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 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #include <stdio.h> 26 #include <stdio_ext.h> 27 #include <stdlib.h> 28 #include <ctype.h> 29 #include <sys/zfs_context.h> 30 #include <sys/spa.h> 31 #include <sys/spa_impl.h> 32 #include <sys/dmu.h> 33 #include <sys/zap.h> 34 #include <sys/fs/zfs.h> 35 #include <sys/zfs_znode.h> 36 #include <sys/zfs_sa.h> 37 #include <sys/sa.h> 38 #include <sys/sa_impl.h> 39 #include <sys/vdev.h> 40 #include <sys/vdev_impl.h> 41 #include <sys/metaslab_impl.h> 42 #include <sys/dmu_objset.h> 43 #include <sys/dsl_dir.h> 44 #include <sys/dsl_dataset.h> 45 #include <sys/dsl_pool.h> 46 #include <sys/dbuf.h> 47 #include <sys/zil.h> 48 #include <sys/zil_impl.h> 49 #include <sys/stat.h> 50 #include <sys/resource.h> 51 #include <sys/dmu_traverse.h> 52 #include <sys/zio_checksum.h> 53 #include <sys/zio_compress.h> 54 #include <sys/zfs_fuid.h> 55 #include <sys/arc.h> 56 #include <sys/ddt.h> 57 #undef ZFS_MAXNAMELEN 58 #undef verify 59 #include <libzfs.h> 60 61 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \ 62 zio_compress_table[(idx)].ci_name : "UNKNOWN") 63 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \ 64 zio_checksum_table[(idx)].ci_name : "UNKNOWN") 65 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \ 66 dmu_ot[(idx)].ot_name : "UNKNOWN") 67 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : DMU_OT_NUMTYPES) 68 69 #ifndef lint 70 extern int zfs_recover; 71 #else 72 int zfs_recover; 73 #endif 74 75 const char cmdname[] = "zdb"; 76 uint8_t dump_opt[256]; 77 78 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 79 80 extern void dump_intent_log(zilog_t *); 81 uint64_t *zopt_object = NULL; 82 int zopt_objects = 0; 83 libzfs_handle_t *g_zfs; 84 85 /* 86 * These libumem hooks provide a reasonable set of defaults for the allocator's 87 * debugging facilities. 88 */ 89 const char * 90 _umem_debug_init() 91 { 92 return ("default,verbose"); /* $UMEM_DEBUG setting */ 93 } 94 95 const char * 96 _umem_logging_init(void) 97 { 98 return ("fail,contents"); /* $UMEM_LOGGING setting */ 99 } 100 101 static void 102 usage(void) 103 { 104 (void) fprintf(stderr, 105 "Usage: %s [-CumdibcsDvhL] poolname [object...]\n" 106 " %s [-div] dataset [object...]\n" 107 " %s -m [-L] poolname [vdev [metaslab...]]\n" 108 " %s -R poolname vdev:offset:size[:flags]\n" 109 " %s -S poolname\n" 110 " %s -l [-u] device\n" 111 " %s -C\n\n", 112 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 113 114 (void) fprintf(stderr, " Dataset name must include at least one " 115 "separator character '/' or '@'\n"); 116 (void) fprintf(stderr, " If dataset name is specified, only that " 117 "dataset is dumped\n"); 118 (void) fprintf(stderr, " If object numbers are specified, only " 119 "those objects are dumped\n\n"); 120 (void) fprintf(stderr, " Options to control amount of output:\n"); 121 (void) fprintf(stderr, " -u uberblock\n"); 122 (void) fprintf(stderr, " -d dataset(s)\n"); 123 (void) fprintf(stderr, " -i intent logs\n"); 124 (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 125 (void) fprintf(stderr, " -h pool history\n"); 126 (void) fprintf(stderr, " -b block statistics\n"); 127 (void) fprintf(stderr, " -m metaslabs\n"); 128 (void) fprintf(stderr, " -c checksum all metadata (twice for " 129 "all data) blocks\n"); 130 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 131 (void) fprintf(stderr, " -D dedup statistics\n"); 132 (void) fprintf(stderr, " -S simulate dedup to measure effect\n"); 133 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 134 (void) fprintf(stderr, " -l dump label contents\n"); 135 (void) fprintf(stderr, " -L disable leak tracking (do not " 136 "load spacemaps)\n"); 137 (void) fprintf(stderr, " -R read and display block from a " 138 "device\n\n"); 139 (void) fprintf(stderr, " Below options are intended for use " 140 "with other options (except -l):\n"); 141 (void) fprintf(stderr, " -A ignore assertions (-A), enable " 142 "panic recovery (-AA) or both (-AAA)\n"); 143 (void) fprintf(stderr, " -F attempt automatic rewind within " 144 "safe range of transaction groups\n"); 145 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 146 "cachefile\n"); 147 (void) fprintf(stderr, " -X attempt extreme rewind (does not " 148 "work with dataset)\n"); 149 (void) fprintf(stderr, " -e pool is exported/destroyed/" 150 "has altroot/not in a cachefile\n"); 151 (void) fprintf(stderr, " -p <path> -- use one or more with " 152 "-e to specify path to vdev dir\n"); 153 (void) fprintf(stderr, " -P print numbers parsable\n"); 154 (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 155 "searching for uberblocks\n"); 156 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 157 "to make only that option verbose\n"); 158 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 159 exit(1); 160 } 161 162 /* 163 * Called for usage errors that are discovered after a call to spa_open(), 164 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 165 */ 166 167 static void 168 fatal(const char *fmt, ...) 169 { 170 va_list ap; 171 172 va_start(ap, fmt); 173 (void) fprintf(stderr, "%s: ", cmdname); 174 (void) vfprintf(stderr, fmt, ap); 175 va_end(ap); 176 (void) fprintf(stderr, "\n"); 177 178 exit(1); 179 } 180 181 /* ARGSUSED */ 182 static void 183 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 184 { 185 nvlist_t *nv; 186 size_t nvsize = *(uint64_t *)data; 187 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 188 189 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 190 191 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 192 193 umem_free(packed, nvsize); 194 195 dump_nvlist(nv, 8); 196 197 nvlist_free(nv); 198 } 199 200 static void 201 zdb_nicenum(uint64_t num, char *buf) 202 { 203 if (dump_opt['P']) 204 (void) sprintf(buf, "%llu", (longlong_t)num); 205 else 206 nicenum(num, buf); 207 } 208 209 const char dump_zap_stars[] = "****************************************"; 210 const int dump_zap_width = sizeof (dump_zap_stars) - 1; 211 212 static void 213 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE]) 214 { 215 int i; 216 int minidx = ZAP_HISTOGRAM_SIZE - 1; 217 int maxidx = 0; 218 uint64_t max = 0; 219 220 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) { 221 if (histo[i] > max) 222 max = histo[i]; 223 if (histo[i] > 0 && i > maxidx) 224 maxidx = i; 225 if (histo[i] > 0 && i < minidx) 226 minidx = i; 227 } 228 229 if (max < dump_zap_width) 230 max = dump_zap_width; 231 232 for (i = minidx; i <= maxidx; i++) 233 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i], 234 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]); 235 } 236 237 static void 238 dump_zap_stats(objset_t *os, uint64_t object) 239 { 240 int error; 241 zap_stats_t zs; 242 243 error = zap_get_stats(os, object, &zs); 244 if (error) 245 return; 246 247 if (zs.zs_ptrtbl_len == 0) { 248 ASSERT(zs.zs_num_blocks == 1); 249 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 250 (u_longlong_t)zs.zs_blocksize, 251 (u_longlong_t)zs.zs_num_entries); 252 return; 253 } 254 255 (void) printf("\tFat ZAP stats:\n"); 256 257 (void) printf("\t\tPointer table:\n"); 258 (void) printf("\t\t\t%llu elements\n", 259 (u_longlong_t)zs.zs_ptrtbl_len); 260 (void) printf("\t\t\tzt_blk: %llu\n", 261 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 262 (void) printf("\t\t\tzt_numblks: %llu\n", 263 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 264 (void) printf("\t\t\tzt_shift: %llu\n", 265 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 266 (void) printf("\t\t\tzt_blks_copied: %llu\n", 267 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 268 (void) printf("\t\t\tzt_nextblk: %llu\n", 269 (u_longlong_t)zs.zs_ptrtbl_nextblk); 270 271 (void) printf("\t\tZAP entries: %llu\n", 272 (u_longlong_t)zs.zs_num_entries); 273 (void) printf("\t\tLeaf blocks: %llu\n", 274 (u_longlong_t)zs.zs_num_leafs); 275 (void) printf("\t\tTotal blocks: %llu\n", 276 (u_longlong_t)zs.zs_num_blocks); 277 (void) printf("\t\tzap_block_type: 0x%llx\n", 278 (u_longlong_t)zs.zs_block_type); 279 (void) printf("\t\tzap_magic: 0x%llx\n", 280 (u_longlong_t)zs.zs_magic); 281 (void) printf("\t\tzap_salt: 0x%llx\n", 282 (u_longlong_t)zs.zs_salt); 283 284 (void) printf("\t\tLeafs with 2^n pointers:\n"); 285 dump_zap_histogram(zs.zs_leafs_with_2n_pointers); 286 287 (void) printf("\t\tBlocks with n*5 entries:\n"); 288 dump_zap_histogram(zs.zs_blocks_with_n5_entries); 289 290 (void) printf("\t\tBlocks n/10 full:\n"); 291 dump_zap_histogram(zs.zs_blocks_n_tenths_full); 292 293 (void) printf("\t\tEntries with n chunks:\n"); 294 dump_zap_histogram(zs.zs_entries_using_n_chunks); 295 296 (void) printf("\t\tBuckets with n entries:\n"); 297 dump_zap_histogram(zs.zs_buckets_with_n_entries); 298 } 299 300 /*ARGSUSED*/ 301 static void 302 dump_none(objset_t *os, uint64_t object, void *data, size_t size) 303 { 304 } 305 306 /*ARGSUSED*/ 307 static void 308 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 309 { 310 (void) printf("\tUNKNOWN OBJECT TYPE\n"); 311 } 312 313 /*ARGSUSED*/ 314 void 315 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 316 { 317 } 318 319 /*ARGSUSED*/ 320 static void 321 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 322 { 323 } 324 325 /*ARGSUSED*/ 326 static void 327 dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 328 { 329 zap_cursor_t zc; 330 zap_attribute_t attr; 331 void *prop; 332 int i; 333 334 dump_zap_stats(os, object); 335 (void) printf("\n"); 336 337 for (zap_cursor_init(&zc, os, object); 338 zap_cursor_retrieve(&zc, &attr) == 0; 339 zap_cursor_advance(&zc)) { 340 (void) printf("\t\t%s = ", attr.za_name); 341 if (attr.za_num_integers == 0) { 342 (void) printf("\n"); 343 continue; 344 } 345 prop = umem_zalloc(attr.za_num_integers * 346 attr.za_integer_length, UMEM_NOFAIL); 347 (void) zap_lookup(os, object, attr.za_name, 348 attr.za_integer_length, attr.za_num_integers, prop); 349 if (attr.za_integer_length == 1) { 350 (void) printf("%s", (char *)prop); 351 } else { 352 for (i = 0; i < attr.za_num_integers; i++) { 353 switch (attr.za_integer_length) { 354 case 2: 355 (void) printf("%u ", 356 ((uint16_t *)prop)[i]); 357 break; 358 case 4: 359 (void) printf("%u ", 360 ((uint32_t *)prop)[i]); 361 break; 362 case 8: 363 (void) printf("%lld ", 364 (u_longlong_t)((int64_t *)prop)[i]); 365 break; 366 } 367 } 368 } 369 (void) printf("\n"); 370 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 371 } 372 zap_cursor_fini(&zc); 373 } 374 375 /*ARGSUSED*/ 376 static void 377 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size) 378 { 379 dump_zap_stats(os, object); 380 /* contents are printed elsewhere, properly decoded */ 381 } 382 383 /*ARGSUSED*/ 384 static void 385 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size) 386 { 387 zap_cursor_t zc; 388 zap_attribute_t attr; 389 390 dump_zap_stats(os, object); 391 (void) printf("\n"); 392 393 for (zap_cursor_init(&zc, os, object); 394 zap_cursor_retrieve(&zc, &attr) == 0; 395 zap_cursor_advance(&zc)) { 396 (void) printf("\t\t%s = ", attr.za_name); 397 if (attr.za_num_integers == 0) { 398 (void) printf("\n"); 399 continue; 400 } 401 (void) printf(" %llx : [%d:%d:%d]\n", 402 (u_longlong_t)attr.za_first_integer, 403 (int)ATTR_LENGTH(attr.za_first_integer), 404 (int)ATTR_BSWAP(attr.za_first_integer), 405 (int)ATTR_NUM(attr.za_first_integer)); 406 } 407 zap_cursor_fini(&zc); 408 } 409 410 /*ARGSUSED*/ 411 static void 412 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size) 413 { 414 zap_cursor_t zc; 415 zap_attribute_t attr; 416 uint16_t *layout_attrs; 417 int i; 418 419 dump_zap_stats(os, object); 420 (void) printf("\n"); 421 422 for (zap_cursor_init(&zc, os, object); 423 zap_cursor_retrieve(&zc, &attr) == 0; 424 zap_cursor_advance(&zc)) { 425 (void) printf("\t\t%s = [", attr.za_name); 426 if (attr.za_num_integers == 0) { 427 (void) printf("\n"); 428 continue; 429 } 430 431 VERIFY(attr.za_integer_length == 2); 432 layout_attrs = umem_zalloc(attr.za_num_integers * 433 attr.za_integer_length, UMEM_NOFAIL); 434 435 VERIFY(zap_lookup(os, object, attr.za_name, 436 attr.za_integer_length, 437 attr.za_num_integers, layout_attrs) == 0); 438 439 for (i = 0; i != attr.za_num_integers; i++) 440 (void) printf(" %d ", (int)layout_attrs[i]); 441 (void) printf("]\n"); 442 umem_free(layout_attrs, 443 attr.za_num_integers * attr.za_integer_length); 444 } 445 zap_cursor_fini(&zc); 446 } 447 448 /*ARGSUSED*/ 449 static void 450 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 451 { 452 zap_cursor_t zc; 453 zap_attribute_t attr; 454 const char *typenames[] = { 455 /* 0 */ "not specified", 456 /* 1 */ "FIFO", 457 /* 2 */ "Character Device", 458 /* 3 */ "3 (invalid)", 459 /* 4 */ "Directory", 460 /* 5 */ "5 (invalid)", 461 /* 6 */ "Block Device", 462 /* 7 */ "7 (invalid)", 463 /* 8 */ "Regular File", 464 /* 9 */ "9 (invalid)", 465 /* 10 */ "Symbolic Link", 466 /* 11 */ "11 (invalid)", 467 /* 12 */ "Socket", 468 /* 13 */ "Door", 469 /* 14 */ "Event Port", 470 /* 15 */ "15 (invalid)", 471 }; 472 473 dump_zap_stats(os, object); 474 (void) printf("\n"); 475 476 for (zap_cursor_init(&zc, os, object); 477 zap_cursor_retrieve(&zc, &attr) == 0; 478 zap_cursor_advance(&zc)) { 479 (void) printf("\t\t%s = %lld (type: %s)\n", 480 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 481 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 482 } 483 zap_cursor_fini(&zc); 484 } 485 486 static void 487 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) 488 { 489 uint64_t alloc, offset, entry; 490 uint8_t mapshift = sm->sm_shift; 491 uint64_t mapstart = sm->sm_start; 492 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 493 "INVALID", "INVALID", "INVALID", "INVALID" }; 494 495 if (smo->smo_object == 0) 496 return; 497 498 /* 499 * Print out the freelist entries in both encoded and decoded form. 500 */ 501 alloc = 0; 502 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { 503 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset, 504 sizeof (entry), &entry, DMU_READ_PREFETCH)); 505 if (SM_DEBUG_DECODE(entry)) { 506 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 507 (u_longlong_t)(offset / sizeof (entry)), 508 ddata[SM_DEBUG_ACTION_DECODE(entry)], 509 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 510 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 511 } else { 512 (void) printf("\t [%6llu] %c range:" 513 " %010llx-%010llx size: %06llx\n", 514 (u_longlong_t)(offset / sizeof (entry)), 515 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 516 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 517 mapshift) + mapstart), 518 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 519 mapshift) + mapstart + (SM_RUN_DECODE(entry) << 520 mapshift)), 521 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 522 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 523 alloc += SM_RUN_DECODE(entry) << mapshift; 524 else 525 alloc -= SM_RUN_DECODE(entry) << mapshift; 526 } 527 } 528 if (alloc != smo->smo_alloc) { 529 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 530 "with space map summary (%llu)\n", 531 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); 532 } 533 } 534 535 static void 536 dump_metaslab_stats(metaslab_t *msp) 537 { 538 char maxbuf[32]; 539 space_map_t *sm = &msp->ms_map; 540 avl_tree_t *t = sm->sm_pp_root; 541 int free_pct = sm->sm_space * 100 / sm->sm_size; 542 543 zdb_nicenum(space_map_maxsize(sm), maxbuf); 544 545 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 546 "segments", avl_numnodes(t), "maxsize", maxbuf, 547 "freepct", free_pct); 548 } 549 550 static void 551 dump_metaslab(metaslab_t *msp) 552 { 553 vdev_t *vd = msp->ms_group->mg_vd; 554 spa_t *spa = vd->vdev_spa; 555 space_map_t *sm = &msp->ms_map; 556 space_map_obj_t *smo = &msp->ms_smo; 557 char freebuf[32]; 558 559 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf); 560 561 (void) printf( 562 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 563 (u_longlong_t)(sm->sm_start / sm->sm_size), 564 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf); 565 566 if (dump_opt['m'] > 1 && !dump_opt['L']) { 567 mutex_enter(&msp->ms_lock); 568 space_map_load_wait(sm); 569 if (!sm->sm_loaded) 570 VERIFY(space_map_load(sm, zfs_metaslab_ops, 571 SM_FREE, smo, spa->spa_meta_objset) == 0); 572 dump_metaslab_stats(msp); 573 space_map_unload(sm); 574 mutex_exit(&msp->ms_lock); 575 } 576 577 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { 578 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift)); 579 580 mutex_enter(&msp->ms_lock); 581 dump_spacemap(spa->spa_meta_objset, smo, sm); 582 mutex_exit(&msp->ms_lock); 583 } 584 } 585 586 static void 587 print_vdev_metaslab_header(vdev_t *vd) 588 { 589 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 590 (u_longlong_t)vd->vdev_id, 591 "metaslabs", (u_longlong_t)vd->vdev_ms_count, 592 "offset", "spacemap", "free"); 593 (void) printf("\t%15s %19s %15s %10s\n", 594 "---------------", "-------------------", 595 "---------------", "-------------"); 596 } 597 598 static void 599 dump_metaslabs(spa_t *spa) 600 { 601 vdev_t *vd, *rvd = spa->spa_root_vdev; 602 uint64_t m, c = 0, children = rvd->vdev_children; 603 604 (void) printf("\nMetaslabs:\n"); 605 606 if (!dump_opt['d'] && zopt_objects > 0) { 607 c = zopt_object[0]; 608 609 if (c >= children) 610 (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 611 612 if (zopt_objects > 1) { 613 vd = rvd->vdev_child[c]; 614 print_vdev_metaslab_header(vd); 615 616 for (m = 1; m < zopt_objects; m++) { 617 if (zopt_object[m] < vd->vdev_ms_count) 618 dump_metaslab( 619 vd->vdev_ms[zopt_object[m]]); 620 else 621 (void) fprintf(stderr, "bad metaslab " 622 "number %llu\n", 623 (u_longlong_t)zopt_object[m]); 624 } 625 (void) printf("\n"); 626 return; 627 } 628 children = c + 1; 629 } 630 for (; c < children; c++) { 631 vd = rvd->vdev_child[c]; 632 print_vdev_metaslab_header(vd); 633 634 for (m = 0; m < vd->vdev_ms_count; m++) 635 dump_metaslab(vd->vdev_ms[m]); 636 (void) printf("\n"); 637 } 638 } 639 640 static void 641 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index) 642 { 643 const ddt_phys_t *ddp = dde->dde_phys; 644 const ddt_key_t *ddk = &dde->dde_key; 645 char *types[4] = { "ditto", "single", "double", "triple" }; 646 char blkbuf[BP_SPRINTF_LEN]; 647 blkptr_t blk; 648 649 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 650 if (ddp->ddp_phys_birth == 0) 651 continue; 652 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); 653 sprintf_blkptr(blkbuf, &blk); 654 (void) printf("index %llx refcnt %llu %s %s\n", 655 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt, 656 types[p], blkbuf); 657 } 658 } 659 660 static void 661 dump_dedup_ratio(const ddt_stat_t *dds) 662 { 663 double rL, rP, rD, D, dedup, compress, copies; 664 665 if (dds->dds_blocks == 0) 666 return; 667 668 rL = (double)dds->dds_ref_lsize; 669 rP = (double)dds->dds_ref_psize; 670 rD = (double)dds->dds_ref_dsize; 671 D = (double)dds->dds_dsize; 672 673 dedup = rD / D; 674 compress = rL / rP; 675 copies = rD / rP; 676 677 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, " 678 "dedup * compress / copies = %.2f\n\n", 679 dedup, compress, copies, dedup * compress / copies); 680 } 681 682 static void 683 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class) 684 { 685 char name[DDT_NAMELEN]; 686 ddt_entry_t dde; 687 uint64_t walk = 0; 688 dmu_object_info_t doi; 689 uint64_t count, dspace, mspace; 690 int error; 691 692 error = ddt_object_info(ddt, type, class, &doi); 693 694 if (error == ENOENT) 695 return; 696 ASSERT(error == 0); 697 698 count = ddt_object_count(ddt, type, class); 699 dspace = doi.doi_physical_blocks_512 << 9; 700 mspace = doi.doi_fill_count * doi.doi_data_block_size; 701 702 ASSERT(count != 0); /* we should have destroyed it */ 703 704 ddt_object_name(ddt, type, class, name); 705 706 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n", 707 name, 708 (u_longlong_t)count, 709 (u_longlong_t)(dspace / count), 710 (u_longlong_t)(mspace / count)); 711 712 if (dump_opt['D'] < 3) 713 return; 714 715 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]); 716 717 if (dump_opt['D'] < 4) 718 return; 719 720 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE) 721 return; 722 723 (void) printf("%s contents:\n\n", name); 724 725 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0) 726 dump_dde(ddt, &dde, walk); 727 728 ASSERT(error == ENOENT); 729 730 (void) printf("\n"); 731 } 732 733 static void 734 dump_all_ddts(spa_t *spa) 735 { 736 ddt_histogram_t ddh_total = { 0 }; 737 ddt_stat_t dds_total = { 0 }; 738 739 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { 740 ddt_t *ddt = spa->spa_ddt[c]; 741 for (enum ddt_type type = 0; type < DDT_TYPES; type++) { 742 for (enum ddt_class class = 0; class < DDT_CLASSES; 743 class++) { 744 dump_ddt(ddt, type, class); 745 } 746 } 747 } 748 749 ddt_get_dedup_stats(spa, &dds_total); 750 751 if (dds_total.dds_blocks == 0) { 752 (void) printf("All DDTs are empty\n"); 753 return; 754 } 755 756 (void) printf("\n"); 757 758 if (dump_opt['D'] > 1) { 759 (void) printf("DDT histogram (aggregated over all DDTs):\n"); 760 ddt_get_dedup_histogram(spa, &ddh_total); 761 zpool_dump_ddt(&dds_total, &ddh_total); 762 } 763 764 dump_dedup_ratio(&dds_total); 765 } 766 767 static void 768 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size) 769 { 770 char *prefix = (void *)sm; 771 772 (void) printf("%s [%llu,%llu) length %llu\n", 773 prefix, 774 (u_longlong_t)start, 775 (u_longlong_t)(start + size), 776 (u_longlong_t)(size)); 777 } 778 779 static void 780 dump_dtl(vdev_t *vd, int indent) 781 { 782 spa_t *spa = vd->vdev_spa; 783 boolean_t required; 784 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 785 char prefix[256]; 786 787 spa_vdev_state_enter(spa, SCL_NONE); 788 required = vdev_dtl_required(vd); 789 (void) spa_vdev_state_exit(spa, NULL, 0); 790 791 if (indent == 0) 792 (void) printf("\nDirty time logs:\n\n"); 793 794 (void) printf("\t%*s%s [%s]\n", indent, "", 795 vd->vdev_path ? vd->vdev_path : 796 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 797 required ? "DTL-required" : "DTL-expendable"); 798 799 for (int t = 0; t < DTL_TYPES; t++) { 800 space_map_t *sm = &vd->vdev_dtl[t]; 801 if (sm->sm_space == 0) 802 continue; 803 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 804 indent + 2, "", name[t]); 805 mutex_enter(sm->sm_lock); 806 space_map_walk(sm, dump_dtl_seg, (void *)prefix); 807 mutex_exit(sm->sm_lock); 808 if (dump_opt['d'] > 5 && vd->vdev_children == 0) 809 dump_spacemap(spa->spa_meta_objset, 810 &vd->vdev_dtl_smo, sm); 811 } 812 813 for (int c = 0; c < vd->vdev_children; c++) 814 dump_dtl(vd->vdev_child[c], indent + 4); 815 } 816 817 static void 818 dump_history(spa_t *spa) 819 { 820 nvlist_t **events = NULL; 821 char buf[SPA_MAXBLOCKSIZE]; 822 uint64_t resid, len, off = 0; 823 uint_t num = 0; 824 int error; 825 time_t tsec; 826 struct tm t; 827 char tbuf[30]; 828 char internalstr[MAXPATHLEN]; 829 830 do { 831 len = sizeof (buf); 832 833 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 834 (void) fprintf(stderr, "Unable to read history: " 835 "error %d\n", error); 836 return; 837 } 838 839 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 840 break; 841 842 off -= resid; 843 } while (len != 0); 844 845 (void) printf("\nHistory:\n"); 846 for (int i = 0; i < num; i++) { 847 uint64_t time, txg, ievent; 848 char *cmd, *intstr; 849 850 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 851 &time) != 0) 852 continue; 853 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 854 &cmd) != 0) { 855 if (nvlist_lookup_uint64(events[i], 856 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 857 continue; 858 verify(nvlist_lookup_uint64(events[i], 859 ZPOOL_HIST_TXG, &txg) == 0); 860 verify(nvlist_lookup_string(events[i], 861 ZPOOL_HIST_INT_STR, &intstr) == 0); 862 if (ievent >= LOG_END) 863 continue; 864 865 (void) snprintf(internalstr, 866 sizeof (internalstr), 867 "[internal %s txg:%lld] %s", 868 zfs_history_event_names[ievent], txg, 869 intstr); 870 cmd = internalstr; 871 } 872 tsec = time; 873 (void) localtime_r(&tsec, &t); 874 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 875 (void) printf("%s %s\n", tbuf, cmd); 876 } 877 } 878 879 /*ARGSUSED*/ 880 static void 881 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 882 { 883 } 884 885 static uint64_t 886 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb) 887 { 888 if (dnp == NULL) { 889 ASSERT(zb->zb_level < 0); 890 if (zb->zb_object == 0) 891 return (zb->zb_blkid); 892 return (zb->zb_blkid * BP_GET_LSIZE(bp)); 893 } 894 895 ASSERT(zb->zb_level >= 0); 896 897 return ((zb->zb_blkid << 898 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 899 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 900 } 901 902 static void 903 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp) 904 { 905 const dva_t *dva = bp->blk_dva; 906 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1; 907 908 if (dump_opt['b'] >= 5) { 909 sprintf_blkptr(blkbuf, bp); 910 return; 911 } 912 913 blkbuf[0] = '\0'; 914 915 for (int i = 0; i < ndvas; i++) 916 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ", 917 (u_longlong_t)DVA_GET_VDEV(&dva[i]), 918 (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 919 (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 920 921 (void) sprintf(blkbuf + strlen(blkbuf), 922 "%llxL/%llxP F=%llu B=%llu/%llu", 923 (u_longlong_t)BP_GET_LSIZE(bp), 924 (u_longlong_t)BP_GET_PSIZE(bp), 925 (u_longlong_t)bp->blk_fill, 926 (u_longlong_t)bp->blk_birth, 927 (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); 928 } 929 930 static void 931 print_indirect(blkptr_t *bp, const zbookmark_t *zb, 932 const dnode_phys_t *dnp) 933 { 934 char blkbuf[BP_SPRINTF_LEN]; 935 int l; 936 937 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 938 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 939 940 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb)); 941 942 ASSERT(zb->zb_level >= 0); 943 944 for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 945 if (l == zb->zb_level) { 946 (void) printf("L%llx", (u_longlong_t)zb->zb_level); 947 } else { 948 (void) printf(" "); 949 } 950 } 951 952 sprintf_blkptr_compact(blkbuf, bp); 953 (void) printf("%s\n", blkbuf); 954 } 955 956 static int 957 visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 958 blkptr_t *bp, const zbookmark_t *zb) 959 { 960 int err = 0; 961 962 if (bp->blk_birth == 0) 963 return (0); 964 965 print_indirect(bp, zb, dnp); 966 967 if (BP_GET_LEVEL(bp) > 0) { 968 uint32_t flags = ARC_WAIT; 969 int i; 970 blkptr_t *cbp; 971 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 972 arc_buf_t *buf; 973 uint64_t fill = 0; 974 975 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf, 976 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 977 if (err) 978 return (err); 979 ASSERT(buf->b_data); 980 981 /* recursively visit blocks below this */ 982 cbp = buf->b_data; 983 for (i = 0; i < epb; i++, cbp++) { 984 zbookmark_t czb; 985 986 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 987 zb->zb_level - 1, 988 zb->zb_blkid * epb + i); 989 err = visit_indirect(spa, dnp, cbp, &czb); 990 if (err) 991 break; 992 fill += cbp->blk_fill; 993 } 994 if (!err) 995 ASSERT3U(fill, ==, bp->blk_fill); 996 (void) arc_buf_remove_ref(buf, &buf); 997 } 998 999 return (err); 1000 } 1001 1002 /*ARGSUSED*/ 1003 static void 1004 dump_indirect(dnode_t *dn) 1005 { 1006 dnode_phys_t *dnp = dn->dn_phys; 1007 int j; 1008 zbookmark_t czb; 1009 1010 (void) printf("Indirect blocks:\n"); 1011 1012 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 1013 dn->dn_object, dnp->dn_nlevels - 1, 0); 1014 for (j = 0; j < dnp->dn_nblkptr; j++) { 1015 czb.zb_blkid = j; 1016 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 1017 &dnp->dn_blkptr[j], &czb); 1018 } 1019 1020 (void) printf("\n"); 1021 } 1022 1023 /*ARGSUSED*/ 1024 static void 1025 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 1026 { 1027 dsl_dir_phys_t *dd = data; 1028 time_t crtime; 1029 char nice[32]; 1030 1031 if (dd == NULL) 1032 return; 1033 1034 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 1035 1036 crtime = dd->dd_creation_time; 1037 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1038 (void) printf("\t\thead_dataset_obj = %llu\n", 1039 (u_longlong_t)dd->dd_head_dataset_obj); 1040 (void) printf("\t\tparent_dir_obj = %llu\n", 1041 (u_longlong_t)dd->dd_parent_obj); 1042 (void) printf("\t\torigin_obj = %llu\n", 1043 (u_longlong_t)dd->dd_origin_obj); 1044 (void) printf("\t\tchild_dir_zapobj = %llu\n", 1045 (u_longlong_t)dd->dd_child_dir_zapobj); 1046 zdb_nicenum(dd->dd_used_bytes, nice); 1047 (void) printf("\t\tused_bytes = %s\n", nice); 1048 zdb_nicenum(dd->dd_compressed_bytes, nice); 1049 (void) printf("\t\tcompressed_bytes = %s\n", nice); 1050 zdb_nicenum(dd->dd_uncompressed_bytes, nice); 1051 (void) printf("\t\tuncompressed_bytes = %s\n", nice); 1052 zdb_nicenum(dd->dd_quota, nice); 1053 (void) printf("\t\tquota = %s\n", nice); 1054 zdb_nicenum(dd->dd_reserved, nice); 1055 (void) printf("\t\treserved = %s\n", nice); 1056 (void) printf("\t\tprops_zapobj = %llu\n", 1057 (u_longlong_t)dd->dd_props_zapobj); 1058 (void) printf("\t\tdeleg_zapobj = %llu\n", 1059 (u_longlong_t)dd->dd_deleg_zapobj); 1060 (void) printf("\t\tflags = %llx\n", 1061 (u_longlong_t)dd->dd_flags); 1062 1063 #define DO(which) \ 1064 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 1065 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 1066 DO(HEAD); 1067 DO(SNAP); 1068 DO(CHILD); 1069 DO(CHILD_RSRV); 1070 DO(REFRSRV); 1071 #undef DO 1072 } 1073 1074 /*ARGSUSED*/ 1075 static void 1076 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 1077 { 1078 dsl_dataset_phys_t *ds = data; 1079 time_t crtime; 1080 char used[32], compressed[32], uncompressed[32], unique[32]; 1081 char blkbuf[BP_SPRINTF_LEN]; 1082 1083 if (ds == NULL) 1084 return; 1085 1086 ASSERT(size == sizeof (*ds)); 1087 crtime = ds->ds_creation_time; 1088 zdb_nicenum(ds->ds_used_bytes, used); 1089 zdb_nicenum(ds->ds_compressed_bytes, compressed); 1090 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed); 1091 zdb_nicenum(ds->ds_unique_bytes, unique); 1092 sprintf_blkptr(blkbuf, &ds->ds_bp); 1093 1094 (void) printf("\t\tdir_obj = %llu\n", 1095 (u_longlong_t)ds->ds_dir_obj); 1096 (void) printf("\t\tprev_snap_obj = %llu\n", 1097 (u_longlong_t)ds->ds_prev_snap_obj); 1098 (void) printf("\t\tprev_snap_txg = %llu\n", 1099 (u_longlong_t)ds->ds_prev_snap_txg); 1100 (void) printf("\t\tnext_snap_obj = %llu\n", 1101 (u_longlong_t)ds->ds_next_snap_obj); 1102 (void) printf("\t\tsnapnames_zapobj = %llu\n", 1103 (u_longlong_t)ds->ds_snapnames_zapobj); 1104 (void) printf("\t\tnum_children = %llu\n", 1105 (u_longlong_t)ds->ds_num_children); 1106 (void) printf("\t\tuserrefs_obj = %llu\n", 1107 (u_longlong_t)ds->ds_userrefs_obj); 1108 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1109 (void) printf("\t\tcreation_txg = %llu\n", 1110 (u_longlong_t)ds->ds_creation_txg); 1111 (void) printf("\t\tdeadlist_obj = %llu\n", 1112 (u_longlong_t)ds->ds_deadlist_obj); 1113 (void) printf("\t\tused_bytes = %s\n", used); 1114 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 1115 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 1116 (void) printf("\t\tunique = %s\n", unique); 1117 (void) printf("\t\tfsid_guid = %llu\n", 1118 (u_longlong_t)ds->ds_fsid_guid); 1119 (void) printf("\t\tguid = %llu\n", 1120 (u_longlong_t)ds->ds_guid); 1121 (void) printf("\t\tflags = %llx\n", 1122 (u_longlong_t)ds->ds_flags); 1123 (void) printf("\t\tnext_clones_obj = %llu\n", 1124 (u_longlong_t)ds->ds_next_clones_obj); 1125 (void) printf("\t\tprops_obj = %llu\n", 1126 (u_longlong_t)ds->ds_props_obj); 1127 (void) printf("\t\tbp = %s\n", blkbuf); 1128 } 1129 1130 /* ARGSUSED */ 1131 static int 1132 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1133 { 1134 char blkbuf[BP_SPRINTF_LEN]; 1135 1136 ASSERT(bp->blk_birth != 0); 1137 sprintf_blkptr_compact(blkbuf, bp); 1138 (void) printf("\t%s\n", blkbuf); 1139 return (0); 1140 } 1141 1142 static void 1143 dump_bpobj(bpobj_t *bpo, char *name) 1144 { 1145 char bytes[32]; 1146 char comp[32]; 1147 char uncomp[32]; 1148 1149 if (dump_opt['d'] < 3) 1150 return; 1151 1152 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes); 1153 if (bpo->bpo_havesubobj) { 1154 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp); 1155 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp); 1156 (void) printf("\n %s: %llu local blkptrs, %llu subobjs, " 1157 "%s (%s/%s comp)\n", 1158 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1159 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs, 1160 bytes, comp, uncomp); 1161 } else { 1162 (void) printf("\n %s: %llu blkptrs, %s\n", 1163 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, bytes); 1164 } 1165 1166 if (dump_opt['d'] < 5) 1167 return; 1168 1169 (void) printf("\n"); 1170 1171 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL); 1172 } 1173 1174 static void 1175 dump_deadlist(dsl_deadlist_t *dl) 1176 { 1177 dsl_deadlist_entry_t *dle; 1178 char bytes[32]; 1179 char comp[32]; 1180 char uncomp[32]; 1181 1182 if (dump_opt['d'] < 3) 1183 return; 1184 1185 zdb_nicenum(dl->dl_phys->dl_used, bytes); 1186 zdb_nicenum(dl->dl_phys->dl_comp, comp); 1187 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp); 1188 (void) printf("\n Deadlist: %s (%s/%s comp)\n", 1189 bytes, comp, uncomp); 1190 1191 if (dump_opt['d'] < 4) 1192 return; 1193 1194 (void) printf("\n"); 1195 1196 for (dle = avl_first(&dl->dl_tree); dle; 1197 dle = AVL_NEXT(&dl->dl_tree, dle)) { 1198 (void) printf(" mintxg %llu -> obj %llu\n", 1199 (longlong_t)dle->dle_mintxg, 1200 (longlong_t)dle->dle_bpobj.bpo_object); 1201 1202 if (dump_opt['d'] >= 5) 1203 dump_bpobj(&dle->dle_bpobj, ""); 1204 } 1205 } 1206 1207 static avl_tree_t idx_tree; 1208 static avl_tree_t domain_tree; 1209 static boolean_t fuid_table_loaded; 1210 static boolean_t sa_loaded; 1211 sa_attr_type_t *sa_attr_table; 1212 1213 static void 1214 fuid_table_destroy() 1215 { 1216 if (fuid_table_loaded) { 1217 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 1218 fuid_table_loaded = B_FALSE; 1219 } 1220 } 1221 1222 /* 1223 * print uid or gid information. 1224 * For normal POSIX id just the id is printed in decimal format. 1225 * For CIFS files with FUID the fuid is printed in hex followed by 1226 * the doman-rid string. 1227 */ 1228 static void 1229 print_idstr(uint64_t id, const char *id_type) 1230 { 1231 if (FUID_INDEX(id)) { 1232 char *domain; 1233 1234 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 1235 (void) printf("\t%s %llx [%s-%d]\n", id_type, 1236 (u_longlong_t)id, domain, (int)FUID_RID(id)); 1237 } else { 1238 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 1239 } 1240 1241 } 1242 1243 static void 1244 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid) 1245 { 1246 uint32_t uid_idx, gid_idx; 1247 1248 uid_idx = FUID_INDEX(uid); 1249 gid_idx = FUID_INDEX(gid); 1250 1251 /* Load domain table, if not already loaded */ 1252 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 1253 uint64_t fuid_obj; 1254 1255 /* first find the fuid object. It lives in the master node */ 1256 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1257 8, 1, &fuid_obj) == 0); 1258 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1259 (void) zfs_fuid_table_load(os, fuid_obj, 1260 &idx_tree, &domain_tree); 1261 fuid_table_loaded = B_TRUE; 1262 } 1263 1264 print_idstr(uid, "uid"); 1265 print_idstr(gid, "gid"); 1266 } 1267 1268 /*ARGSUSED*/ 1269 static void 1270 dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1271 { 1272 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 1273 sa_handle_t *hdl; 1274 uint64_t xattr, rdev, gen; 1275 uint64_t uid, gid, mode, fsize, parent, links; 1276 uint64_t pflags; 1277 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2]; 1278 time_t z_crtime, z_atime, z_mtime, z_ctime; 1279 sa_bulk_attr_t bulk[12]; 1280 int idx = 0; 1281 int error; 1282 1283 if (!sa_loaded) { 1284 uint64_t sa_attrs = 0; 1285 uint64_t version; 1286 1287 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR, 1288 8, 1, &version) == 0); 1289 if (version >= ZPL_VERSION_SA) { 1290 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 1291 8, 1, &sa_attrs) == 0); 1292 } 1293 if ((error = sa_setup(os, sa_attrs, zfs_attr_table, 1294 ZPL_END, &sa_attr_table)) != 0) { 1295 (void) printf("sa_setup failed errno %d, can't " 1296 "display znode contents\n", error); 1297 return; 1298 } 1299 sa_loaded = B_TRUE; 1300 } 1301 1302 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) { 1303 (void) printf("Failed to get handle for SA znode\n"); 1304 return; 1305 } 1306 1307 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8); 1308 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8); 1309 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL, 1310 &links, 8); 1311 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8); 1312 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL, 1313 &mode, 8); 1314 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT], 1315 NULL, &parent, 8); 1316 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL, 1317 &fsize, 8); 1318 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL, 1319 acctm, 16); 1320 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL, 1321 modtm, 16); 1322 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL, 1323 crtm, 16); 1324 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL, 1325 chgtm, 16); 1326 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL, 1327 &pflags, 8); 1328 1329 if (sa_bulk_lookup(hdl, bulk, idx)) { 1330 (void) sa_handle_destroy(hdl); 1331 return; 1332 } 1333 1334 error = zfs_obj_to_path(os, object, path, sizeof (path)); 1335 if (error != 0) { 1336 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 1337 (u_longlong_t)object); 1338 } 1339 if (dump_opt['d'] < 3) { 1340 (void) printf("\t%s\n", path); 1341 (void) sa_handle_destroy(hdl); 1342 return; 1343 } 1344 1345 z_crtime = (time_t)crtm[0]; 1346 z_atime = (time_t)acctm[0]; 1347 z_mtime = (time_t)modtm[0]; 1348 z_ctime = (time_t)chgtm[0]; 1349 1350 (void) printf("\tpath %s\n", path); 1351 dump_uidgid(os, uid, gid); 1352 (void) printf("\tatime %s", ctime(&z_atime)); 1353 (void) printf("\tmtime %s", ctime(&z_mtime)); 1354 (void) printf("\tctime %s", ctime(&z_ctime)); 1355 (void) printf("\tcrtime %s", ctime(&z_crtime)); 1356 (void) printf("\tgen %llu\n", (u_longlong_t)gen); 1357 (void) printf("\tmode %llo\n", (u_longlong_t)mode); 1358 (void) printf("\tsize %llu\n", (u_longlong_t)fsize); 1359 (void) printf("\tparent %llu\n", (u_longlong_t)parent); 1360 (void) printf("\tlinks %llu\n", (u_longlong_t)links); 1361 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags); 1362 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr, 1363 sizeof (uint64_t)) == 0) 1364 (void) printf("\txattr %llu\n", (u_longlong_t)xattr); 1365 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev, 1366 sizeof (uint64_t)) == 0) 1367 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev); 1368 sa_handle_destroy(hdl); 1369 } 1370 1371 /*ARGSUSED*/ 1372 static void 1373 dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1374 { 1375 } 1376 1377 /*ARGSUSED*/ 1378 static void 1379 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1380 { 1381 } 1382 1383 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1384 dump_none, /* unallocated */ 1385 dump_zap, /* object directory */ 1386 dump_uint64, /* object array */ 1387 dump_none, /* packed nvlist */ 1388 dump_packed_nvlist, /* packed nvlist size */ 1389 dump_none, /* bplist */ 1390 dump_none, /* bplist header */ 1391 dump_none, /* SPA space map header */ 1392 dump_none, /* SPA space map */ 1393 dump_none, /* ZIL intent log */ 1394 dump_dnode, /* DMU dnode */ 1395 dump_dmu_objset, /* DMU objset */ 1396 dump_dsl_dir, /* DSL directory */ 1397 dump_zap, /* DSL directory child map */ 1398 dump_zap, /* DSL dataset snap map */ 1399 dump_zap, /* DSL props */ 1400 dump_dsl_dataset, /* DSL dataset */ 1401 dump_znode, /* ZFS znode */ 1402 dump_acl, /* ZFS V0 ACL */ 1403 dump_uint8, /* ZFS plain file */ 1404 dump_zpldir, /* ZFS directory */ 1405 dump_zap, /* ZFS master node */ 1406 dump_zap, /* ZFS delete queue */ 1407 dump_uint8, /* zvol object */ 1408 dump_zap, /* zvol prop */ 1409 dump_uint8, /* other uint8[] */ 1410 dump_uint64, /* other uint64[] */ 1411 dump_zap, /* other ZAP */ 1412 dump_zap, /* persistent error log */ 1413 dump_uint8, /* SPA history */ 1414 dump_uint64, /* SPA history offsets */ 1415 dump_zap, /* Pool properties */ 1416 dump_zap, /* DSL permissions */ 1417 dump_acl, /* ZFS ACL */ 1418 dump_uint8, /* ZFS SYSACL */ 1419 dump_none, /* FUID nvlist */ 1420 dump_packed_nvlist, /* FUID nvlist size */ 1421 dump_zap, /* DSL dataset next clones */ 1422 dump_zap, /* DSL scrub queue */ 1423 dump_zap, /* ZFS user/group used */ 1424 dump_zap, /* ZFS user/group quota */ 1425 dump_zap, /* snapshot refcount tags */ 1426 dump_ddt_zap, /* DDT ZAP object */ 1427 dump_zap, /* DDT statistics */ 1428 dump_znode, /* SA object */ 1429 dump_zap, /* SA Master Node */ 1430 dump_sa_attrs, /* SA attribute registration */ 1431 dump_sa_layouts, /* SA attribute layouts */ 1432 dump_zap, /* DSL scrub translations */ 1433 dump_none, /* fake dedup BP */ 1434 dump_zap, /* deadlist */ 1435 dump_none, /* deadlist hdr */ 1436 dump_zap, /* dsl clones */ 1437 dump_none, /* bpobj subobjs */ 1438 dump_unknown, /* Unknown type, must be last */ 1439 }; 1440 1441 static void 1442 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1443 { 1444 dmu_buf_t *db = NULL; 1445 dmu_object_info_t doi; 1446 dnode_t *dn; 1447 void *bonus = NULL; 1448 size_t bsize = 0; 1449 char iblk[32], dblk[32], lsize[32], asize[32], fill[32]; 1450 char bonus_size[32]; 1451 char aux[50]; 1452 int error; 1453 1454 if (*print_header) { 1455 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n", 1456 "Object", "lvl", "iblk", "dblk", "dsize", "lsize", 1457 "%full", "type"); 1458 *print_header = 0; 1459 } 1460 1461 if (object == 0) { 1462 dn = os->os_meta_dnode; 1463 } else { 1464 error = dmu_bonus_hold(os, object, FTAG, &db); 1465 if (error) 1466 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1467 object, error); 1468 bonus = db->db_data; 1469 bsize = db->db_size; 1470 dn = ((dmu_buf_impl_t *)db)->db_dnode; 1471 } 1472 dmu_object_info_from_dnode(dn, &doi); 1473 1474 zdb_nicenum(doi.doi_metadata_block_size, iblk); 1475 zdb_nicenum(doi.doi_data_block_size, dblk); 1476 zdb_nicenum(doi.doi_max_offset, lsize); 1477 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize); 1478 zdb_nicenum(doi.doi_bonus_size, bonus_size); 1479 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count * 1480 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) / 1481 doi.doi_max_offset); 1482 1483 aux[0] = '\0'; 1484 1485 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1486 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1487 ZDB_CHECKSUM_NAME(doi.doi_checksum)); 1488 } 1489 1490 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1491 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1492 ZDB_COMPRESS_NAME(doi.doi_compress)); 1493 } 1494 1495 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n", 1496 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, 1497 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux); 1498 1499 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1500 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n", 1501 "", "", "", "", "", bonus_size, "bonus", 1502 ZDB_OT_NAME(doi.doi_bonus_type)); 1503 } 1504 1505 if (verbosity >= 4) { 1506 (void) printf("\tdnode flags: %s%s%s\n", 1507 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1508 "USED_BYTES " : "", 1509 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1510 "USERUSED_ACCOUNTED " : "", 1511 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ? 1512 "SPILL_BLKPTR" : ""); 1513 (void) printf("\tdnode maxblkid: %llu\n", 1514 (longlong_t)dn->dn_phys->dn_maxblkid); 1515 1516 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 1517 bonus, bsize); 1518 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 1519 *print_header = 1; 1520 } 1521 1522 if (verbosity >= 5) 1523 dump_indirect(dn); 1524 1525 if (verbosity >= 5) { 1526 /* 1527 * Report the list of segments that comprise the object. 1528 */ 1529 uint64_t start = 0; 1530 uint64_t end; 1531 uint64_t blkfill = 1; 1532 int minlvl = 1; 1533 1534 if (dn->dn_type == DMU_OT_DNODE) { 1535 minlvl = 0; 1536 blkfill = DNODES_PER_BLOCK; 1537 } 1538 1539 for (;;) { 1540 char segsize[32]; 1541 error = dnode_next_offset(dn, 1542 0, &start, minlvl, blkfill, 0); 1543 if (error) 1544 break; 1545 end = start; 1546 error = dnode_next_offset(dn, 1547 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1548 zdb_nicenum(end - start, segsize); 1549 (void) printf("\t\tsegment [%016llx, %016llx)" 1550 " size %5s\n", (u_longlong_t)start, 1551 (u_longlong_t)end, segsize); 1552 if (error) 1553 break; 1554 start = end; 1555 } 1556 } 1557 1558 if (db != NULL) 1559 dmu_buf_rele(db, FTAG); 1560 } 1561 1562 static char *objset_types[DMU_OST_NUMTYPES] = { 1563 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1564 1565 static void 1566 dump_dir(objset_t *os) 1567 { 1568 dmu_objset_stats_t dds; 1569 uint64_t object, object_count; 1570 uint64_t refdbytes, usedobjs, scratch; 1571 char numbuf[32]; 1572 char blkbuf[BP_SPRINTF_LEN + 20]; 1573 char osname[MAXNAMELEN]; 1574 char *type = "UNKNOWN"; 1575 int verbosity = dump_opt['d']; 1576 int print_header = 1; 1577 int i, error; 1578 1579 dmu_objset_fast_stat(os, &dds); 1580 1581 if (dds.dds_type < DMU_OST_NUMTYPES) 1582 type = objset_types[dds.dds_type]; 1583 1584 if (dds.dds_type == DMU_OST_META) { 1585 dds.dds_creation_txg = TXG_INITIAL; 1586 usedobjs = os->os_rootbp->blk_fill; 1587 refdbytes = os->os_spa->spa_dsl_pool-> 1588 dp_mos_dir->dd_phys->dd_used_bytes; 1589 } else { 1590 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1591 } 1592 1593 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill); 1594 1595 zdb_nicenum(refdbytes, numbuf); 1596 1597 if (verbosity >= 4) { 1598 (void) sprintf(blkbuf, ", rootbp "); 1599 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp); 1600 } else { 1601 blkbuf[0] = '\0'; 1602 } 1603 1604 dmu_objset_name(os, osname); 1605 1606 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1607 "%s, %llu objects%s\n", 1608 osname, type, (u_longlong_t)dmu_objset_id(os), 1609 (u_longlong_t)dds.dds_creation_txg, 1610 numbuf, (u_longlong_t)usedobjs, blkbuf); 1611 1612 if (zopt_objects != 0) { 1613 for (i = 0; i < zopt_objects; i++) 1614 dump_object(os, zopt_object[i], verbosity, 1615 &print_header); 1616 (void) printf("\n"); 1617 return; 1618 } 1619 1620 if (dump_opt['i'] != 0 || verbosity >= 2) 1621 dump_intent_log(dmu_objset_zil(os)); 1622 1623 if (dmu_objset_ds(os) != NULL) 1624 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist); 1625 1626 if (verbosity < 2) 1627 return; 1628 1629 if (os->os_rootbp->blk_birth == 0) 1630 return; 1631 1632 dump_object(os, 0, verbosity, &print_header); 1633 object_count = 0; 1634 if (os->os_userused_dnode && 1635 os->os_userused_dnode->dn_type != 0) { 1636 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1637 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1638 } 1639 1640 object = 0; 1641 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1642 dump_object(os, object, verbosity, &print_header); 1643 object_count++; 1644 } 1645 1646 ASSERT3U(object_count, ==, usedobjs); 1647 1648 (void) printf("\n"); 1649 1650 if (error != ESRCH) { 1651 (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1652 abort(); 1653 } 1654 } 1655 1656 static void 1657 dump_uberblock(uberblock_t *ub, const char *header, const char *footer) 1658 { 1659 time_t timestamp = ub->ub_timestamp; 1660 1661 (void) printf(header ? header : ""); 1662 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1663 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1664 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1665 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1666 (void) printf("\ttimestamp = %llu UTC = %s", 1667 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1668 if (dump_opt['u'] >= 3) { 1669 char blkbuf[BP_SPRINTF_LEN]; 1670 sprintf_blkptr(blkbuf, &ub->ub_rootbp); 1671 (void) printf("\trootbp = %s\n", blkbuf); 1672 } 1673 (void) printf(footer ? footer : ""); 1674 } 1675 1676 static void 1677 dump_config(spa_t *spa) 1678 { 1679 dmu_buf_t *db; 1680 size_t nvsize = 0; 1681 int error = 0; 1682 1683 1684 error = dmu_bonus_hold(spa->spa_meta_objset, 1685 spa->spa_config_object, FTAG, &db); 1686 1687 if (error == 0) { 1688 nvsize = *(uint64_t *)db->db_data; 1689 dmu_buf_rele(db, FTAG); 1690 1691 (void) printf("\nMOS Configuration:\n"); 1692 dump_packed_nvlist(spa->spa_meta_objset, 1693 spa->spa_config_object, (void *)&nvsize, 1); 1694 } else { 1695 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 1696 (u_longlong_t)spa->spa_config_object, error); 1697 } 1698 } 1699 1700 static void 1701 dump_cachefile(const char *cachefile) 1702 { 1703 int fd; 1704 struct stat64 statbuf; 1705 char *buf; 1706 nvlist_t *config; 1707 1708 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1709 (void) printf("cannot open '%s': %s\n", cachefile, 1710 strerror(errno)); 1711 exit(1); 1712 } 1713 1714 if (fstat64(fd, &statbuf) != 0) { 1715 (void) printf("failed to stat '%s': %s\n", cachefile, 1716 strerror(errno)); 1717 exit(1); 1718 } 1719 1720 if ((buf = malloc(statbuf.st_size)) == NULL) { 1721 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1722 (u_longlong_t)statbuf.st_size); 1723 exit(1); 1724 } 1725 1726 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 1727 (void) fprintf(stderr, "failed to read %llu bytes\n", 1728 (u_longlong_t)statbuf.st_size); 1729 exit(1); 1730 } 1731 1732 (void) close(fd); 1733 1734 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 1735 (void) fprintf(stderr, "failed to unpack nvlist\n"); 1736 exit(1); 1737 } 1738 1739 free(buf); 1740 1741 dump_nvlist(config, 0); 1742 1743 nvlist_free(config); 1744 } 1745 1746 #define ZDB_MAX_UB_HEADER_SIZE 32 1747 1748 static void 1749 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift) 1750 { 1751 vdev_t vd; 1752 vdev_t *vdp = &vd; 1753 char header[ZDB_MAX_UB_HEADER_SIZE]; 1754 1755 vd.vdev_ashift = ashift; 1756 vdp->vdev_top = vdp; 1757 1758 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) { 1759 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i); 1760 uberblock_t *ub = (void *)((char *)lbl + uoff); 1761 1762 if (uberblock_verify(ub)) 1763 continue; 1764 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE, 1765 "Uberblock[%d]\n", i); 1766 dump_uberblock(ub, header, ""); 1767 } 1768 } 1769 1770 static void 1771 dump_label(const char *dev) 1772 { 1773 int fd; 1774 vdev_label_t label; 1775 char *path, *buf = label.vl_vdev_phys.vp_nvlist; 1776 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 1777 struct stat64 statbuf; 1778 uint64_t psize, ashift; 1779 int len = strlen(dev) + 1; 1780 1781 if (strncmp(dev, "/dev/dsk/", 9) == 0) { 1782 len++; 1783 path = malloc(len); 1784 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9); 1785 } else { 1786 path = strdup(dev); 1787 } 1788 1789 if ((fd = open64(path, O_RDONLY)) < 0) { 1790 (void) printf("cannot open '%s': %s\n", path, strerror(errno)); 1791 free(path); 1792 exit(1); 1793 } 1794 1795 if (fstat64(fd, &statbuf) != 0) { 1796 (void) printf("failed to stat '%s': %s\n", path, 1797 strerror(errno)); 1798 free(path); 1799 (void) close(fd); 1800 exit(1); 1801 } 1802 1803 if (S_ISBLK(statbuf.st_mode)) { 1804 (void) printf("cannot use '%s': character device required\n", 1805 path); 1806 free(path); 1807 (void) close(fd); 1808 exit(1); 1809 } 1810 1811 psize = statbuf.st_size; 1812 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 1813 1814 for (int l = 0; l < VDEV_LABELS; l++) { 1815 nvlist_t *config = NULL; 1816 1817 (void) printf("--------------------------------------------\n"); 1818 (void) printf("LABEL %d\n", l); 1819 (void) printf("--------------------------------------------\n"); 1820 1821 if (pread64(fd, &label, sizeof (label), 1822 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 1823 (void) printf("failed to read label %d\n", l); 1824 continue; 1825 } 1826 1827 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 1828 (void) printf("failed to unpack label %d\n", l); 1829 ashift = SPA_MINBLOCKSHIFT; 1830 } else { 1831 nvlist_t *vdev_tree = NULL; 1832 1833 dump_nvlist(config, 4); 1834 if ((nvlist_lookup_nvlist(config, 1835 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) || 1836 (nvlist_lookup_uint64(vdev_tree, 1837 ZPOOL_CONFIG_ASHIFT, &ashift) != 0)) 1838 ashift = SPA_MINBLOCKSHIFT; 1839 nvlist_free(config); 1840 } 1841 if (dump_opt['u']) 1842 dump_label_uberblocks(&label, ashift); 1843 } 1844 1845 free(path); 1846 (void) close(fd); 1847 } 1848 1849 /*ARGSUSED*/ 1850 static int 1851 dump_one_dir(const char *dsname, void *arg) 1852 { 1853 int error; 1854 objset_t *os; 1855 1856 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 1857 if (error) { 1858 (void) printf("Could not open %s, error %d\n", dsname, error); 1859 return (0); 1860 } 1861 dump_dir(os); 1862 dmu_objset_disown(os, FTAG); 1863 fuid_table_destroy(); 1864 sa_loaded = B_FALSE; 1865 return (0); 1866 } 1867 1868 /* 1869 * Block statistics. 1870 */ 1871 typedef struct zdb_blkstats { 1872 uint64_t zb_asize; 1873 uint64_t zb_lsize; 1874 uint64_t zb_psize; 1875 uint64_t zb_count; 1876 } zdb_blkstats_t; 1877 1878 /* 1879 * Extended object types to report deferred frees and dedup auto-ditto blocks. 1880 */ 1881 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0) 1882 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1) 1883 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 2) 1884 1885 static char *zdb_ot_extname[] = { 1886 "deferred free", 1887 "dedup ditto", 1888 "Total", 1889 }; 1890 1891 #define ZB_TOTAL DN_MAX_LEVELS 1892 1893 typedef struct zdb_cb { 1894 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1]; 1895 uint64_t zcb_dedup_asize; 1896 uint64_t zcb_dedup_blocks; 1897 uint64_t zcb_errors[256]; 1898 int zcb_readfails; 1899 int zcb_haderrors; 1900 spa_t *zcb_spa; 1901 } zdb_cb_t; 1902 1903 static void 1904 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp, 1905 dmu_object_type_t type) 1906 { 1907 uint64_t refcnt = 0; 1908 1909 ASSERT(type < ZDB_OT_TOTAL); 1910 1911 if (zilog && zil_bp_tree_add(zilog, bp) != 0) 1912 return; 1913 1914 for (int i = 0; i < 4; i++) { 1915 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 1916 int t = (i & 1) ? type : ZDB_OT_TOTAL; 1917 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 1918 1919 zb->zb_asize += BP_GET_ASIZE(bp); 1920 zb->zb_lsize += BP_GET_LSIZE(bp); 1921 zb->zb_psize += BP_GET_PSIZE(bp); 1922 zb->zb_count++; 1923 } 1924 1925 if (dump_opt['L']) 1926 return; 1927 1928 if (BP_GET_DEDUP(bp)) { 1929 ddt_t *ddt; 1930 ddt_entry_t *dde; 1931 1932 ddt = ddt_select(zcb->zcb_spa, bp); 1933 ddt_enter(ddt); 1934 dde = ddt_lookup(ddt, bp, B_FALSE); 1935 1936 if (dde == NULL) { 1937 refcnt = 0; 1938 } else { 1939 ddt_phys_t *ddp = ddt_phys_select(dde, bp); 1940 ddt_phys_decref(ddp); 1941 refcnt = ddp->ddp_refcnt; 1942 if (ddt_phys_total_refcnt(dde) == 0) 1943 ddt_remove(ddt, dde); 1944 } 1945 ddt_exit(ddt); 1946 } 1947 1948 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa, 1949 refcnt ? 0 : spa_first_txg(zcb->zcb_spa), 1950 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0); 1951 } 1952 1953 /* ARGSUSED */ 1954 static int 1955 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf, 1956 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 1957 { 1958 zdb_cb_t *zcb = arg; 1959 char blkbuf[BP_SPRINTF_LEN]; 1960 dmu_object_type_t type; 1961 boolean_t is_metadata; 1962 1963 if (bp == NULL) 1964 return (0); 1965 1966 type = BP_GET_TYPE(bp); 1967 1968 zdb_count_block(zcb, zilog, bp, type); 1969 1970 is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata); 1971 1972 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) { 1973 int ioerr; 1974 size_t size = BP_GET_PSIZE(bp); 1975 void *data = malloc(size); 1976 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW; 1977 1978 /* If it's an intent log block, failure is expected. */ 1979 if (zb->zb_level == ZB_ZIL_LEVEL) 1980 flags |= ZIO_FLAG_SPECULATIVE; 1981 1982 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size, 1983 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb)); 1984 1985 free(data); 1986 1987 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) { 1988 zcb->zcb_haderrors = 1; 1989 zcb->zcb_errors[ioerr]++; 1990 1991 if (dump_opt['b'] >= 2) 1992 sprintf_blkptr(blkbuf, bp); 1993 else 1994 blkbuf[0] = '\0'; 1995 1996 (void) printf("zdb_blkptr_cb: " 1997 "Got error %d reading " 1998 "<%llu, %llu, %lld, %llx> %s -- skipping\n", 1999 ioerr, 2000 (u_longlong_t)zb->zb_objset, 2001 (u_longlong_t)zb->zb_object, 2002 (u_longlong_t)zb->zb_level, 2003 (u_longlong_t)zb->zb_blkid, 2004 blkbuf); 2005 } 2006 } 2007 2008 zcb->zcb_readfails = 0; 2009 2010 if (dump_opt['b'] >= 4) { 2011 sprintf_blkptr(blkbuf, bp); 2012 (void) printf("objset %llu object %llu " 2013 "level %lld offset 0x%llx %s\n", 2014 (u_longlong_t)zb->zb_objset, 2015 (u_longlong_t)zb->zb_object, 2016 (longlong_t)zb->zb_level, 2017 (u_longlong_t)blkid2offset(dnp, bp, zb), 2018 blkbuf); 2019 } 2020 2021 return (0); 2022 } 2023 2024 static void 2025 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) 2026 { 2027 vdev_t *vd = sm->sm_ppd; 2028 2029 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 2030 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 2031 } 2032 2033 /* ARGSUSED */ 2034 static void 2035 zdb_space_map_load(space_map_t *sm) 2036 { 2037 } 2038 2039 static void 2040 zdb_space_map_unload(space_map_t *sm) 2041 { 2042 space_map_vacate(sm, zdb_leak, sm); 2043 } 2044 2045 /* ARGSUSED */ 2046 static void 2047 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) 2048 { 2049 } 2050 2051 static space_map_ops_t zdb_space_map_ops = { 2052 zdb_space_map_load, 2053 zdb_space_map_unload, 2054 NULL, /* alloc */ 2055 zdb_space_map_claim, 2056 NULL, /* free */ 2057 NULL /* maxsize */ 2058 }; 2059 2060 static void 2061 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb) 2062 { 2063 ddt_bookmark_t ddb = { 0 }; 2064 ddt_entry_t dde; 2065 int error; 2066 2067 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) { 2068 blkptr_t blk; 2069 ddt_phys_t *ddp = dde.dde_phys; 2070 2071 if (ddb.ddb_class == DDT_CLASS_UNIQUE) 2072 return; 2073 2074 ASSERT(ddt_phys_total_refcnt(&dde) > 1); 2075 2076 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 2077 if (ddp->ddp_phys_birth == 0) 2078 continue; 2079 ddt_bp_create(ddb.ddb_checksum, 2080 &dde.dde_key, ddp, &blk); 2081 if (p == DDT_PHYS_DITTO) { 2082 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO); 2083 } else { 2084 zcb->zcb_dedup_asize += 2085 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1); 2086 zcb->zcb_dedup_blocks++; 2087 } 2088 } 2089 if (!dump_opt['L']) { 2090 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum]; 2091 ddt_enter(ddt); 2092 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL); 2093 ddt_exit(ddt); 2094 } 2095 } 2096 2097 ASSERT(error == ENOENT); 2098 } 2099 2100 static void 2101 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb) 2102 { 2103 zcb->zcb_spa = spa; 2104 2105 if (!dump_opt['L']) { 2106 vdev_t *rvd = spa->spa_root_vdev; 2107 for (int c = 0; c < rvd->vdev_children; c++) { 2108 vdev_t *vd = rvd->vdev_child[c]; 2109 for (int m = 0; m < vd->vdev_ms_count; m++) { 2110 metaslab_t *msp = vd->vdev_ms[m]; 2111 mutex_enter(&msp->ms_lock); 2112 space_map_unload(&msp->ms_map); 2113 VERIFY(space_map_load(&msp->ms_map, 2114 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo, 2115 spa->spa_meta_objset) == 0); 2116 msp->ms_map.sm_ppd = vd; 2117 mutex_exit(&msp->ms_lock); 2118 } 2119 } 2120 } 2121 2122 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2123 2124 zdb_ddt_leak_init(spa, zcb); 2125 2126 spa_config_exit(spa, SCL_CONFIG, FTAG); 2127 } 2128 2129 static void 2130 zdb_leak_fini(spa_t *spa) 2131 { 2132 if (!dump_opt['L']) { 2133 vdev_t *rvd = spa->spa_root_vdev; 2134 for (int c = 0; c < rvd->vdev_children; c++) { 2135 vdev_t *vd = rvd->vdev_child[c]; 2136 for (int m = 0; m < vd->vdev_ms_count; m++) { 2137 metaslab_t *msp = vd->vdev_ms[m]; 2138 mutex_enter(&msp->ms_lock); 2139 space_map_unload(&msp->ms_map); 2140 mutex_exit(&msp->ms_lock); 2141 } 2142 } 2143 } 2144 } 2145 2146 /* ARGSUSED */ 2147 static int 2148 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 2149 { 2150 zdb_cb_t *zcb = arg; 2151 2152 if (dump_opt['b'] >= 4) { 2153 char blkbuf[BP_SPRINTF_LEN]; 2154 sprintf_blkptr(blkbuf, bp); 2155 (void) printf("[%s] %s\n", 2156 "deferred free", blkbuf); 2157 } 2158 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED); 2159 return (0); 2160 } 2161 2162 static int 2163 dump_block_stats(spa_t *spa) 2164 { 2165 zdb_cb_t zcb = { 0 }; 2166 zdb_blkstats_t *zb, *tzb; 2167 uint64_t norm_alloc, norm_space, total_alloc, total_found; 2168 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD; 2169 int leaks = 0; 2170 2171 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n", 2172 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 2173 (dump_opt['c'] == 1) ? "metadata " : "", 2174 dump_opt['c'] ? "checksums " : "", 2175 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 2176 !dump_opt['L'] ? "nothing leaked " : ""); 2177 2178 /* 2179 * Load all space maps as SM_ALLOC maps, then traverse the pool 2180 * claiming each block we discover. If the pool is perfectly 2181 * consistent, the space maps will be empty when we're done. 2182 * Anything left over is a leak; any block we can't claim (because 2183 * it's not part of any space map) is a double allocation, 2184 * reference to a freed block, or an unclaimed log block. 2185 */ 2186 zdb_leak_init(spa, &zcb); 2187 2188 /* 2189 * If there's a deferred-free bplist, process that first. 2190 */ 2191 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj, 2192 count_block_cb, &zcb, NULL); 2193 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj, 2194 count_block_cb, &zcb, NULL); 2195 2196 if (dump_opt['c'] > 1) 2197 flags |= TRAVERSE_PREFETCH_DATA; 2198 2199 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb); 2200 2201 if (zcb.zcb_haderrors) { 2202 (void) printf("\nError counts:\n\n"); 2203 (void) printf("\t%5s %s\n", "errno", "count"); 2204 for (int e = 0; e < 256; e++) { 2205 if (zcb.zcb_errors[e] != 0) { 2206 (void) printf("\t%5d %llu\n", 2207 e, (u_longlong_t)zcb.zcb_errors[e]); 2208 } 2209 } 2210 } 2211 2212 /* 2213 * Report any leaked segments. 2214 */ 2215 zdb_leak_fini(spa); 2216 2217 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL]; 2218 2219 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 2220 norm_space = metaslab_class_get_space(spa_normal_class(spa)); 2221 2222 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa)); 2223 total_found = tzb->zb_asize - zcb.zcb_dedup_asize; 2224 2225 if (total_found == total_alloc) { 2226 if (!dump_opt['L']) 2227 (void) printf("\n\tNo leaks (block sum matches space" 2228 " maps exactly)\n"); 2229 } else { 2230 (void) printf("block traversal size %llu != alloc %llu " 2231 "(%s %lld)\n", 2232 (u_longlong_t)total_found, 2233 (u_longlong_t)total_alloc, 2234 (dump_opt['L']) ? "unreachable" : "leaked", 2235 (longlong_t)(total_alloc - total_found)); 2236 leaks = 1; 2237 } 2238 2239 if (tzb->zb_count == 0) 2240 return (2); 2241 2242 (void) printf("\n"); 2243 (void) printf("\tbp count: %10llu\n", 2244 (u_longlong_t)tzb->zb_count); 2245 (void) printf("\tbp logical: %10llu avg: %6llu\n", 2246 (u_longlong_t)tzb->zb_lsize, 2247 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 2248 (void) printf("\tbp physical: %10llu avg:" 2249 " %6llu compression: %6.2f\n", 2250 (u_longlong_t)tzb->zb_psize, 2251 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 2252 (double)tzb->zb_lsize / tzb->zb_psize); 2253 (void) printf("\tbp allocated: %10llu avg:" 2254 " %6llu compression: %6.2f\n", 2255 (u_longlong_t)tzb->zb_asize, 2256 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 2257 (double)tzb->zb_lsize / tzb->zb_asize); 2258 (void) printf("\tbp deduped: %10llu ref>1:" 2259 " %6llu deduplication: %6.2f\n", 2260 (u_longlong_t)zcb.zcb_dedup_asize, 2261 (u_longlong_t)zcb.zcb_dedup_blocks, 2262 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0); 2263 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n", 2264 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space); 2265 2266 if (dump_opt['b'] >= 2) { 2267 int l, t, level; 2268 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 2269 "\t avg\t comp\t%%Total\tType\n"); 2270 2271 for (t = 0; t <= ZDB_OT_TOTAL; t++) { 2272 char csize[32], lsize[32], psize[32], asize[32]; 2273 char avg[32]; 2274 char *typename; 2275 2276 if (t < DMU_OT_NUMTYPES) 2277 typename = dmu_ot[t].ot_name; 2278 else 2279 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES]; 2280 2281 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 2282 (void) printf("%6s\t%5s\t%5s\t%5s" 2283 "\t%5s\t%5s\t%6s\t%s\n", 2284 "-", 2285 "-", 2286 "-", 2287 "-", 2288 "-", 2289 "-", 2290 "-", 2291 typename); 2292 continue; 2293 } 2294 2295 for (l = ZB_TOTAL - 1; l >= -1; l--) { 2296 level = (l == -1 ? ZB_TOTAL : l); 2297 zb = &zcb.zcb_type[level][t]; 2298 2299 if (zb->zb_asize == 0) 2300 continue; 2301 2302 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 2303 continue; 2304 2305 if (level == 0 && zb->zb_asize == 2306 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 2307 continue; 2308 2309 zdb_nicenum(zb->zb_count, csize); 2310 zdb_nicenum(zb->zb_lsize, lsize); 2311 zdb_nicenum(zb->zb_psize, psize); 2312 zdb_nicenum(zb->zb_asize, asize); 2313 zdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2314 2315 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 2316 "\t%5.2f\t%6.2f\t", 2317 csize, lsize, psize, asize, avg, 2318 (double)zb->zb_lsize / zb->zb_psize, 2319 100.0 * zb->zb_asize / tzb->zb_asize); 2320 2321 if (level == ZB_TOTAL) 2322 (void) printf("%s\n", typename); 2323 else 2324 (void) printf(" L%d %s\n", 2325 level, typename); 2326 } 2327 } 2328 } 2329 2330 (void) printf("\n"); 2331 2332 if (leaks) 2333 return (2); 2334 2335 if (zcb.zcb_haderrors) 2336 return (3); 2337 2338 return (0); 2339 } 2340 2341 typedef struct zdb_ddt_entry { 2342 ddt_key_t zdde_key; 2343 uint64_t zdde_ref_blocks; 2344 uint64_t zdde_ref_lsize; 2345 uint64_t zdde_ref_psize; 2346 uint64_t zdde_ref_dsize; 2347 avl_node_t zdde_node; 2348 } zdb_ddt_entry_t; 2349 2350 /* ARGSUSED */ 2351 static int 2352 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2353 arc_buf_t *pbuf, const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 2354 { 2355 avl_tree_t *t = arg; 2356 avl_index_t where; 2357 zdb_ddt_entry_t *zdde, zdde_search; 2358 2359 if (bp == NULL) 2360 return (0); 2361 2362 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) { 2363 (void) printf("traversing objset %llu, %llu objects, " 2364 "%lu blocks so far\n", 2365 (u_longlong_t)zb->zb_objset, 2366 (u_longlong_t)bp->blk_fill, 2367 avl_numnodes(t)); 2368 } 2369 2370 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF || 2371 BP_GET_LEVEL(bp) > 0 || dmu_ot[BP_GET_TYPE(bp)].ot_metadata) 2372 return (0); 2373 2374 ddt_key_fill(&zdde_search.zdde_key, bp); 2375 2376 zdde = avl_find(t, &zdde_search, &where); 2377 2378 if (zdde == NULL) { 2379 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL); 2380 zdde->zdde_key = zdde_search.zdde_key; 2381 avl_insert(t, zdde, where); 2382 } 2383 2384 zdde->zdde_ref_blocks += 1; 2385 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp); 2386 zdde->zdde_ref_psize += BP_GET_PSIZE(bp); 2387 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp); 2388 2389 return (0); 2390 } 2391 2392 static void 2393 dump_simulated_ddt(spa_t *spa) 2394 { 2395 avl_tree_t t; 2396 void *cookie = NULL; 2397 zdb_ddt_entry_t *zdde; 2398 ddt_histogram_t ddh_total = { 0 }; 2399 ddt_stat_t dds_total = { 0 }; 2400 2401 avl_create(&t, ddt_entry_compare, 2402 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node)); 2403 2404 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2405 2406 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, 2407 zdb_ddt_add_cb, &t); 2408 2409 spa_config_exit(spa, SCL_CONFIG, FTAG); 2410 2411 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) { 2412 ddt_stat_t dds; 2413 uint64_t refcnt = zdde->zdde_ref_blocks; 2414 ASSERT(refcnt != 0); 2415 2416 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt; 2417 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt; 2418 dds.dds_psize = zdde->zdde_ref_psize / refcnt; 2419 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt; 2420 2421 dds.dds_ref_blocks = zdde->zdde_ref_blocks; 2422 dds.dds_ref_lsize = zdde->zdde_ref_lsize; 2423 dds.dds_ref_psize = zdde->zdde_ref_psize; 2424 dds.dds_ref_dsize = zdde->zdde_ref_dsize; 2425 2426 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0); 2427 2428 umem_free(zdde, sizeof (*zdde)); 2429 } 2430 2431 avl_destroy(&t); 2432 2433 ddt_histogram_stat(&dds_total, &ddh_total); 2434 2435 (void) printf("Simulated DDT histogram:\n"); 2436 2437 zpool_dump_ddt(&dds_total, &ddh_total); 2438 2439 dump_dedup_ratio(&dds_total); 2440 } 2441 2442 static void 2443 dump_zpool(spa_t *spa) 2444 { 2445 dsl_pool_t *dp = spa_get_dsl(spa); 2446 int rc = 0; 2447 2448 if (dump_opt['S']) { 2449 dump_simulated_ddt(spa); 2450 return; 2451 } 2452 2453 if (!dump_opt['e'] && dump_opt['C'] > 1) { 2454 (void) printf("\nCached configuration:\n"); 2455 dump_nvlist(spa->spa_config, 8); 2456 } 2457 2458 if (dump_opt['C']) 2459 dump_config(spa); 2460 2461 if (dump_opt['u']) 2462 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n"); 2463 2464 if (dump_opt['D']) 2465 dump_all_ddts(spa); 2466 2467 if (dump_opt['d'] > 2 || dump_opt['m']) 2468 dump_metaslabs(spa); 2469 2470 if (dump_opt['d'] || dump_opt['i']) { 2471 dump_dir(dp->dp_meta_objset); 2472 if (dump_opt['d'] >= 3) { 2473 dump_bpobj(&spa->spa_deferred_bpobj, "Deferred frees"); 2474 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2475 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj, 2476 "Pool frees"); 2477 } 2478 dump_dtl(spa->spa_root_vdev, 0); 2479 } 2480 (void) dmu_objset_find(spa_name(spa), dump_one_dir, 2481 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 2482 } 2483 if (dump_opt['b'] || dump_opt['c']) 2484 rc = dump_block_stats(spa); 2485 2486 if (dump_opt['s']) 2487 show_pool_stats(spa); 2488 2489 if (dump_opt['h']) 2490 dump_history(spa); 2491 2492 if (rc != 0) 2493 exit(rc); 2494 } 2495 2496 #define ZDB_FLAG_CHECKSUM 0x0001 2497 #define ZDB_FLAG_DECOMPRESS 0x0002 2498 #define ZDB_FLAG_BSWAP 0x0004 2499 #define ZDB_FLAG_GBH 0x0008 2500 #define ZDB_FLAG_INDIRECT 0x0010 2501 #define ZDB_FLAG_PHYS 0x0020 2502 #define ZDB_FLAG_RAW 0x0040 2503 #define ZDB_FLAG_PRINT_BLKPTR 0x0080 2504 2505 int flagbits[256]; 2506 2507 static void 2508 zdb_print_blkptr(blkptr_t *bp, int flags) 2509 { 2510 char blkbuf[BP_SPRINTF_LEN]; 2511 2512 if (flags & ZDB_FLAG_BSWAP) 2513 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 2514 2515 sprintf_blkptr(blkbuf, bp); 2516 (void) printf("%s\n", blkbuf); 2517 } 2518 2519 static void 2520 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 2521 { 2522 int i; 2523 2524 for (i = 0; i < nbps; i++) 2525 zdb_print_blkptr(&bp[i], flags); 2526 } 2527 2528 static void 2529 zdb_dump_gbh(void *buf, int flags) 2530 { 2531 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 2532 } 2533 2534 static void 2535 zdb_dump_block_raw(void *buf, uint64_t size, int flags) 2536 { 2537 if (flags & ZDB_FLAG_BSWAP) 2538 byteswap_uint64_array(buf, size); 2539 (void) write(1, buf, size); 2540 } 2541 2542 static void 2543 zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 2544 { 2545 uint64_t *d = (uint64_t *)buf; 2546 int nwords = size / sizeof (uint64_t); 2547 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 2548 int i, j; 2549 char *hdr, *c; 2550 2551 2552 if (do_bswap) 2553 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 2554 else 2555 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 2556 2557 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 2558 2559 for (i = 0; i < nwords; i += 2) { 2560 (void) printf("%06llx: %016llx %016llx ", 2561 (u_longlong_t)(i * sizeof (uint64_t)), 2562 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 2563 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 2564 2565 c = (char *)&d[i]; 2566 for (j = 0; j < 2 * sizeof (uint64_t); j++) 2567 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 2568 (void) printf("\n"); 2569 } 2570 } 2571 2572 /* 2573 * There are two acceptable formats: 2574 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 2575 * child[.child]* - For example: 0.1.1 2576 * 2577 * The second form can be used to specify arbitrary vdevs anywhere 2578 * in the heirarchy. For example, in a pool with a mirror of 2579 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 2580 */ 2581 static vdev_t * 2582 zdb_vdev_lookup(vdev_t *vdev, char *path) 2583 { 2584 char *s, *p, *q; 2585 int i; 2586 2587 if (vdev == NULL) 2588 return (NULL); 2589 2590 /* First, assume the x.x.x.x format */ 2591 i = (int)strtoul(path, &s, 10); 2592 if (s == path || (s && *s != '.' && *s != '\0')) 2593 goto name; 2594 if (i < 0 || i >= vdev->vdev_children) 2595 return (NULL); 2596 2597 vdev = vdev->vdev_child[i]; 2598 if (*s == '\0') 2599 return (vdev); 2600 return (zdb_vdev_lookup(vdev, s+1)); 2601 2602 name: 2603 for (i = 0; i < vdev->vdev_children; i++) { 2604 vdev_t *vc = vdev->vdev_child[i]; 2605 2606 if (vc->vdev_path == NULL) { 2607 vc = zdb_vdev_lookup(vc, path); 2608 if (vc == NULL) 2609 continue; 2610 else 2611 return (vc); 2612 } 2613 2614 p = strrchr(vc->vdev_path, '/'); 2615 p = p ? p + 1 : vc->vdev_path; 2616 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 2617 2618 if (strcmp(vc->vdev_path, path) == 0) 2619 return (vc); 2620 if (strcmp(p, path) == 0) 2621 return (vc); 2622 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 2623 return (vc); 2624 } 2625 2626 return (NULL); 2627 } 2628 2629 /* 2630 * Read a block from a pool and print it out. The syntax of the 2631 * block descriptor is: 2632 * 2633 * pool:vdev_specifier:offset:size[:flags] 2634 * 2635 * pool - The name of the pool you wish to read from 2636 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 2637 * offset - offset, in hex, in bytes 2638 * size - Amount of data to read, in hex, in bytes 2639 * flags - A string of characters specifying options 2640 * b: Decode a blkptr at given offset within block 2641 * *c: Calculate and display checksums 2642 * d: Decompress data before dumping 2643 * e: Byteswap data before dumping 2644 * g: Display data as a gang block header 2645 * i: Display as an indirect block 2646 * p: Do I/O to physical offset 2647 * r: Dump raw data to stdout 2648 * 2649 * * = not yet implemented 2650 */ 2651 static void 2652 zdb_read_block(char *thing, spa_t *spa) 2653 { 2654 blkptr_t blk, *bp = &blk; 2655 dva_t *dva = bp->blk_dva; 2656 int flags = 0; 2657 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0; 2658 zio_t *zio; 2659 vdev_t *vd; 2660 void *pbuf, *lbuf, *buf; 2661 char *s, *p, *dup, *vdev, *flagstr; 2662 int i, error; 2663 2664 dup = strdup(thing); 2665 s = strtok(dup, ":"); 2666 vdev = s ? s : ""; 2667 s = strtok(NULL, ":"); 2668 offset = strtoull(s ? s : "", NULL, 16); 2669 s = strtok(NULL, ":"); 2670 size = strtoull(s ? s : "", NULL, 16); 2671 s = strtok(NULL, ":"); 2672 flagstr = s ? s : ""; 2673 2674 s = NULL; 2675 if (size == 0) 2676 s = "size must not be zero"; 2677 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 2678 s = "size must be a multiple of sector size"; 2679 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 2680 s = "offset must be a multiple of sector size"; 2681 if (s) { 2682 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 2683 free(dup); 2684 return; 2685 } 2686 2687 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 2688 for (i = 0; flagstr[i]; i++) { 2689 int bit = flagbits[(uchar_t)flagstr[i]]; 2690 2691 if (bit == 0) { 2692 (void) printf("***Invalid flag: %c\n", 2693 flagstr[i]); 2694 continue; 2695 } 2696 flags |= bit; 2697 2698 /* If it's not something with an argument, keep going */ 2699 if ((bit & (ZDB_FLAG_CHECKSUM | 2700 ZDB_FLAG_PRINT_BLKPTR)) == 0) 2701 continue; 2702 2703 p = &flagstr[i + 1]; 2704 if (bit == ZDB_FLAG_PRINT_BLKPTR) 2705 blkptr_offset = strtoull(p, &p, 16); 2706 if (*p != ':' && *p != '\0') { 2707 (void) printf("***Invalid flag arg: '%s'\n", s); 2708 free(dup); 2709 return; 2710 } 2711 } 2712 } 2713 2714 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 2715 if (vd == NULL) { 2716 (void) printf("***Invalid vdev: %s\n", vdev); 2717 free(dup); 2718 return; 2719 } else { 2720 if (vd->vdev_path) 2721 (void) fprintf(stderr, "Found vdev: %s\n", 2722 vd->vdev_path); 2723 else 2724 (void) fprintf(stderr, "Found vdev type: %s\n", 2725 vd->vdev_ops->vdev_op_type); 2726 } 2727 2728 psize = size; 2729 lsize = size; 2730 2731 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2732 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2733 2734 BP_ZERO(bp); 2735 2736 DVA_SET_VDEV(&dva[0], vd->vdev_id); 2737 DVA_SET_OFFSET(&dva[0], offset); 2738 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH)); 2739 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize)); 2740 2741 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL); 2742 2743 BP_SET_LSIZE(bp, lsize); 2744 BP_SET_PSIZE(bp, psize); 2745 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF); 2746 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF); 2747 BP_SET_TYPE(bp, DMU_OT_NONE); 2748 BP_SET_LEVEL(bp, 0); 2749 BP_SET_DEDUP(bp, 0); 2750 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); 2751 2752 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2753 zio = zio_root(spa, NULL, NULL, 0); 2754 2755 if (vd == vd->vdev_top) { 2756 /* 2757 * Treat this as a normal block read. 2758 */ 2759 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL, 2760 ZIO_PRIORITY_SYNC_READ, 2761 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL)); 2762 } else { 2763 /* 2764 * Treat this as a vdev child I/O. 2765 */ 2766 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize, 2767 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, 2768 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 2769 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | 2770 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL)); 2771 } 2772 2773 error = zio_wait(zio); 2774 spa_config_exit(spa, SCL_STATE, FTAG); 2775 2776 if (error) { 2777 (void) printf("Read of %s failed, error: %d\n", thing, error); 2778 goto out; 2779 } 2780 2781 if (flags & ZDB_FLAG_DECOMPRESS) { 2782 /* 2783 * We don't know how the data was compressed, so just try 2784 * every decompress function at every inflated blocksize. 2785 */ 2786 enum zio_compress c; 2787 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2788 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2789 2790 bcopy(pbuf, pbuf2, psize); 2791 2792 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize, 2793 SPA_MAXBLOCKSIZE - psize) == 0); 2794 2795 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize, 2796 SPA_MAXBLOCKSIZE - psize) == 0); 2797 2798 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize; 2799 lsize -= SPA_MINBLOCKSIZE) { 2800 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) { 2801 if (zio_decompress_data(c, pbuf, lbuf, 2802 psize, lsize) == 0 && 2803 zio_decompress_data(c, pbuf2, lbuf2, 2804 psize, lsize) == 0 && 2805 bcmp(lbuf, lbuf2, lsize) == 0) 2806 break; 2807 } 2808 if (c != ZIO_COMPRESS_FUNCTIONS) 2809 break; 2810 lsize -= SPA_MINBLOCKSIZE; 2811 } 2812 2813 umem_free(pbuf2, SPA_MAXBLOCKSIZE); 2814 umem_free(lbuf2, SPA_MAXBLOCKSIZE); 2815 2816 if (lsize <= psize) { 2817 (void) printf("Decompress of %s failed\n", thing); 2818 goto out; 2819 } 2820 buf = lbuf; 2821 size = lsize; 2822 } else { 2823 buf = pbuf; 2824 size = psize; 2825 } 2826 2827 if (flags & ZDB_FLAG_PRINT_BLKPTR) 2828 zdb_print_blkptr((blkptr_t *)(void *) 2829 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 2830 else if (flags & ZDB_FLAG_RAW) 2831 zdb_dump_block_raw(buf, size, flags); 2832 else if (flags & ZDB_FLAG_INDIRECT) 2833 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 2834 flags); 2835 else if (flags & ZDB_FLAG_GBH) 2836 zdb_dump_gbh(buf, flags); 2837 else 2838 zdb_dump_block(thing, buf, size, flags); 2839 2840 out: 2841 umem_free(pbuf, SPA_MAXBLOCKSIZE); 2842 umem_free(lbuf, SPA_MAXBLOCKSIZE); 2843 free(dup); 2844 } 2845 2846 static boolean_t 2847 pool_match(nvlist_t *cfg, char *tgt) 2848 { 2849 uint64_t v, guid = strtoull(tgt, NULL, 0); 2850 char *s; 2851 2852 if (guid != 0) { 2853 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 2854 return (v == guid); 2855 } else { 2856 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 2857 return (strcmp(s, tgt) == 0); 2858 } 2859 return (B_FALSE); 2860 } 2861 2862 static char * 2863 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 2864 { 2865 nvlist_t *pools; 2866 nvlist_t *match = NULL; 2867 char *name = NULL; 2868 char *sepp = NULL; 2869 char sep; 2870 int count = 0; 2871 importargs_t args = { 0 }; 2872 2873 args.paths = dirc; 2874 args.path = dirv; 2875 args.can_be_active = B_TRUE; 2876 2877 if ((sepp = strpbrk(*target, "/@")) != NULL) { 2878 sep = *sepp; 2879 *sepp = '\0'; 2880 } 2881 2882 pools = zpool_search_import(g_zfs, &args); 2883 2884 if (pools != NULL) { 2885 nvpair_t *elem = NULL; 2886 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2887 verify(nvpair_value_nvlist(elem, configp) == 0); 2888 if (pool_match(*configp, *target)) { 2889 count++; 2890 if (match != NULL) { 2891 /* print previously found config */ 2892 if (name != NULL) { 2893 (void) printf("%s\n", name); 2894 dump_nvlist(match, 8); 2895 name = NULL; 2896 } 2897 (void) printf("%s\n", 2898 nvpair_name(elem)); 2899 dump_nvlist(*configp, 8); 2900 } else { 2901 match = *configp; 2902 name = nvpair_name(elem); 2903 } 2904 } 2905 } 2906 } 2907 if (count > 1) 2908 (void) fatal("\tMatched %d pools - use pool GUID " 2909 "instead of pool name or \n" 2910 "\tpool name part of a dataset name to select pool", count); 2911 2912 if (sepp) 2913 *sepp = sep; 2914 /* 2915 * If pool GUID was specified for pool id, replace it with pool name 2916 */ 2917 if (name && (strstr(*target, name) != *target)) { 2918 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 2919 2920 *target = umem_alloc(sz, UMEM_NOFAIL); 2921 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 2922 } 2923 2924 *configp = name ? match : NULL; 2925 2926 return (name); 2927 } 2928 2929 int 2930 main(int argc, char **argv) 2931 { 2932 int i, c; 2933 struct rlimit rl = { 1024, 1024 }; 2934 spa_t *spa = NULL; 2935 objset_t *os = NULL; 2936 int dump_all = 1; 2937 int verbose = 0; 2938 int error = 0; 2939 char **searchdirs = NULL; 2940 int nsearch = 0; 2941 char *target; 2942 nvlist_t *policy = NULL; 2943 uint64_t max_txg = UINT64_MAX; 2944 int rewind = ZPOOL_NEVER_REWIND; 2945 2946 (void) setrlimit(RLIMIT_NOFILE, &rl); 2947 (void) enable_extended_FILE_stdio(-1, -1); 2948 2949 dprintf_setup(&argc, argv); 2950 2951 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) { 2952 switch (c) { 2953 case 'b': 2954 case 'c': 2955 case 'd': 2956 case 'h': 2957 case 'i': 2958 case 'l': 2959 case 'm': 2960 case 's': 2961 case 'u': 2962 case 'C': 2963 case 'D': 2964 case 'R': 2965 case 'S': 2966 dump_opt[c]++; 2967 dump_all = 0; 2968 break; 2969 case 'A': 2970 case 'F': 2971 case 'L': 2972 case 'X': 2973 case 'e': 2974 case 'P': 2975 dump_opt[c]++; 2976 break; 2977 case 'v': 2978 verbose++; 2979 break; 2980 case 'p': 2981 if (searchdirs == NULL) { 2982 searchdirs = umem_alloc(sizeof (char *), 2983 UMEM_NOFAIL); 2984 } else { 2985 char **tmp = umem_alloc((nsearch + 1) * 2986 sizeof (char *), UMEM_NOFAIL); 2987 bcopy(searchdirs, tmp, nsearch * 2988 sizeof (char *)); 2989 umem_free(searchdirs, 2990 nsearch * sizeof (char *)); 2991 searchdirs = tmp; 2992 } 2993 searchdirs[nsearch++] = optarg; 2994 break; 2995 case 't': 2996 max_txg = strtoull(optarg, NULL, 0); 2997 if (max_txg < TXG_INITIAL) { 2998 (void) fprintf(stderr, "incorrect txg " 2999 "specified: %s\n", optarg); 3000 usage(); 3001 } 3002 break; 3003 case 'U': 3004 spa_config_path = optarg; 3005 break; 3006 default: 3007 usage(); 3008 break; 3009 } 3010 } 3011 3012 if (!dump_opt['e'] && searchdirs != NULL) { 3013 (void) fprintf(stderr, "-p option requires use of -e\n"); 3014 usage(); 3015 } 3016 3017 kernel_init(FREAD); 3018 g_zfs = libzfs_init(); 3019 ASSERT(g_zfs != NULL); 3020 3021 if (dump_all) 3022 verbose = MAX(verbose, 1); 3023 3024 for (c = 0; c < 256; c++) { 3025 if (dump_all && !strchr("elAFLRSXP", c)) 3026 dump_opt[c] = 1; 3027 if (dump_opt[c]) 3028 dump_opt[c] += verbose; 3029 } 3030 3031 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2); 3032 zfs_recover = (dump_opt['A'] > 1); 3033 3034 argc -= optind; 3035 argv += optind; 3036 3037 if (argc < 2 && dump_opt['R']) 3038 usage(); 3039 if (argc < 1) { 3040 if (!dump_opt['e'] && dump_opt['C']) { 3041 dump_cachefile(spa_config_path); 3042 return (0); 3043 } 3044 usage(); 3045 } 3046 3047 if (dump_opt['l']) { 3048 dump_label(argv[0]); 3049 return (0); 3050 } 3051 3052 if (dump_opt['X'] || dump_opt['F']) 3053 rewind = ZPOOL_DO_REWIND | 3054 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0); 3055 3056 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 || 3057 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 3058 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0) 3059 fatal("internal error: %s", strerror(ENOMEM)); 3060 3061 error = 0; 3062 target = argv[0]; 3063 3064 if (dump_opt['e']) { 3065 nvlist_t *cfg = NULL; 3066 char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 3067 3068 error = ENOENT; 3069 if (name) { 3070 if (dump_opt['C'] > 1) { 3071 (void) printf("\nConfiguration for import:\n"); 3072 dump_nvlist(cfg, 8); 3073 } 3074 if (nvlist_add_nvlist(cfg, 3075 ZPOOL_REWIND_POLICY, policy) != 0) { 3076 fatal("can't open '%s': %s", 3077 target, strerror(ENOMEM)); 3078 } 3079 if ((error = spa_import(name, cfg, NULL)) != 0) 3080 error = spa_import_verbatim(name, cfg, NULL); 3081 } 3082 } 3083 3084 if (error == 0) { 3085 if (strpbrk(target, "/@") == NULL || dump_opt['R']) { 3086 error = spa_open_rewind(target, &spa, FTAG, policy, 3087 NULL); 3088 if (error) { 3089 /* 3090 * If we're missing the log device then 3091 * try opening the pool after clearing the 3092 * log state. 3093 */ 3094 mutex_enter(&spa_namespace_lock); 3095 if ((spa = spa_lookup(target)) != NULL && 3096 spa->spa_log_state == SPA_LOG_MISSING) { 3097 spa->spa_log_state = SPA_LOG_CLEAR; 3098 error = 0; 3099 } 3100 mutex_exit(&spa_namespace_lock); 3101 3102 if (!error) { 3103 error = spa_open_rewind(target, &spa, 3104 FTAG, policy, NULL); 3105 } 3106 } 3107 } else { 3108 error = dmu_objset_own(target, DMU_OST_ANY, 3109 B_TRUE, FTAG, &os); 3110 } 3111 } 3112 nvlist_free(policy); 3113 3114 if (error) 3115 fatal("can't open '%s': %s", target, strerror(error)); 3116 3117 argv++; 3118 argc--; 3119 if (!dump_opt['R']) { 3120 if (argc > 0) { 3121 zopt_objects = argc; 3122 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 3123 for (i = 0; i < zopt_objects; i++) { 3124 errno = 0; 3125 zopt_object[i] = strtoull(argv[i], NULL, 0); 3126 if (zopt_object[i] == 0 && errno != 0) 3127 fatal("bad number %s: %s", 3128 argv[i], strerror(errno)); 3129 } 3130 } 3131 (os != NULL) ? dump_dir(os) : dump_zpool(spa); 3132 } else { 3133 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 3134 flagbits['c'] = ZDB_FLAG_CHECKSUM; 3135 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 3136 flagbits['e'] = ZDB_FLAG_BSWAP; 3137 flagbits['g'] = ZDB_FLAG_GBH; 3138 flagbits['i'] = ZDB_FLAG_INDIRECT; 3139 flagbits['p'] = ZDB_FLAG_PHYS; 3140 flagbits['r'] = ZDB_FLAG_RAW; 3141 3142 for (i = 0; i < argc; i++) 3143 zdb_read_block(argv[i], spa); 3144 } 3145 3146 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG); 3147 3148 fuid_table_destroy(); 3149 sa_loaded = B_FALSE; 3150 3151 libzfs_fini(g_zfs); 3152 kernel_fini(); 3153 3154 return (0); 3155 } 3156