1; 3299 mins_left = ((total - examined) / rate) / 60; 3300 3301 zfs_nicenum(examined, examined_buf, sizeof (examined_buf)); 3302 zfs_nicenum(total, total_buf, sizeof (total_buf)); 3303 zfs_nicenum(rate, rate_buf, sizeof (rate_buf)); 3304 3305 (void) printf(gettext(" %s scanned out of %s at " 3306 "%s/s, %lluh%um to go\n"), examined_buf, total_buf, rate_buf, 3307 (u_longlong_t)(mins_left / 60), 3308 (uint_t)(mins_left % 60)); 3309 3310 if (ps->pss_func == POOL_SCAN_RESILVER) { 3311 (void) printf(gettext(" %s resilvered, %.2f%% done\n"), 3312 processed_buf, 100 * fraction_done); 3313 } else if (ps->pss_func == POOL_SCAN_SCRUB) { 3314 (void) printf(gettext(" %s repaired, %.2f%% done\n"), 3315 processed_buf, 100 * fraction_done); 3316 } 3317 } 3318 3319 static void 3320 print_error_log(zpool_handle_t *zhp) 3321 { 3322 nvlist_t *nverrlist = NULL; 3323 nvpair_t *elem; 3324 char *pathname; 3325 size_t len = MAXPATHLEN * 2; 3326 3327 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3328 (void) printf("errors: List of errors unavailable " 3329 "(insufficient privileges)\n"); 3330 return; 3331 } 3332 3333 (void) printf("errors: Permanent errors have been " 3334 "detected in the following files:\n\n"); 3335 3336 pathname = safe_malloc(len); 3337 elem = NULL; 3338 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 3339 nvlist_t *nv; 3340 uint64_t dsobj, obj; 3341 3342 verify(nvpair_value_nvlist(elem, &nv) == 0); 3343 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 3344 &dsobj) == 0); 3345 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 3346 &obj) == 0); 3347 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 3348 (void) printf("%7s %s\n", "", pathname); 3349 } 3350 free(pathname); 3351 nvlist_free(nverrlist); 3352 } 3353 3354 static void 3355 print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 3356 int namewidth) 3357 { 3358 uint_t i; 3359 char *name; 3360 3361 if (nspares == 0) 3362 return; 3363 3364 (void) printf(gettext("\tspares\n")); 3365 3366 for (i = 0; i < nspares; i++) { 3367 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 3368 print_status_config(zhp, name, spares[i], 3369 namewidth, 2, B_TRUE); 3370 free(name); 3371 } 3372 } 3373 3374 static void 3375 print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 3376 int namewidth) 3377 { 3378 uint_t i; 3379 char *name; 3380 3381 if (nl2cache == 0) 3382 return; 3383 3384 (void) printf(gettext("\tcache\n")); 3385 3386 for (i = 0; i < nl2cache; i++) { 3387 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 3388 print_status_config(zhp, name, l2cache[i], 3389 namewidth, 2, B_FALSE); 3390 free(name); 3391 } 3392 } 3393 3394 static void 3395 print_dedup_stats(nvlist_t *config) 3396 { 3397 ddt_histogram_t *ddh; 3398 ddt_stat_t *dds; 3399 ddt_object_t *ddo; 3400 uint_t c; 3401 3402 /* 3403 * If the pool was faulted then we may not have been able to 3404 * obtain the config. Otherwise, if have anything in the dedup 3405 * table continue processing the stats. 3406 */ 3407 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 3408 (uint64_t **)&ddo, &c) != 0 || ddo->ddo_count == 0) 3409 return; 3410 3411 (void) printf("\n"); 3412 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 3413 (u_longlong_t)ddo->ddo_count, 3414 (u_longlong_t)ddo->ddo_dspace, 3415 (u_longlong_t)ddo->ddo_mspace); 3416 3417 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 3418 (uint64_t **)&dds, &c) == 0); 3419 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 3420 (uint64_t **)&ddh, &c) == 0); 3421 zpool_dump_ddt(dds, ddh); 3422 } 3423 3424 /* 3425 * Display a summary of pool status. Displays a summary such as: 3426 * 3427 * pool: tank 3428 * status: DEGRADED 3429 * reason: One or more devices ... 3430 * see: http://www.sun.com/msg/ZFS-xxxx-01 3431 * config: 3432 * mirror DEGRADED 3433 * c1t0d0 OK 3434 * c2t0d0 UNAVAIL 3435 * 3436 * When given the '-v' option, we print out the complete config. If the '-e' 3437 * option is specified, then we print out error rate information as well. 3438 */ 3439 int 3440 status_callback(zpool_handle_t *zhp, void *data) 3441 { 3442 status_cbdata_t *cbp = data; 3443 nvlist_t *config, *nvroot; 3444 char *msgid; 3445 int reason; 3446 const char *health; 3447 uint_t c; 3448 vdev_stat_t *vs; 3449 3450 config = zpool_get_config(zhp, NULL); 3451 reason = zpool_get_status(zhp, &msgid); 3452 3453 cbp->cb_count++; 3454 3455 /* 3456 * If we were given 'zpool status -x', only report those pools with 3457 * problems. 3458 */ 3459 if (reason == ZPOOL_STATUS_OK && cbp->cb_explain) { 3460 if (!cbp->cb_allpools) { 3461 (void) printf(gettext("pool '%s' is healthy\n"), 3462 zpool_get_name(zhp)); 3463 if (cbp->cb_first) 3464 cbp->cb_first = B_FALSE; 3465 } 3466 return (0); 3467 } 3468 3469 if (cbp->cb_first) 3470 cbp->cb_first = B_FALSE; 3471 else 3472 (void) printf("\n"); 3473 3474 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3475 &nvroot) == 0); 3476 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 3477 (uint64_t **)&vs, &c) == 0); 3478 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 3479 3480 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 3481 (void) printf(gettext(" state: %s\n"), health); 3482 3483 switch (reason) { 3484 case ZPOOL_STATUS_MISSING_DEV_R: 3485 (void) printf(gettext("status: One or more devices could not " 3486 "be opened. Sufficient replicas exist for\n\tthe pool to " 3487 "continue functioning in a degraded state.\n")); 3488 (void) printf(gettext("action: Attach the missing device and " 3489 "online it using 'zpool online'.\n")); 3490 break; 3491 3492 case ZPOOL_STATUS_MISSING_DEV_NR: 3493 (void) printf(gettext("status: One or more devices could not " 3494 "be opened. There are insufficient\n\treplicas for the " 3495 "pool to continue functioning.\n")); 3496 (void) printf(gettext("action: Attach the missing device and " 3497 "online it using 'zpool online'.\n")); 3498 break; 3499 3500 case ZPOOL_STATUS_CORRUPT_LABEL_R: 3501 (void) printf(gettext("status: One or more devices could not " 3502 "be used because the label is missing or\n\tinvalid. " 3503 "Sufficient replicas exist for the pool to continue\n\t" 3504 "functioning in a degraded state.\n")); 3505 (void) printf(gettext("action: Replace the device using " 3506 "'zpool replace'.\n")); 3507 break; 3508 3509 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 3510 (void) printf(gettext("status: One or more devices could not " 3511 "be used because the label is missing \n\tor invalid. " 3512 "There are insufficient replicas for the pool to " 3513 "continue\n\tfunctioning.\n")); 3514 zpool_explain_recover(zpool_get_handle(zhp), 3515 zpool_get_name(zhp), reason, config); 3516 break; 3517 3518 case ZPOOL_STATUS_FAILING_DEV: 3519 (void) printf(gettext("status: One or more devices has " 3520 "experienced an unrecoverable error. An\n\tattempt was " 3521 "made to correct the error. Applications are " 3522 "unaffected.\n")); 3523 (void) printf(gettext("action: Determine if the device needs " 3524 "to be replaced, and clear the errors\n\tusing " 3525 "'zpool clear' or replace the device with 'zpool " 3526 "replace'.\n")); 3527 break; 3528 3529 case ZPOOL_STATUS_OFFLINE_DEV: 3530 (void) printf(gettext("status: One or more devices has " 3531 "been taken offline by the administrator.\n\tSufficient " 3532 "replicas exist for the pool to continue functioning in " 3533 "a\n\tdegraded state.\n")); 3534 (void) printf(gettext("action: Online the device using " 3535 "'zpool online' or replace the device with\n\t'zpool " 3536 "replace'.\n")); 3537 break; 3538 3539 case ZPOOL_STATUS_REMOVED_DEV: 3540 (void) printf(gettext("status: One or more devices has " 3541 "been removed by the administrator.\n\tSufficient " 3542 "replicas exist for the pool to continue functioning in " 3543 "a\n\tdegraded state.\n")); 3544 (void) printf(gettext("action: Online the device using " 3545 "'zpool online' or replace the device with\n\t'zpool " 3546 "replace'.\n")); 3547 break; 3548 3549 case ZPOOL_STATUS_RESILVERING: 3550 (void) printf(gettext("status: One or more devices is " 3551 "currently being resilvered. The pool will\n\tcontinue " 3552 "to function, possibly in a degraded state.\n")); 3553 (void) printf(gettext("action: Wait for the resilver to " 3554 "complete.\n")); 3555 break; 3556 3557 case ZPOOL_STATUS_CORRUPT_DATA: 3558 (void) printf(gettext("status: One or more devices has " 3559 "experienced an error resulting in data\n\tcorruption. " 3560 "Applications may be affected.\n")); 3561 (void) printf(gettext("action: Restore the file in question " 3562 "if possible. Otherwise restore the\n\tentire pool from " 3563 "backup.\n")); 3564 break; 3565 3566 case ZPOOL_STATUS_CORRUPT_POOL: 3567 (void) printf(gettext("status: The pool metadata is corrupted " 3568 "and the pool cannot be opened.\n")); 3569 zpool_explain_recover(zpool_get_handle(zhp), 3570 zpool_get_name(zhp), reason, config); 3571 break; 3572 3573 case ZPOOL_STATUS_VERSION_OLDER: 3574 (void) printf(gettext("status: The pool is formatted using an " 3575 "older on-disk format. The pool can\n\tstill be used, but " 3576 "some features are unavailable.\n")); 3577 (void) printf(gettext("action: Upgrade the pool using 'zpool " 3578 "upgrade'. Once this is done, the\n\tpool will no longer " 3579 "be accessible on older software versions.\n")); 3580 break; 3581 3582 case ZPOOL_STATUS_VERSION_NEWER: 3583 (void) printf(gettext("status: The pool has been upgraded to a " 3584 "newer, incompatible on-disk version.\n\tThe pool cannot " 3585 "be accessed on this system.\n")); 3586 (void) printf(gettext("action: Access the pool from a system " 3587 "running more recent software, or\n\trestore the pool from " 3588 "backup.\n")); 3589 break; 3590 3591 case ZPOOL_STATUS_FAULTED_DEV_R: 3592 (void) printf(gettext("status: One or more devices are " 3593 "faulted in response to persistent errors.\n\tSufficient " 3594 "replicas exist for the pool to continue functioning " 3595 "in a\n\tdegraded state.\n")); 3596 (void) printf(gettext("action: Replace the faulted device, " 3597 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 3598 break; 3599 3600 case ZPOOL_STATUS_FAULTED_DEV_NR: 3601 (void) printf(gettext("status: One or more devices are " 3602 "faulted in response to persistent errors. There are " 3603 "insufficient replicas for the pool to\n\tcontinue " 3604 "functioning.\n")); 3605 (void) printf(gettext("action: Destroy and re-create the pool " 3606 "from a backup source. Manually marking the device\n" 3607 "\trepaired using 'zpool clear' may allow some data " 3608 "to be recovered.\n")); 3609 break; 3610 3611 case ZPOOL_STATUS_IO_FAILURE_WAIT: 3612 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 3613 (void) printf(gettext("status: One or more devices are " 3614 "faulted in response to IO failures.\n")); 3615 (void) printf(gettext("action: Make sure the affected devices " 3616 "are connected, then run 'zpool clear'.\n")); 3617 break; 3618 3619 case ZPOOL_STATUS_BAD_LOG: 3620 (void) printf(gettext("status: An intent log record " 3621 "could not be read.\n" 3622 "\tWaiting for adminstrator intervention to fix the " 3623 "faulted pool.\n")); 3624 (void) printf(gettext("action: Either restore the affected " 3625 "device(s) and run 'zpool online',\n" 3626 "\tor ignore the intent log records by running " 3627 "'zpool clear'.\n")); 3628 break; 3629 3630 default: 3631 /* 3632 * The remaining errors can't actually be generated, yet. 3633 */ 3634 assert(reason == ZPOOL_STATUS_OK); 3635 } 3636 3637 if (msgid != NULL) 3638 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 3639 msgid); 3640 3641 if (config != NULL) { 3642 int namewidth; 3643 uint64_t nerr; 3644 nvlist_t **spares, **l2cache; 3645 uint_t nspares, nl2cache; 3646 pool_scan_stat_t *ps = NULL; 3647 3648 (void) nvlist_lookup_uint64_array(nvroot, 3649 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c); 3650 print_scan_status(ps); 3651 3652 namewidth = max_width(zhp, nvroot, 0, 0); 3653 if (namewidth < 10) 3654 namewidth = 10; 3655 3656 (void) printf(gettext("config:\n\n")); 3657 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 3658 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 3659 print_status_config(zhp, zpool_get_name(zhp), nvroot, 3660 namewidth, 0, B_FALSE); 3661 3662 if (num_logs(nvroot) > 0) 3663 print_logs(zhp, nvroot, namewidth, B_TRUE); 3664 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 3665 &l2cache, &nl2cache) == 0) 3666 print_l2cache(zhp, l2cache, nl2cache, namewidth); 3667 3668 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 3669 &spares, &nspares) == 0) 3670 print_spares(zhp, spares, nspares, namewidth); 3671 3672 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 3673 &nerr) == 0) { 3674 nvlist_t *nverrlist = NULL; 3675 3676 /* 3677 * If the approximate error count is small, get a 3678 * precise count by fetching the entire log and 3679 * uniquifying the results. 3680 */ 3681 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 3682 zpool_get_errlog(zhp, &nverrlist) == 0) { 3683 nvpair_t *elem; 3684 3685 elem = NULL; 3686 nerr = 0; 3687 while ((elem = nvlist_next_nvpair(nverrlist, 3688 elem)) != NULL) { 3689 nerr++; 3690 } 3691 } 3692 nvlist_free(nverrlist); 3693 3694 (void) printf("\n"); 3695 3696 if (nerr == 0) 3697 (void) printf(gettext("errors: No known data " 3698 "errors\n")); 3699 else if (!cbp->cb_verbose) 3700 (void) printf(gettext("errors: %llu data " 3701 "errors, use '-v' for a list\n"), 3702 (u_longlong_t)nerr); 3703 else 3704 print_error_log(zhp); 3705 } 3706 3707 if (cbp->cb_dedup_stats) 3708 print_dedup_stats(config); 3709 } else { 3710 (void) printf(gettext("config: The configuration cannot be " 3711 "determined.\n")); 3712 } 3713 3714 return (0); 3715 } 3716 3717 /* 3718 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]] 3719 * 3720 * -v Display complete error logs 3721 * -x Display only pools with potential problems 3722 * -D Display dedup status (undocumented) 3723 * -T Display a timestamp in date(1) or Unix format 3724 * 3725 * Describes the health status of all pools or some subset. 3726 */ 3727 int 3728 zpool_do_status(int argc, char **argv) 3729 { 3730 int c; 3731 int ret; 3732 unsigned long interval = 0, count = 0; 3733 status_cbdata_t cb = { 0 }; 3734 3735 /* check options */ 3736 while ((c = getopt(argc, argv, "vxDT:")) != -1) { 3737 switch (c) { 3738 case 'v': 3739 cb.cb_verbose = B_TRUE; 3740 break; 3741 case 'x': 3742 cb.cb_explain = B_TRUE; 3743 break; 3744 case 'D': 3745 cb.cb_dedup_stats = B_TRUE; 3746 break; 3747 case 'T': 3748 get_timestamp_arg(*optarg); 3749 break; 3750 case '?': 3751 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3752 optopt); 3753 usage(B_FALSE); 3754 } 3755 } 3756 3757 argc -= optind; 3758 argv += optind; 3759 3760 get_interval_count(&argc, argv, &interval, &count); 3761 3762 if (argc == 0) 3763 cb.cb_allpools = B_TRUE; 3764 3765 cb.cb_first = B_TRUE; 3766 3767 for (;;) { 3768 if (timestamp_fmt != NODATE) 3769 print_timestamp(timestamp_fmt); 3770 3771 ret = for_each_pool(argc, argv, B_TRUE, NULL, 3772 status_callback, &cb); 3773 3774 if (argc == 0 && cb.cb_count == 0) 3775 (void) printf(gettext("no pools available\n")); 3776 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 3777 (void) printf(gettext("all pools are healthy\n")); 3778 3779 if (ret != 0) 3780 return (ret); 3781 3782 if (interval == 0) 3783 break; 3784 3785 if (count != 0 && --count == 0) 3786 break; 3787 3788 (void) sleep(interval); 3789 } 3790 3791 return (0); 3792 } 3793 3794 typedef struct upgrade_cbdata { 3795 int cb_all; 3796 int cb_first; 3797 int cb_newer; 3798 int cb_argc; 3799 uint64_t cb_version; 3800 char **cb_argv; 3801 } upgrade_cbdata_t; 3802 3803 static int 3804 upgrade_cb(zpool_handle_t *zhp, void *arg) 3805 { 3806 upgrade_cbdata_t *cbp = arg; 3807 nvlist_t *config; 3808 uint64_t version; 3809 int ret = 0; 3810 3811 config = zpool_get_config(zhp, NULL); 3812 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 3813 &version) == 0); 3814 3815 if (!cbp->cb_newer && version < SPA_VERSION) { 3816 if (!cbp->cb_all) { 3817 if (cbp->cb_first) { 3818 (void) printf(gettext("The following pools are " 3819 "out of date, and can be upgraded. After " 3820 "being\nupgraded, these pools will no " 3821 "longer be accessible by older software " 3822 "versions.\n\n")); 3823 (void) printf(gettext("VER POOL\n")); 3824 (void) printf(gettext("--- ------------\n")); 3825 cbp->cb_first = B_FALSE; 3826 } 3827 3828 (void) printf("%2llu %s\n", (u_longlong_t)version, 3829 zpool_get_name(zhp)); 3830 } else { 3831 cbp->cb_first = B_FALSE; 3832 ret = zpool_upgrade(zhp, cbp->cb_version); 3833 if (!ret) { 3834 (void) printf(gettext("Successfully upgraded " 3835 "'%s'\n\n"), zpool_get_name(zhp)); 3836 } 3837 } 3838 } else if (cbp->cb_newer && version > SPA_VERSION) { 3839 assert(!cbp->cb_all); 3840 3841 if (cbp->cb_first) { 3842 (void) printf(gettext("The following pools are " 3843 "formatted using a newer software version and\n" 3844 "cannot be accessed on the current system.\n\n")); 3845 (void) printf(gettext("VER POOL\n")); 3846 (void) printf(gettext("--- ------------\n")); 3847 cbp->cb_first = B_FALSE; 3848 } 3849 3850 (void) printf("%2llu %s\n", (u_longlong_t)version, 3851 zpool_get_name(zhp)); 3852 } 3853 3854 zpool_close(zhp); 3855 return (ret); 3856 } 3857 3858 /* ARGSUSED */ 3859 static int 3860 upgrade_one(zpool_handle_t *zhp, void *data) 3861 { 3862 upgrade_cbdata_t *cbp = data; 3863 uint64_t cur_version; 3864 int ret; 3865 3866 if (strcmp("log", zpool_get_name(zhp)) == 0) { 3867 (void) printf(gettext("'log' is now a reserved word\n" 3868 "Pool 'log' must be renamed using export and import" 3869 " to upgrade.\n")); 3870 return (1); 3871 } 3872 3873 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 3874 if (cur_version > cbp->cb_version) { 3875 (void) printf(gettext("Pool '%s' is already formatted " 3876 "using more current version '%llu'.\n"), 3877 zpool_get_name(zhp), cur_version); 3878 return (0); 3879 } 3880 if (cur_version == cbp->cb_version) { 3881 (void) printf(gettext("Pool '%s' is already formatted " 3882 "using the current version.\n"), zpool_get_name(zhp)); 3883 return (0); 3884 } 3885 3886 ret = zpool_upgrade(zhp, cbp->cb_version); 3887 3888 if (!ret) { 3889 (void) printf(gettext("Successfully upgraded '%s' " 3890 "from version %llu to version %llu\n\n"), 3891 zpool_get_name(zhp), (u_longlong_t)cur_version, 3892 (u_longlong_t)cbp->cb_version); 3893 } 3894 3895 return (ret != 0); 3896 } 3897 3898 /* 3899 * zpool upgrade 3900 * zpool upgrade -v 3901 * zpool upgrade [-V version] <-a | pool ...> 3902 * 3903 * With no arguments, display downrev'd ZFS pool available for upgrade. 3904 * Individual pools can be upgraded by specifying the pool, and '-a' will 3905 * upgrade all pools. 3906 */ 3907 int 3908 zpool_do_upgrade(int argc, char **argv) 3909 { 3910 int c; 3911 upgrade_cbdata_t cb = { 0 }; 3912 int ret = 0; 3913 boolean_t showversions = B_FALSE; 3914 char *end; 3915 3916 3917 /* check options */ 3918 while ((c = getopt(argc, argv, ":avV:")) != -1) { 3919 switch (c) { 3920 case 'a': 3921 cb.cb_all = B_TRUE; 3922 break; 3923 case 'v': 3924 showversions = B_TRUE; 3925 break; 3926 case 'V': 3927 cb.cb_version = strtoll(optarg, &end, 10); 3928 if (*end != '\0' || cb.cb_version > SPA_VERSION || 3929 cb.cb_version < SPA_VERSION_1) { 3930 (void) fprintf(stderr, 3931 gettext("invalid version '%s'\n"), optarg); 3932 usage(B_FALSE); 3933 } 3934 break; 3935 case ':': 3936 (void) fprintf(stderr, gettext("missing argument for " 3937 "'%c' option\n"), optopt); 3938 usage(B_FALSE); 3939 break; 3940 case '?': 3941 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3942 optopt); 3943 usage(B_FALSE); 3944 } 3945 } 3946 3947 cb.cb_argc = argc; 3948 cb.cb_argv = argv; 3949 argc -= optind; 3950 argv += optind; 3951 3952 if (cb.cb_version == 0) { 3953 cb.cb_version = SPA_VERSION; 3954 } else if (!cb.cb_all && argc == 0) { 3955 (void) fprintf(stderr, gettext("-V option is " 3956 "incompatible with other arguments\n")); 3957 usage(B_FALSE); 3958 } 3959 3960 if (showversions) { 3961 if (cb.cb_all || argc != 0) { 3962 (void) fprintf(stderr, gettext("-v option is " 3963 "incompatible with other arguments\n")); 3964 usage(B_FALSE); 3965 } 3966 } else if (cb.cb_all) { 3967 if (argc != 0) { 3968 (void) fprintf(stderr, gettext("-a option should not " 3969 "be used along with a pool name\n")); 3970 usage(B_FALSE); 3971 } 3972 } 3973 3974 (void) printf(gettext("This system is currently running " 3975 "ZFS pool version %llu.\n\n"), SPA_VERSION); 3976 cb.cb_first = B_TRUE; 3977 if (showversions) { 3978 (void) printf(gettext("The following versions are " 3979 "supported:\n\n")); 3980 (void) printf(gettext("VER DESCRIPTION\n")); 3981 (void) printf("--- -----------------------------------------" 3982 "---------------\n"); 3983 (void) printf(gettext(" 1 Initial ZFS version\n")); 3984 (void) printf(gettext(" 2 Ditto blocks " 3985 "(replicated metadata)\n")); 3986 (void) printf(gettext(" 3 Hot spares and double parity " 3987 "RAID-Z\n")); 3988 (void) printf(gettext(" 4 zpool history\n")); 3989 (void) printf(gettext(" 5 Compression using the gzip " 3990 "algorithm\n")); 3991 (void) printf(gettext(" 6 bootfs pool property\n")); 3992 (void) printf(gettext(" 7 Separate intent log devices\n")); 3993 (void) printf(gettext(" 8 Delegated administration\n")); 3994 (void) printf(gettext(" 9 refquota and refreservation " 3995 "properties\n")); 3996 (void) printf(gettext(" 10 Cache devices\n")); 3997 (void) printf(gettext(" 11 Improved scrub performance\n")); 3998 (void) printf(gettext(" 12 Snapshot properties\n")); 3999 (void) printf(gettext(" 13 snapused property\n")); 4000 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 4001 (void) printf(gettext(" 15 user/group space accounting\n")); 4002 (void) printf(gettext(" 16 stmf property support\n")); 4003 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 4004 (void) printf(gettext(" 18 Snapshot user holds\n")); 4005 (void) printf(gettext(" 19 Log device removal\n")); 4006 (void) printf(gettext(" 20 Compression using zle " 4007 "(zero-length encoding)\n")); 4008 (void) printf(gettext(" 21 Deduplication\n")); 4009 (void) printf(gettext(" 22 Received properties\n")); 4010 (void) printf(gettext(" 23 Slim ZIL\n")); 4011 (void) printf(gettext(" 24 System attributes\n")); 4012 (void) printf(gettext(" 25 Improved scrub stats\n")); 4013 (void) printf(gettext(" 26 Improved snapshot deletion " 4014 "performance\n")); 4015 (void) printf(gettext(" 27 Improved snapshot creation " 4016 "performance\n")); 4017 (void) printf(gettext(" 28 Multiple vdev replacements\n")); 4018 (void) printf(gettext("\nFor more information on a particular " 4019 "version, including supported releases,\n")); 4020 (void) printf(gettext("see the ZFS Administration Guide.\n\n")); 4021 } else if (argc == 0) { 4022 int notfound; 4023 4024 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4025 notfound = cb.cb_first; 4026 4027 if (!cb.cb_all && ret == 0) { 4028 if (!cb.cb_first) 4029 (void) printf("\n"); 4030 cb.cb_first = B_TRUE; 4031 cb.cb_newer = B_TRUE; 4032 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4033 if (!cb.cb_first) { 4034 notfound = B_FALSE; 4035 (void) printf("\n"); 4036 } 4037 } 4038 4039 if (ret == 0) { 4040 if (notfound) 4041 (void) printf(gettext("All pools are formatted " 4042 "using this version.\n")); 4043 else if (!cb.cb_all) 4044 (void) printf(gettext("Use 'zpool upgrade -v' " 4045 "for a list of available versions and " 4046 "their associated\nfeatures.\n")); 4047 } 4048 } else { 4049 ret = for_each_pool(argc, argv, B_FALSE, NULL, 4050 upgrade_one, &cb); 4051 } 4052 4053 return (ret); 4054 } 4055 4056 typedef struct hist_cbdata { 4057 boolean_t first; 4058 int longfmt; 4059 int internal; 4060 } hist_cbdata_t; 4061 4062 /* 4063 * Print out the command history for a specific pool. 4064 */ 4065 static int 4066 get_history_one(zpool_handle_t *zhp, void *data) 4067 { 4068 nvlist_t *nvhis; 4069 nvlist_t **records; 4070 uint_t numrecords; 4071 char *cmdstr; 4072 char *pathstr; 4073 uint64_t dst_time; 4074 time_t tsec; 4075 struct tm t; 4076 char tbuf[30]; 4077 int ret, i; 4078 uint64_t who; 4079 struct passwd *pwd; 4080 char *hostname; 4081 char *zonename; 4082 char internalstr[MAXPATHLEN]; 4083 hist_cbdata_t *cb = (hist_cbdata_t *)data; 4084 uint64_t txg; 4085 uint64_t ievent; 4086 4087 cb->first = B_FALSE; 4088 4089 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 4090 4091 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 4092 return (ret); 4093 4094 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 4095 &records, &numrecords) == 0); 4096 for (i = 0; i < numrecords; i++) { 4097 if (nvlist_lookup_uint64(records[i], ZPOOL_HIST_TIME, 4098 &dst_time) != 0) 4099 continue; 4100 4101 /* is it an internal event or a standard event? */ 4102 if (nvlist_lookup_string(records[i], ZPOOL_HIST_CMD, 4103 &cmdstr) != 0) { 4104 if (cb->internal == 0) 4105 continue; 4106 4107 if (nvlist_lookup_uint64(records[i], 4108 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 4109 continue; 4110 verify(nvlist_lookup_uint64(records[i], 4111 ZPOOL_HIST_TXG, &txg) == 0); 4112 verify(nvlist_lookup_string(records[i], 4113 ZPOOL_HIST_INT_STR, &pathstr) == 0); 4114 if (ievent >= LOG_END) 4115 continue; 4116 (void) snprintf(internalstr, 4117 sizeof (internalstr), 4118 "[internal %s txg:%lld] %s", 4119 zfs_history_event_names[ievent], txg, 4120 pathstr); 4121 cmdstr = internalstr; 4122 } 4123 tsec = dst_time; 4124 (void) localtime_r(&tsec, &t); 4125 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 4126 (void) printf("%s %s", tbuf, cmdstr); 4127 4128 if (!cb->longfmt) { 4129 (void) printf("\n"); 4130 continue; 4131 } 4132 (void) printf(" ["); 4133 if (nvlist_lookup_uint64(records[i], 4134 ZPOOL_HIST_WHO, &who) == 0) { 4135 pwd = getpwuid((uid_t)who); 4136 if (pwd) 4137 (void) printf("user %s on", 4138 pwd->pw_name); 4139 else 4140 (void) printf("user %d on", 4141 (int)who); 4142 } else { 4143 (void) printf(gettext("no info]\n")); 4144 continue; 4145 } 4146 if (nvlist_lookup_string(records[i], 4147 ZPOOL_HIST_HOST, &hostname) == 0) { 4148 (void) printf(" %s", hostname); 4149 } 4150 if (nvlist_lookup_string(records[i], 4151 ZPOOL_HIST_ZONE, &zonename) == 0) { 4152 (void) printf(":%s", zonename); 4153 } 4154 4155 (void) printf("]"); 4156 (void) printf("\n"); 4157 } 4158 (void) printf("\n"); 4159 nvlist_free(nvhis); 4160 4161 return (ret); 4162 } 4163 4164 /* 4165 * zpool history <pool> 4166 * 4167 * Displays the history of commands that modified pools. 4168 */ 4169 4170 4171 int 4172 zpool_do_history(int argc, char **argv) 4173 { 4174 hist_cbdata_t cbdata = { 0 }; 4175 int ret; 4176 int c; 4177 4178 cbdata.first = B_TRUE; 4179 /* check options */ 4180 while ((c = getopt(argc, argv, "li")) != -1) { 4181 switch (c) { 4182 case 'l': 4183 cbdata.longfmt = 1; 4184 break; 4185 case 'i': 4186 cbdata.internal = 1; 4187 break; 4188 case '?': 4189 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4190 optopt); 4191 usage(B_FALSE); 4192 } 4193 } 4194 argc -= optind; 4195 argv += optind; 4196 4197 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 4198 &cbdata); 4199 4200 if (argc == 0 && cbdata.first == B_TRUE) { 4201 (void) printf(gettext("no pools available\n")); 4202 return (0); 4203 } 4204 4205 return (ret); 4206 } 4207 4208 static int 4209 get_callback(zpool_handle_t *zhp, void *data) 4210 { 4211 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 4212 char value[MAXNAMELEN]; 4213 zprop_source_t srctype; 4214 zprop_list_t *pl; 4215 4216 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 4217 4218 /* 4219 * Skip the special fake placeholder. This will also skip 4220 * over the name property when 'all' is specified. 4221 */ 4222 if (pl->pl_prop == ZPOOL_PROP_NAME && 4223 pl == cbp->cb_proplist) 4224 continue; 4225 4226 if (zpool_get_prop(zhp, pl->pl_prop, 4227 value, sizeof (value), &srctype) != 0) 4228 continue; 4229 4230 zprop_print_one_property(zpool_get_name(zhp), cbp, 4231 zpool_prop_to_name(pl->pl_prop), value, srctype, NULL, 4232 NULL); 4233 } 4234 return (0); 4235 } 4236 4237 int 4238 zpool_do_get(int argc, char **argv) 4239 { 4240 zprop_get_cbdata_t cb = { 0 }; 4241 zprop_list_t fake_name = { 0 }; 4242 int ret; 4243 4244 if (argc < 3) 4245 usage(B_FALSE); 4246 4247 cb.cb_first = B_TRUE; 4248 cb.cb_sources = ZPROP_SRC_ALL; 4249 cb.cb_columns[0] = GET_COL_NAME; 4250 cb.cb_columns[1] = GET_COL_PROPERTY; 4251 cb.cb_columns[2] = GET_COL_VALUE; 4252 cb.cb_columns[3] = GET_COL_SOURCE; 4253 cb.cb_type = ZFS_TYPE_POOL; 4254 4255 if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist, 4256 ZFS_TYPE_POOL) != 0) 4257 usage(B_FALSE); 4258 4259 if (cb.cb_proplist != NULL) { 4260 fake_name.pl_prop = ZPOOL_PROP_NAME; 4261 fake_name.pl_width = strlen(gettext("NAME")); 4262 fake_name.pl_next = cb.cb_proplist; 4263 cb.cb_proplist = &fake_name; 4264 } 4265 4266 ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist, 4267 get_callback, &cb); 4268 4269 if (cb.cb_proplist == &fake_name) 4270 zprop_free_list(fake_name.pl_next); 4271 else 4272 zprop_free_list(cb.cb_proplist); 4273 4274 return (ret); 4275 } 4276 4277 typedef struct set_cbdata { 4278 char *cb_propname; 4279 char *cb_value; 4280 boolean_t cb_any_successful; 4281 } set_cbdata_t; 4282 4283 int 4284 set_callback(zpool_handle_t *zhp, void *data) 4285 { 4286 int error; 4287 set_cbdata_t *cb = (set_cbdata_t *)data; 4288 4289 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 4290 4291 if (!error) 4292 cb->cb_any_successful = B_TRUE; 4293 4294 return (error); 4295 } 4296 4297 int 4298 zpool_do_set(int argc, char **argv) 4299 { 4300 set_cbdata_t cb = { 0 }; 4301 int error; 4302 4303 if (argc > 1 && argv[1][0] == '-') { 4304 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4305 argv[1][1]); 4306 usage(B_FALSE); 4307 } 4308 4309 if (argc < 2) { 4310 (void) fprintf(stderr, gettext("missing property=value " 4311 "argument\n")); 4312 usage(B_FALSE); 4313 } 4314 4315 if (argc < 3) { 4316 (void) fprintf(stderr, gettext("missing pool name\n")); 4317 usage(B_FALSE); 4318 } 4319 4320 if (argc > 3) { 4321 (void) fprintf(stderr, gettext("too many pool names\n")); 4322 usage(B_FALSE); 4323 } 4324 4325 cb.cb_propname = argv[1]; 4326 cb.cb_value = strchr(cb.cb_propname, '='); 4327 if (cb.cb_value == NULL) { 4328 (void) fprintf(stderr, gettext("missing value in " 4329 "property=value argument\n")); 4330 usage(B_FALSE); 4331 } 4332 4333 *(cb.cb_value) = '\0'; 4334 cb.cb_value++; 4335 4336 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 4337 set_callback, &cb); 4338 4339 return (error); 4340 } 4341 4342 static int 4343 find_command_idx(char *command, int *idx) 4344 { 4345 int i; 4346 4347 for (i = 0; i < NCOMMAND; i++) { 4348 if (command_table[i].name == NULL) 4349 continue; 4350 4351 if (strcmp(command, command_table[i].name) == 0) { 4352 *idx = i; 4353 return (0); 4354 } 4355 } 4356 return (1); 4357 } 4358 4359 int 4360 main(int argc, char **argv) 4361 { 4362 int ret; 4363 int i; 4364 char *cmdname; 4365 4366 (void) setlocale(LC_ALL, ""); 4367 (void) textdomain(TEXT_DOMAIN); 4368 4369 if ((g_zfs = libzfs_init()) == NULL) { 4370 (void) fprintf(stderr, gettext("internal error: failed to " 4371 "initialize ZFS library\n")); 4372 return (1); 4373 } 4374 4375 libzfs_print_on_error(g_zfs, B_TRUE); 4376 4377 opterr = 0; 4378 4379 /* 4380 * Make sure the user has specified some command. 4381 */ 4382 if (argc < 2) { 4383 (void) fprintf(stderr, gettext("missing command\n")); 4384 usage(B_FALSE); 4385 } 4386 4387 cmdname = argv[1]; 4388 4389 /* 4390 * Special case '-?' 4391 */ 4392 if (strcmp(cmdname, "-?") == 0) 4393 usage(B_TRUE); 4394 4395 zpool_set_history_str("zpool", argc, argv, history_str); 4396 verify(zpool_stage_history(g_zfs, history_str) == 0); 4397 4398 /* 4399 * Run the appropriate command. 4400 */ 4401 if (find_command_idx(cmdname, &i) == 0) { 4402 current_command = &command_table[i]; 4403 ret = command_table[i].func(argc - 1, argv + 1); 4404 } else if (strchr(cmdname, '=')) { 4405 verify(find_command_idx("set", &i) == 0); 4406 current_command = &command_table[i]; 4407 ret = command_table[i].func(argc, argv); 4408 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 4409 /* 4410 * 'freeze' is a vile debugging abomination, so we treat 4411 * it as such. 4412 */ 4413 char buf[16384]; 4414 int fd = open(ZFS_DEV, O_RDWR); 4415 (void) strcpy((void *)buf, argv[2]); 4416 return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf)); 4417 } else { 4418 (void) fprintf(stderr, gettext("unrecognized " 4419 "command '%s'\n"), cmdname); 4420 usage(B_FALSE); 4421 } 4422 4423 libzfs_fini(g_zfs); 4424 4425 /* 4426 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 4427 * for the purposes of running ::findleaks. 4428 */ 4429 if (getenv("ZFS_ABORT") != NULL) { 4430 (void) printf("dumping core by request\n"); 4431 abort(); 4432 } 4433 4434 return (ret); 4435 } 4436