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.
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.
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]
22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
27 #include <stdio_ext.h>
30 #include <sys/zfs_context.h>
32 #include <sys/spa_impl.h>
35 #include <sys/fs/zfs.h>
36 #include <sys/zfs_znode.h>
38 #include <sys/vdev_impl.h>
39 #include <sys/metaslab_impl.h>
40 #include <sys/dmu_objset.h>
41 #include <sys/dsl_dir.h>
42 #include <sys/dsl_dataset.h>
43 #include <sys/dsl_pool.h>
46 #include <sys/zil_impl.h>
48 #include <sys/resource.h>
49 #include <sys/dmu_traverse.h>
50 #include <sys/zio_checksum.h>
51 #include <sys/zio_compress.h>
52 #include <sys/zfs_fuid.h>
57 const char cmdname[] = "zdb";
58 uint8_t dump_opt[256];
60 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
62 extern void dump_intent_log(zilog_t *);
63 uint64_t *zopt_object = NULL;
65 int zdb_advance = ADVANCE_PRE;
66 zbookmark_t zdb_noread = { 0, 0, ZB_NO_LEVEL, 0 };
67 libzfs_handle_t *g_zfs;
68 boolean_t zdb_sig_user_data = B_TRUE;
69 int zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256;
72 * These libumem hooks provide a reasonable set of defaults for the allocator's
73 * debugging facilities.
78 return ("default,verbose"); /* $UMEM_DEBUG setting */
82 _umem_logging_init(void)
84 return ("fail,contents"); /* $UMEM_LOGGING setting */
90 (void) fprintf(stderr,
91 "Usage: %s [-udibcsvL] [-U cachefile_path] [-O order] "
92 "[-B os:obj:level:blkid] [-S user:cksumalg] "
93 "dataset [object...]\n"
96 " %s -R pool:vdev:offset:size:flags\n"
97 " %s [-p path_to_vdev_dir]\n"
98 " %s -e pool | GUID | devid ...\n",
99 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
101 (void) fprintf(stderr, " -u uberblock\n");
102 (void) fprintf(stderr, " -d datasets\n");
103 (void) fprintf(stderr, " -C cached pool configuration\n");
104 (void) fprintf(stderr, " -i intent logs\n");
105 (void) fprintf(stderr, " -b block statistics\n");
106 (void) fprintf(stderr, " -c checksum all data blocks\n");
107 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
108 (void) fprintf(stderr, " -S <user|all>:<cksum_alg|all> -- "
109 "dump blkptr signatures\n");
110 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
111 (void) fprintf(stderr, " -l dump label contents\n");
112 (void) fprintf(stderr, " -L live pool (allows some errors)\n");
113 (void) fprintf(stderr, " -O [!]<pre|post|prune|data|holes> "
114 "visitation order\n");
115 (void) fprintf(stderr, " -U cachefile_path -- use alternate "
117 (void) fprintf(stderr, " -B objset:object:level:blkid -- "
118 "simulate bad block\n");
119 (void) fprintf(stderr, " -R read and display block from a "
121 (void) fprintf(stderr, " -e Pool is exported/destroyed/"
123 (void) fprintf(stderr, " -p <Path to vdev dir> (use with -e)\n");
124 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
125 "to make only that option verbose\n");
126 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
131 fatal(const char *fmt, ...)
136 (void) fprintf(stderr, "%s: ", cmdname);
137 (void) vfprintf(stderr, fmt, ap);
139 (void) fprintf(stderr, "\n");
145 dump_nvlist(nvlist_t *list, int indent)
147 nvpair_t *elem = NULL;
149 while ((elem = nvlist_next_nvpair(list, elem)) != NULL) {
150 switch (nvpair_type(elem)) {
151 case DATA_TYPE_STRING:
155 VERIFY(nvpair_value_string(elem, &value) == 0);
156 (void) printf("%*s%s='%s'\n", indent, "",
157 nvpair_name(elem), value);
161 case DATA_TYPE_UINT64:
165 VERIFY(nvpair_value_uint64(elem, &value) == 0);
166 (void) printf("%*s%s=%llu\n", indent, "",
167 nvpair_name(elem), (u_longlong_t)value);
171 case DATA_TYPE_NVLIST:
175 VERIFY(nvpair_value_nvlist(elem, &value) == 0);
176 (void) printf("%*s%s\n", indent, "",
178 dump_nvlist(value, indent + 4);
182 case DATA_TYPE_NVLIST_ARRAY:
187 VERIFY(nvpair_value_nvlist_array(elem, &value,
190 for (c = 0; c < count; c++) {
191 (void) printf("%*s%s[%u]\n", indent, "",
192 nvpair_name(elem), c);
193 dump_nvlist(value[c], indent + 8);
200 (void) printf("bad config type %d for %s\n",
201 nvpair_type(elem), nvpair_name(elem));
208 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
211 size_t nvsize = *(uint64_t *)data;
212 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
214 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed));
216 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
218 umem_free(packed, nvsize);
225 const char dump_zap_stars[] = "****************************************";
226 const int dump_zap_width = sizeof (dump_zap_stars) - 1;
229 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
232 int minidx = ZAP_HISTOGRAM_SIZE - 1;
236 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
239 if (histo[i] > 0 && i > maxidx)
241 if (histo[i] > 0 && i < minidx)
245 if (max < dump_zap_width)
246 max = dump_zap_width;
248 for (i = minidx; i <= maxidx; i++)
249 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
250 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
254 dump_zap_stats(objset_t *os, uint64_t object)
259 error = zap_get_stats(os, object, &zs);
263 if (zs.zs_ptrtbl_len == 0) {
264 ASSERT(zs.zs_num_blocks == 1);
265 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
266 (u_longlong_t)zs.zs_blocksize,
267 (u_longlong_t)zs.zs_num_entries);
271 (void) printf("\tFat ZAP stats:\n");
273 (void) printf("\t\tPointer table:\n");
274 (void) printf("\t\t\t%llu elements\n",
275 (u_longlong_t)zs.zs_ptrtbl_len);
276 (void) printf("\t\t\tzt_blk: %llu\n",
277 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
278 (void) printf("\t\t\tzt_numblks: %llu\n",
279 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
280 (void) printf("\t\t\tzt_shift: %llu\n",
281 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
282 (void) printf("\t\t\tzt_blks_copied: %llu\n",
283 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
284 (void) printf("\t\t\tzt_nextblk: %llu\n",
285 (u_longlong_t)zs.zs_ptrtbl_nextblk);
287 (void) printf("\t\tZAP entries: %llu\n",
288 (u_longlong_t)zs.zs_num_entries);
289 (void) printf("\t\tLeaf blocks: %llu\n",
290 (u_longlong_t)zs.zs_num_leafs);
291 (void) printf("\t\tTotal blocks: %llu\n",
292 (u_longlong_t)zs.zs_num_blocks);
293 (void) printf("\t\tzap_block_type: 0x%llx\n",
294 (u_longlong_t)zs.zs_block_type);
295 (void) printf("\t\tzap_magic: 0x%llx\n",
296 (u_longlong_t)zs.zs_magic);
297 (void) printf("\t\tzap_salt: 0x%llx\n",
298 (u_longlong_t)zs.zs_salt);
300 (void) printf("\t\tLeafs with 2^n pointers:\n");
301 dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
303 (void) printf("\t\tBlocks with n*5 entries:\n");
304 dump_zap_histogram(zs.zs_blocks_with_n5_entries);
306 (void) printf("\t\tBlocks n/10 full:\n");
307 dump_zap_histogram(zs.zs_blocks_n_tenths_full);
309 (void) printf("\t\tEntries with n chunks:\n");
310 dump_zap_histogram(zs.zs_entries_using_n_chunks);
312 (void) printf("\t\tBuckets with n entries:\n");
313 dump_zap_histogram(zs.zs_buckets_with_n_entries);
318 dump_none(objset_t *os, uint64_t object, void *data, size_t size)
324 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
330 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
336 dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
339 zap_attribute_t attr;
343 dump_zap_stats(os, object);
346 for (zap_cursor_init(&zc, os, object);
347 zap_cursor_retrieve(&zc, &attr) == 0;
348 zap_cursor_advance(&zc)) {
349 (void) printf("\t\t%s = ", attr.za_name);
350 if (attr.za_num_integers == 0) {
354 prop = umem_zalloc(attr.za_num_integers *
355 attr.za_integer_length, UMEM_NOFAIL);
356 (void) zap_lookup(os, object, attr.za_name,
357 attr.za_integer_length, attr.za_num_integers, prop);
358 if (attr.za_integer_length == 1) {
359 (void) printf("%s", (char *)prop);
361 for (i = 0; i < attr.za_num_integers; i++) {
362 switch (attr.za_integer_length) {
365 ((uint16_t *)prop)[i]);
369 ((uint32_t *)prop)[i]);
372 (void) printf("%lld ",
373 (u_longlong_t)((int64_t *)prop)[i]);
379 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
381 zap_cursor_fini(&zc);
386 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
389 zap_attribute_t attr;
390 const char *typenames[] = {
391 /* 0 */ "not specified",
393 /* 2 */ "Character Device",
394 /* 3 */ "3 (invalid)",
396 /* 5 */ "5 (invalid)",
397 /* 6 */ "Block Device",
398 /* 7 */ "7 (invalid)",
399 /* 8 */ "Regular File",
400 /* 9 */ "9 (invalid)",
401 /* 10 */ "Symbolic Link",
402 /* 11 */ "11 (invalid)",
405 /* 14 */ "Event Port",
406 /* 15 */ "15 (invalid)",
409 dump_zap_stats(os, object);
412 for (zap_cursor_init(&zc, os, object);
413 zap_cursor_retrieve(&zc, &attr) == 0;
414 zap_cursor_advance(&zc)) {
415 (void) printf("\t\t%s = %lld (type: %s)\n",
416 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
417 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
419 zap_cursor_fini(&zc);
423 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
425 uint64_t alloc, offset, entry;
426 uint8_t mapshift = sm->sm_shift;
427 uint64_t mapstart = sm->sm_start;
428 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
429 "INVALID", "INVALID", "INVALID", "INVALID" };
431 if (smo->smo_object == 0)
435 * Print out the freelist entries in both encoded and decoded form.
438 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
439 VERIFY(0 == dmu_read(os, smo->smo_object, offset,
440 sizeof (entry), &entry));
441 if (SM_DEBUG_DECODE(entry)) {
442 (void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n",
443 (u_longlong_t)(offset / sizeof (entry)),
444 ddata[SM_DEBUG_ACTION_DECODE(entry)],
445 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
446 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
448 (void) printf("\t\t[%4llu] %c range:"
449 " %08llx-%08llx size: %06llx\n",
450 (u_longlong_t)(offset / sizeof (entry)),
451 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
452 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
453 mapshift) + mapstart),
454 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
455 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
457 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
458 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
459 alloc += SM_RUN_DECODE(entry) << mapshift;
461 alloc -= SM_RUN_DECODE(entry) << mapshift;
464 if (alloc != smo->smo_alloc) {
465 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
466 "with space map summary (%llu)\n",
467 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
472 dump_metaslab(metaslab_t *msp)
475 space_map_obj_t *smo = &msp->ms_smo;
476 vdev_t *vd = msp->ms_group->mg_vd;
477 spa_t *spa = vd->vdev_spa;
479 nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf);
481 if (dump_opt['d'] <= 5) {
482 (void) printf("\t%10llx %10llu %5s\n",
483 (u_longlong_t)msp->ms_map.sm_start,
484 (u_longlong_t)smo->smo_object,
490 "\tvdev %llu offset %08llx spacemap %4llu free %5s\n",
491 (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start,
492 (u_longlong_t)smo->smo_object, freebuf);
494 ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift));
496 dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map);
500 dump_metaslabs(spa_t *spa)
502 vdev_t *rvd = spa->spa_root_vdev;
506 (void) printf("\nMetaslabs:\n");
508 for (c = 0; c < rvd->vdev_children; c++) {
509 vd = rvd->vdev_child[c];
511 (void) printf("\n vdev %llu\n\n", (u_longlong_t)vd->vdev_id);
513 if (dump_opt['d'] <= 5) {
514 (void) printf("\t%10s %10s %5s\n",
515 "offset", "spacemap", "free");
516 (void) printf("\t%10s %10s %5s\n",
517 "------", "--------", "----");
519 for (m = 0; m < vd->vdev_ms_count; m++)
520 dump_metaslab(vd->vdev_ms[m]);
526 dump_dtl(vdev_t *vd, int indent)
528 avl_tree_t *t = &vd->vdev_dtl_map.sm_root;
534 (void) printf("\nDirty time logs:\n\n");
536 (void) printf("\t%*s%s\n", indent, "",
537 vd->vdev_path ? vd->vdev_path :
538 vd->vdev_parent ? vd->vdev_ops->vdev_op_type :
539 spa_name(vd->vdev_spa));
541 for (ss = avl_first(t); ss; ss = AVL_NEXT(t, ss)) {
543 * Everything in this DTL must appear in all parent DTL unions.
545 for (pvd = vd; pvd; pvd = pvd->vdev_parent)
546 ASSERT(vdev_dtl_contains(&pvd->vdev_dtl_map,
547 ss->ss_start, ss->ss_end - ss->ss_start));
548 (void) printf("\t%*soutage [%llu,%llu] length %llu\n",
550 (u_longlong_t)ss->ss_start,
551 (u_longlong_t)ss->ss_end - 1,
552 (u_longlong_t)(ss->ss_end - ss->ss_start));
557 if (dump_opt['d'] > 5 && vd->vdev_children == 0) {
558 dump_spacemap(vd->vdev_spa->spa_meta_objset, &vd->vdev_dtl,
563 for (c = 0; c < vd->vdev_children; c++)
564 dump_dtl(vd->vdev_child[c], indent + 4);
569 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
574 blkid2offset(dnode_phys_t *dnp, int level, uint64_t blkid)
579 return ((blkid << (level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
580 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
584 sprintf_blkptr_compact(char *blkbuf, blkptr_t *bp, int alldvas)
586 dva_t *dva = bp->blk_dva;
587 int ndvas = alldvas ? BP_GET_NDVAS(bp) : 1;
592 for (i = 0; i < ndvas; i++)
593 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
594 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
595 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
596 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
598 (void) sprintf(blkbuf + strlen(blkbuf), "%llxL/%llxP F=%llu B=%llu",
599 (u_longlong_t)BP_GET_LSIZE(bp),
600 (u_longlong_t)BP_GET_PSIZE(bp),
601 (u_longlong_t)bp->blk_fill,
602 (u_longlong_t)bp->blk_birth);
607 zdb_indirect_cb(traverse_blk_cache_t *bc, spa_t *spa, void *a)
609 zbookmark_t *zb = &bc->bc_bookmark;
610 blkptr_t *bp = &bc->bc_blkptr;
611 void *data = bc->bc_data;
612 dnode_phys_t *dnp = bc->bc_dnode;
613 char blkbuf[BP_SPRINTF_LEN + 80];
617 (void) sprintf(blkbuf,
618 "Error %d reading <%llu, %llu, %lld, %llu>: ",
620 (u_longlong_t)zb->zb_objset,
621 (u_longlong_t)zb->zb_object,
622 (u_longlong_t)zb->zb_level,
623 (u_longlong_t)zb->zb_blkid);
627 if (zb->zb_level == -1) {
628 ASSERT3U(BP_GET_TYPE(bp), ==, DMU_OT_OBJSET);
629 ASSERT3U(BP_GET_LEVEL(bp), ==, 0);
631 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
632 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
635 if (zb->zb_level > 0) {
637 blkptr_t *bpx, *bpend;
639 for (bpx = data, bpend = bpx + BP_GET_LSIZE(bp) / sizeof (*bpx);
640 bpx < bpend; bpx++) {
641 if (bpx->blk_birth != 0) {
642 fill += bpx->blk_fill;
644 ASSERT(bpx->blk_fill == 0);
647 ASSERT3U(fill, ==, bp->blk_fill);
650 if (zb->zb_level == 0 && dnp->dn_type == DMU_OT_DNODE) {
652 dnode_phys_t *dnx, *dnend;
654 for (dnx = data, dnend = dnx + (BP_GET_LSIZE(bp)>>DNODE_SHIFT);
655 dnx < dnend; dnx++) {
656 if (dnx->dn_type != DMU_OT_NONE)
659 ASSERT3U(fill, ==, bp->blk_fill);
662 (void) sprintf(blkbuf, "%16llx ",
663 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid));
665 ASSERT(zb->zb_level >= 0);
667 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
668 if (l == zb->zb_level) {
669 (void) sprintf(blkbuf + strlen(blkbuf), "L%llx",
670 (u_longlong_t)zb->zb_level);
672 (void) sprintf(blkbuf + strlen(blkbuf), " ");
677 if (bp->blk_birth == 0) {
678 (void) sprintf(blkbuf + strlen(blkbuf), "<hole>");
679 (void) printf("%s\n", blkbuf);
681 sprintf_blkptr_compact(blkbuf + strlen(blkbuf), bp,
682 dump_opt['d'] > 5 ? 1 : 0);
683 (void) printf("%s\n", blkbuf);
686 return (bc->bc_errno ? ERESTART : 0);
691 dump_indirect(objset_t *os, uint64_t object, void *data, size_t size)
693 traverse_handle_t *th;
694 uint64_t objset = dmu_objset_id(os);
695 int advance = zdb_advance;
697 (void) printf("Indirect blocks:\n");
700 advance |= ADVANCE_DATA;
702 th = traverse_init(dmu_objset_spa(os), zdb_indirect_cb, NULL, advance,
704 th->th_noread = zdb_noread;
706 traverse_add_dnode(th, 0, -1ULL, objset, object);
708 while (traverse_more(th) == EAGAIN)
718 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
720 dsl_dir_phys_t *dd = data;
727 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
729 crtime = dd->dd_creation_time;
730 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
731 (void) printf("\t\thead_dataset_obj = %llu\n",
732 (u_longlong_t)dd->dd_head_dataset_obj);
733 (void) printf("\t\tparent_dir_obj = %llu\n",
734 (u_longlong_t)dd->dd_parent_obj);
735 (void) printf("\t\torigin_obj = %llu\n",
736 (u_longlong_t)dd->dd_origin_obj);
737 (void) printf("\t\tchild_dir_zapobj = %llu\n",
738 (u_longlong_t)dd->dd_child_dir_zapobj);
739 nicenum(dd->dd_used_bytes, nice);
740 (void) printf("\t\tused_bytes = %s\n", nice);
741 nicenum(dd->dd_compressed_bytes, nice);
742 (void) printf("\t\tcompressed_bytes = %s\n", nice);
743 nicenum(dd->dd_uncompressed_bytes, nice);
744 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
745 nicenum(dd->dd_quota, nice);
746 (void) printf("\t\tquota = %s\n", nice);
747 nicenum(dd->dd_reserved, nice);
748 (void) printf("\t\treserved = %s\n", nice);
749 (void) printf("\t\tprops_zapobj = %llu\n",
750 (u_longlong_t)dd->dd_props_zapobj);
751 (void) printf("\t\tdeleg_zapobj = %llu\n",
752 (u_longlong_t)dd->dd_deleg_zapobj);
753 (void) printf("\t\tflags = %llx\n",
754 (u_longlong_t)dd->dd_flags);
757 nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
758 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
769 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
771 dsl_dataset_phys_t *ds = data;
773 char used[6], compressed[6], uncompressed[6], unique[6];
774 char blkbuf[BP_SPRINTF_LEN];
779 ASSERT(size == sizeof (*ds));
780 crtime = ds->ds_creation_time;
781 nicenum(ds->ds_used_bytes, used);
782 nicenum(ds->ds_compressed_bytes, compressed);
783 nicenum(ds->ds_uncompressed_bytes, uncompressed);
784 nicenum(ds->ds_unique_bytes, unique);
785 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ds->ds_bp);
787 (void) printf("\t\tdir_obj = %llu\n",
788 (u_longlong_t)ds->ds_dir_obj);
789 (void) printf("\t\tprev_snap_obj = %llu\n",
790 (u_longlong_t)ds->ds_prev_snap_obj);
791 (void) printf("\t\tprev_snap_txg = %llu\n",
792 (u_longlong_t)ds->ds_prev_snap_txg);
793 (void) printf("\t\tnext_snap_obj = %llu\n",
794 (u_longlong_t)ds->ds_next_snap_obj);
795 (void) printf("\t\tsnapnames_zapobj = %llu\n",
796 (u_longlong_t)ds->ds_snapnames_zapobj);
797 (void) printf("\t\tnum_children = %llu\n",
798 (u_longlong_t)ds->ds_num_children);
799 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
800 (void) printf("\t\tcreation_txg = %llu\n",
801 (u_longlong_t)ds->ds_creation_txg);
802 (void) printf("\t\tdeadlist_obj = %llu\n",
803 (u_longlong_t)ds->ds_deadlist_obj);
804 (void) printf("\t\tused_bytes = %s\n", used);
805 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
806 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
807 (void) printf("\t\tunique = %s\n", unique);
808 (void) printf("\t\tfsid_guid = %llu\n",
809 (u_longlong_t)ds->ds_fsid_guid);
810 (void) printf("\t\tguid = %llu\n",
811 (u_longlong_t)ds->ds_guid);
812 (void) printf("\t\tflags = %llx\n",
813 (u_longlong_t)ds->ds_flags);
814 (void) printf("\t\tnext_clones_obj = %llu\n",
815 (u_longlong_t)ds->ds_next_clones_obj);
816 (void) printf("\t\tprops_obj = %llu\n",
817 (u_longlong_t)ds->ds_props_obj);
818 (void) printf("\t\tbp = %s\n", blkbuf);
822 dump_bplist(objset_t *mos, uint64_t object, char *name)
824 bplist_t bpl = { 0 };
825 blkptr_t blk, *bp = &blk;
831 if (dump_opt['d'] < 3)
834 mutex_init(&bpl.bpl_lock, NULL, MUTEX_DEFAULT, NULL);
835 VERIFY(0 == bplist_open(&bpl, mos, object));
836 if (bplist_empty(&bpl)) {
838 mutex_destroy(&bpl.bpl_lock);
842 nicenum(bpl.bpl_phys->bpl_bytes, bytes);
843 if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) {
844 nicenum(bpl.bpl_phys->bpl_comp, comp);
845 nicenum(bpl.bpl_phys->bpl_uncomp, uncomp);
846 (void) printf("\n %s: %llu entries, %s (%s/%s comp)\n",
847 name, (u_longlong_t)bpl.bpl_phys->bpl_entries,
848 bytes, comp, uncomp);
850 (void) printf("\n %s: %llu entries, %s\n",
851 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes);
854 if (dump_opt['d'] < 5) {
856 mutex_destroy(&bpl.bpl_lock);
862 while (bplist_iterate(&bpl, &itor, bp) == 0) {
863 char blkbuf[BP_SPRINTF_LEN];
865 ASSERT(bp->blk_birth != 0);
866 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0);
867 (void) printf("\tItem %3llu: %s\n",
868 (u_longlong_t)itor - 1, blkbuf);
872 mutex_destroy(&bpl.bpl_lock);
875 static avl_tree_t idx_tree;
876 static avl_tree_t domain_tree;
877 static boolean_t fuid_table_loaded;
882 if (fuid_table_loaded) {
883 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
884 fuid_table_loaded = B_FALSE;
889 * print uid or gid information.
890 * For normal POSIX id just the id is printed in decimal format.
891 * For CIFS files with FUID the fuid is printed in hex followed by
892 * the doman-rid string.
895 print_idstr(uint64_t id, const char *id_type)
897 if (FUID_INDEX(id)) {
900 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
901 (void) printf("\t%s %llx [%s-%d]\n", id_type,
902 (u_longlong_t)id, domain, (int)FUID_RID(id));
904 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
910 dump_uidgid(objset_t *os, znode_phys_t *zp)
912 uint32_t uid_idx, gid_idx;
914 uid_idx = FUID_INDEX(zp->zp_uid);
915 gid_idx = FUID_INDEX(zp->zp_gid);
917 /* Load domain table, if not already loaded */
918 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
921 /* first find the fuid object. It lives in the master node */
922 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
923 8, 1, &fuid_obj) == 0);
924 (void) zfs_fuid_table_load(os, fuid_obj,
925 &idx_tree, &domain_tree);
926 fuid_table_loaded = B_TRUE;
929 print_idstr(zp->zp_uid, "uid");
930 print_idstr(zp->zp_gid, "gid");
935 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
937 znode_phys_t *zp = data;
938 time_t z_crtime, z_atime, z_mtime, z_ctime;
939 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
942 ASSERT(size >= sizeof (znode_phys_t));
944 error = zfs_obj_to_path(os, object, path, sizeof (path));
946 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
947 (u_longlong_t)object);
950 if (dump_opt['d'] < 3) {
951 (void) printf("\t%s\n", path);
955 z_crtime = (time_t)zp->zp_crtime[0];
956 z_atime = (time_t)zp->zp_atime[0];
957 z_mtime = (time_t)zp->zp_mtime[0];
958 z_ctime = (time_t)zp->zp_ctime[0];
960 (void) printf("\tpath %s\n", path);
962 (void) printf("\tatime %s", ctime(&z_atime));
963 (void) printf("\tmtime %s", ctime(&z_mtime));
964 (void) printf("\tctime %s", ctime(&z_ctime));
965 (void) printf("\tcrtime %s", ctime(&z_crtime));
966 (void) printf("\tgen %llu\n", (u_longlong_t)zp->zp_gen);
967 (void) printf("\tmode %llo\n", (u_longlong_t)zp->zp_mode);
968 (void) printf("\tsize %llu\n", (u_longlong_t)zp->zp_size);
969 (void) printf("\tparent %llu\n", (u_longlong_t)zp->zp_parent);
970 (void) printf("\tlinks %llu\n", (u_longlong_t)zp->zp_links);
971 (void) printf("\txattr %llu\n", (u_longlong_t)zp->zp_xattr);
972 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)zp->zp_rdev);
977 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
983 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
987 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = {
988 dump_none, /* unallocated */
989 dump_zap, /* object directory */
990 dump_uint64, /* object array */
991 dump_none, /* packed nvlist */
992 dump_packed_nvlist, /* packed nvlist size */
993 dump_none, /* bplist */
994 dump_none, /* bplist header */
995 dump_none, /* SPA space map header */
996 dump_none, /* SPA space map */
997 dump_none, /* ZIL intent log */
998 dump_dnode, /* DMU dnode */
999 dump_dmu_objset, /* DMU objset */
1000 dump_dsl_dir, /* DSL directory */
1001 dump_zap, /* DSL directory child map */
1002 dump_zap, /* DSL dataset snap map */
1003 dump_zap, /* DSL props */
1004 dump_dsl_dataset, /* DSL dataset */
1005 dump_znode, /* ZFS znode */
1006 dump_acl, /* ZFS V0 ACL */
1007 dump_uint8, /* ZFS plain file */
1008 dump_zpldir, /* ZFS directory */
1009 dump_zap, /* ZFS master node */
1010 dump_zap, /* ZFS delete queue */
1011 dump_uint8, /* zvol object */
1012 dump_zap, /* zvol prop */
1013 dump_uint8, /* other uint8[] */
1014 dump_uint64, /* other uint64[] */
1015 dump_zap, /* other ZAP */
1016 dump_zap, /* persistent error log */
1017 dump_uint8, /* SPA history */
1018 dump_uint64, /* SPA history offsets */
1019 dump_zap, /* Pool properties */
1020 dump_zap, /* DSL permissions */
1021 dump_acl, /* ZFS ACL */
1022 dump_uint8, /* ZFS SYSACL */
1023 dump_none, /* FUID nvlist */
1024 dump_packed_nvlist, /* FUID nvlist size */
1025 dump_zap, /* DSL dataset next clones */
1026 dump_zap, /* DSL scrub queue */
1030 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1032 dmu_buf_t *db = NULL;
1033 dmu_object_info_t doi;
1037 char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], segsize[6];
1041 if (*print_header) {
1042 (void) printf("\n Object lvl iblk dblk lsize"
1048 dn = os->os->os_meta_dnode;
1050 error = dmu_bonus_hold(os, object, FTAG, &db);
1052 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1054 bonus = db->db_data;
1055 bsize = db->db_size;
1056 dn = ((dmu_buf_impl_t *)db)->db_dnode;
1058 dmu_object_info_from_dnode(dn, &doi);
1060 nicenum(doi.doi_metadata_block_size, iblk);
1061 nicenum(doi.doi_data_block_size, dblk);
1062 nicenum(doi.doi_data_block_size * (doi.doi_max_block_offset + 1),
1064 nicenum(doi.doi_physical_blks << 9, asize);
1065 nicenum(doi.doi_bonus_size, bonus_size);
1069 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1070 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1071 zio_checksum_table[doi.doi_checksum].ci_name);
1074 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1075 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1076 zio_compress_table[doi.doi_compress].ci_name);
1079 (void) printf("%10lld %3u %5s %5s %5s %5s %s%s\n",
1080 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, lsize,
1081 asize, dmu_ot[doi.doi_type].ot_name, aux);
1083 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1084 (void) printf("%10s %3s %5s %5s %5s %5s %s\n",
1085 "", "", "", "", bonus_size, "bonus",
1086 dmu_ot[doi.doi_bonus_type].ot_name);
1089 if (verbosity >= 4) {
1090 object_viewer[doi.doi_bonus_type](os, object, bonus, bsize);
1091 object_viewer[doi.doi_type](os, object, NULL, 0);
1096 dump_indirect(os, object, NULL, 0);
1098 if (verbosity >= 5) {
1100 * Report the list of segments that comprise the object.
1104 uint64_t blkfill = 1;
1107 if (dn->dn_type == DMU_OT_DNODE) {
1109 blkfill = DNODES_PER_BLOCK;
1113 error = dnode_next_offset(dn,
1114 0, &start, minlvl, blkfill, 0);
1118 error = dnode_next_offset(dn,
1119 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1120 nicenum(end - start, segsize);
1121 (void) printf("\t\tsegment [%016llx, %016llx)"
1122 " size %5s\n", (u_longlong_t)start,
1123 (u_longlong_t)end, segsize);
1131 dmu_buf_rele(db, FTAG);
1134 static char *objset_types[DMU_OST_NUMTYPES] = {
1135 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1138 dump_dir(objset_t *os)
1140 dmu_objset_stats_t dds;
1141 uint64_t object, object_count;
1142 uint64_t refdbytes, usedobjs, scratch;
1144 char blkbuf[BP_SPRINTF_LEN];
1145 char osname[MAXNAMELEN];
1146 char *type = "UNKNOWN";
1147 int verbosity = dump_opt['d'];
1148 int print_header = 1;
1151 dmu_objset_fast_stat(os, &dds);
1153 if (dds.dds_type < DMU_OST_NUMTYPES)
1154 type = objset_types[dds.dds_type];
1156 if (dds.dds_type == DMU_OST_META) {
1157 dds.dds_creation_txg = TXG_INITIAL;
1158 usedobjs = os->os->os_rootbp->blk_fill;
1159 refdbytes = os->os->os_spa->spa_dsl_pool->
1160 dp_mos_dir->dd_phys->dd_used_bytes;
1162 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1165 ASSERT3U(usedobjs, ==, os->os->os_rootbp->blk_fill);
1167 nicenum(refdbytes, numbuf);
1169 if (verbosity >= 4) {
1170 (void) strcpy(blkbuf, ", rootbp ");
1171 sprintf_blkptr(blkbuf + strlen(blkbuf),
1172 BP_SPRINTF_LEN - strlen(blkbuf), os->os->os_rootbp);
1177 dmu_objset_name(os, osname);
1179 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1180 "%s, %llu objects%s\n",
1181 osname, type, (u_longlong_t)dmu_objset_id(os),
1182 (u_longlong_t)dds.dds_creation_txg,
1183 numbuf, (u_longlong_t)usedobjs, blkbuf);
1185 dump_intent_log(dmu_objset_zil(os));
1187 if (dmu_objset_ds(os) != NULL)
1188 dump_bplist(dmu_objset_pool(os)->dp_meta_objset,
1189 dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist");
1194 if (os->os->os_rootbp->blk_birth == 0)
1197 if (zopt_objects != 0) {
1198 for (i = 0; i < zopt_objects; i++)
1199 dump_object(os, zopt_object[i], verbosity,
1201 (void) printf("\n");
1205 dump_object(os, 0, verbosity, &print_header);
1209 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1210 dump_object(os, object, verbosity, &print_header);
1214 ASSERT3U(object_count, ==, usedobjs);
1216 (void) printf("\n");
1219 fatal("dmu_object_next() = %d", error);
1223 dump_uberblock(uberblock_t *ub)
1225 time_t timestamp = ub->ub_timestamp;
1227 (void) printf("Uberblock\n\n");
1228 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1229 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1230 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1231 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1232 (void) printf("\ttimestamp = %llu UTC = %s",
1233 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
1234 if (dump_opt['u'] >= 3) {
1235 char blkbuf[BP_SPRINTF_LEN];
1236 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ub->ub_rootbp);
1237 (void) printf("\trootbp = %s\n", blkbuf);
1239 (void) printf("\n");
1243 dump_config(const char *pool)
1247 mutex_enter(&spa_namespace_lock);
1248 while ((spa = spa_next(spa)) != NULL) {
1250 (void) printf("%s\n", spa_name(spa));
1251 if (pool == NULL || strcmp(pool, spa_name(spa)) == 0)
1252 dump_nvlist(spa->spa_config, 4);
1254 mutex_exit(&spa_namespace_lock);
1258 dump_cachefile(const char *cachefile)
1261 struct stat64 statbuf;
1265 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1266 (void) printf("cannot open '%s': %s\n", cachefile,
1271 if (fstat64(fd, &statbuf) != 0) {
1272 (void) printf("failed to stat '%s': %s\n", cachefile,
1277 if ((buf = malloc(statbuf.st_size)) == NULL) {
1278 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1279 (u_longlong_t)statbuf.st_size);
1283 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1284 (void) fprintf(stderr, "failed to read %llu bytes\n",
1285 (u_longlong_t)statbuf.st_size);
1291 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1292 (void) fprintf(stderr, "failed to unpack nvlist\n");
1298 dump_nvlist(config, 0);
1300 nvlist_free(config);
1304 dump_label(const char *dev)
1308 char *buf = label.vl_vdev_phys.vp_nvlist;
1309 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1310 struct stat64 statbuf;
1314 if ((fd = open64(dev, O_RDONLY)) < 0) {
1315 (void) printf("cannot open '%s': %s\n", dev, strerror(errno));
1319 if (fstat64(fd, &statbuf) != 0) {
1320 (void) printf("failed to stat '%s': %s\n", dev,
1325 if (S_ISCHR(statbuf.st_mode)) {
1326 if (ioctl(fd, DIOCGMEDIASIZE, &statbuf.st_size) == -1) {
1327 (void) printf("failed to get size of '%s': %s\n", dev,
1333 psize = statbuf.st_size;
1334 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1336 for (l = 0; l < VDEV_LABELS; l++) {
1338 nvlist_t *config = NULL;
1340 (void) printf("--------------------------------------------\n");
1341 (void) printf("LABEL %d\n", l);
1342 (void) printf("--------------------------------------------\n");
1344 if (pread64(fd, &label, sizeof (label),
1345 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1346 (void) printf("failed to read label %d\n", l);
1350 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1351 (void) printf("failed to unpack label %d\n", l);
1354 dump_nvlist(config, 4);
1355 nvlist_free(config);
1361 dump_one_dir(char *dsname, void *arg)
1366 error = dmu_objset_open(dsname, DMU_OST_ANY,
1367 DS_MODE_USER | DS_MODE_READONLY, &os);
1369 (void) printf("Could not open %s\n", dsname);
1373 dmu_objset_close(os);
1374 fuid_table_destroy();
1379 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
1381 vdev_t *vd = sm->sm_ppd;
1383 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
1384 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
1389 zdb_space_map_load(space_map_t *sm)
1394 zdb_space_map_unload(space_map_t *sm)
1396 space_map_vacate(sm, zdb_leak, sm);
1401 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
1405 static space_map_ops_t zdb_space_map_ops = {
1407 zdb_space_map_unload,
1409 zdb_space_map_claim,
1414 zdb_leak_init(spa_t *spa)
1416 vdev_t *rvd = spa->spa_root_vdev;
1418 for (int c = 0; c < rvd->vdev_children; c++) {
1419 vdev_t *vd = rvd->vdev_child[c];
1420 for (int m = 0; m < vd->vdev_ms_count; m++) {
1421 metaslab_t *msp = vd->vdev_ms[m];
1422 mutex_enter(&msp->ms_lock);
1423 VERIFY(space_map_load(&msp->ms_map, &zdb_space_map_ops,
1424 SM_ALLOC, &msp->ms_smo, spa->spa_meta_objset) == 0);
1425 msp->ms_map.sm_ppd = vd;
1426 mutex_exit(&msp->ms_lock);
1432 zdb_leak_fini(spa_t *spa)
1434 vdev_t *rvd = spa->spa_root_vdev;
1436 for (int c = 0; c < rvd->vdev_children; c++) {
1437 vdev_t *vd = rvd->vdev_child[c];
1438 for (int m = 0; m < vd->vdev_ms_count; m++) {
1439 metaslab_t *msp = vd->vdev_ms[m];
1440 mutex_enter(&msp->ms_lock);
1441 space_map_unload(&msp->ms_map);
1442 mutex_exit(&msp->ms_lock);
1448 * Verify that the sum of the sizes of all blocks in the pool adds up
1449 * to the SPA's sa_alloc total.
1451 typedef struct zdb_blkstats {
1458 #define DMU_OT_DEFERRED DMU_OT_NONE
1459 #define DMU_OT_TOTAL DMU_OT_NUMTYPES
1461 #define ZB_TOTAL ZB_MAXLEVEL
1463 typedef struct zdb_cb {
1464 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][DMU_OT_TOTAL + 1];
1465 uint64_t zcb_errors[256];
1466 traverse_blk_cache_t *zcb_cache;
1472 zdb_count_block(spa_t *spa, zdb_cb_t *zcb, blkptr_t *bp, int type)
1474 for (int i = 0; i < 4; i++) {
1475 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
1476 int t = (i & 1) ? type : DMU_OT_TOTAL;
1477 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1479 zb->zb_asize += BP_GET_ASIZE(bp);
1480 zb->zb_lsize += BP_GET_LSIZE(bp);
1481 zb->zb_psize += BP_GET_PSIZE(bp);
1485 if (dump_opt['S']) {
1486 boolean_t print_sig;
1488 print_sig = !zdb_sig_user_data || (BP_GET_LEVEL(bp) == 0 &&
1489 BP_GET_TYPE(bp) == DMU_OT_PLAIN_FILE_CONTENTS);
1491 if (BP_GET_CHECKSUM(bp) < zdb_sig_cksumalg)
1492 print_sig = B_FALSE;
1495 (void) printf("%llu\t%lld\t%lld\t%s\t%s\t%s\t"
1496 "%llx:%llx:%llx:%llx\n",
1497 (u_longlong_t)BP_GET_LEVEL(bp),
1498 (longlong_t)BP_GET_PSIZE(bp),
1499 (longlong_t)BP_GET_NDVAS(bp),
1500 dmu_ot[BP_GET_TYPE(bp)].ot_name,
1501 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name,
1502 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name,
1503 (u_longlong_t)bp->blk_cksum.zc_word[0],
1504 (u_longlong_t)bp->blk_cksum.zc_word[1],
1505 (u_longlong_t)bp->blk_cksum.zc_word[2],
1506 (u_longlong_t)bp->blk_cksum.zc_word[3]);
1511 VERIFY(zio_wait(zio_claim(NULL, spa, spa_first_txg(spa), bp,
1512 NULL, NULL, ZIO_FLAG_MUSTSUCCEED)) == 0);
1516 zdb_blkptr_cb(traverse_blk_cache_t *bc, spa_t *spa, void *arg)
1518 zbookmark_t *zb = &bc->bc_bookmark;
1519 zdb_cb_t *zcb = arg;
1520 blkptr_t *bp = &bc->bc_blkptr;
1521 dmu_object_type_t type = BP_GET_TYPE(bp);
1522 char blkbuf[BP_SPRINTF_LEN];
1525 ASSERT(!BP_IS_HOLE(bp));
1527 zdb_count_block(spa, zcb, bp, type);
1530 if (zcb->zcb_readfails++ < 10 && dump_opt['L']) {
1532 vdev_uberblock_load(NULL, spa->spa_root_vdev, &ub);
1534 spa->spa_ubsync = ub;
1537 zcb->zcb_haderrors = 1;
1538 zcb->zcb_errors[bc->bc_errno]++;
1542 if (dump_opt['b'] >= 3 || (dump_opt['b'] >= 2 && bc->bc_errno))
1543 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp);
1547 if (!dump_opt['S']) {
1548 (void) printf("zdb_blkptr_cb: Got error %d reading "
1549 "<%llu, %llu, %lld, %llx> %s -- %s\n",
1551 (u_longlong_t)zb->zb_objset,
1552 (u_longlong_t)zb->zb_object,
1553 (u_longlong_t)zb->zb_level,
1554 (u_longlong_t)zb->zb_blkid,
1556 error == EAGAIN ? "retrying" : "skipping");
1562 zcb->zcb_readfails = 0;
1564 if (dump_opt['b'] >= 4) {
1565 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp);
1566 (void) printf("objset %llu object %llu offset 0x%llx %s\n",
1567 (u_longlong_t)zb->zb_objset,
1568 (u_longlong_t)zb->zb_object,
1569 (u_longlong_t)blkid2offset(bc->bc_dnode,
1570 zb->zb_level, zb->zb_blkid), blkbuf);
1577 dump_block_stats(spa_t *spa)
1579 traverse_handle_t *th;
1580 zdb_cb_t zcb = { 0 };
1581 traverse_blk_cache_t dummy_cache = { 0 };
1582 zdb_blkstats_t *zb, *tzb;
1583 uint64_t alloc, space, logalloc;
1584 vdev_t *rvd = spa->spa_root_vdev;
1586 int advance = zdb_advance;
1589 zcb.zcb_cache = &dummy_cache;
1591 if (dump_opt['c'] || dump_opt['S'])
1592 advance |= ADVANCE_DATA;
1594 advance |= ADVANCE_PRUNE | ADVANCE_ZIL;
1596 if (!dump_opt['S']) {
1597 (void) printf("\nTraversing all blocks to %sverify"
1598 " nothing leaked ...\n",
1599 dump_opt['c'] ? "verify checksums and " : "");
1603 * Load all space maps as SM_ALLOC maps, then traverse the pool
1604 * claiming each block we discover. If the pool is perfectly
1605 * consistent, the space maps will be empty when we're done.
1606 * Anything left over is a leak; any block we can't claim (because
1607 * it's not part of any space map) is a double allocation,
1608 * reference to a freed block, or an unclaimed log block.
1614 * If there's a deferred-free bplist, process that first.
1616 if (spa->spa_sync_bplist_obj != 0) {
1617 bplist_t *bpl = &spa->spa_sync_bplist;
1621 VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset,
1622 spa->spa_sync_bplist_obj));
1624 while (bplist_iterate(bpl, &itor, &blk) == 0) {
1625 if (dump_opt['b'] >= 4) {
1626 char blkbuf[BP_SPRINTF_LEN];
1627 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &blk);
1628 (void) printf("[%s] %s\n",
1629 "deferred free", blkbuf);
1631 zdb_count_block(spa, &zcb, &blk, DMU_OT_DEFERRED);
1638 * Now traverse the pool. If we're reading all data to verify
1639 * checksums, do a scrubbing read so that we validate all copies.
1641 flags = ZIO_FLAG_CANFAIL;
1642 if (advance & ADVANCE_DATA)
1643 flags |= ZIO_FLAG_SCRUB;
1644 th = traverse_init(spa, zdb_blkptr_cb, &zcb, advance, flags);
1645 th->th_noread = zdb_noread;
1647 traverse_add_pool(th, 0, spa_first_txg(spa) + TXG_CONCURRENT_STATES);
1649 while (traverse_more(th) == EAGAIN)
1654 if (zcb.zcb_haderrors && !dump_opt['S']) {
1655 (void) printf("\nError counts:\n\n");
1656 (void) printf("\t%5s %s\n", "errno", "count");
1657 for (e = 0; e < 256; e++) {
1658 if (zcb.zcb_errors[e] != 0) {
1659 (void) printf("\t%5d %llu\n",
1660 e, (u_longlong_t)zcb.zcb_errors[e]);
1666 * Report any leaked segments.
1672 * If we're interested in printing out the blkptr signatures,
1673 * return now as we don't print out anything else (including
1674 * errors and leaks).
1677 return (zcb.zcb_haderrors ? 3 : 0);
1680 (void) printf("\n\n *** Live pool traversal; "
1681 "block counts are only approximate ***\n\n");
1683 alloc = spa_get_alloc(spa);
1684 space = spa_get_space(spa);
1687 * Log blocks allocated from a separate log device don't count
1688 * as part of the normal pool space; factor them in here.
1692 for (c = 0; c < rvd->vdev_children; c++)
1693 if (rvd->vdev_child[c]->vdev_islog)
1694 logalloc += rvd->vdev_child[c]->vdev_stat.vs_alloc;
1696 tzb = &zcb.zcb_type[ZB_TOTAL][DMU_OT_TOTAL];
1698 if (tzb->zb_asize == alloc + logalloc) {
1699 (void) printf("\n\tNo leaks (block sum matches space"
1700 " maps exactly)\n");
1702 (void) printf("block traversal size %llu != alloc %llu "
1704 (u_longlong_t)tzb->zb_asize,
1705 (u_longlong_t)alloc + logalloc,
1706 (u_longlong_t)(alloc + logalloc - tzb->zb_asize));
1710 if (tzb->zb_count == 0)
1713 (void) printf("\n");
1714 (void) printf("\tbp count: %10llu\n",
1715 (u_longlong_t)tzb->zb_count);
1716 (void) printf("\tbp logical: %10llu\t avg: %6llu\n",
1717 (u_longlong_t)tzb->zb_lsize,
1718 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
1719 (void) printf("\tbp physical: %10llu\t avg:"
1720 " %6llu\tcompression: %6.2f\n",
1721 (u_longlong_t)tzb->zb_psize,
1722 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
1723 (double)tzb->zb_lsize / tzb->zb_psize);
1724 (void) printf("\tbp allocated: %10llu\t avg:"
1725 " %6llu\tcompression: %6.2f\n",
1726 (u_longlong_t)tzb->zb_asize,
1727 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
1728 (double)tzb->zb_lsize / tzb->zb_asize);
1729 (void) printf("\tSPA allocated: %10llu\tused: %5.2f%%\n",
1730 (u_longlong_t)alloc, 100.0 * alloc / space);
1732 if (dump_opt['b'] >= 2) {
1734 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
1735 "\t avg\t comp\t%%Total\tType\n");
1737 for (t = 0; t <= DMU_OT_NUMTYPES; t++) {
1738 char csize[6], lsize[6], psize[6], asize[6], avg[6];
1741 typename = t == DMU_OT_DEFERRED ? "deferred free" :
1742 t == DMU_OT_TOTAL ? "Total" : dmu_ot[t].ot_name;
1744 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
1745 (void) printf("%6s\t%5s\t%5s\t%5s"
1746 "\t%5s\t%5s\t%6s\t%s\n",
1758 for (l = ZB_TOTAL - 1; l >= -1; l--) {
1759 level = (l == -1 ? ZB_TOTAL : l);
1760 zb = &zcb.zcb_type[level][t];
1762 if (zb->zb_asize == 0)
1765 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
1768 if (level == 0 && zb->zb_asize ==
1769 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
1772 nicenum(zb->zb_count, csize);
1773 nicenum(zb->zb_lsize, lsize);
1774 nicenum(zb->zb_psize, psize);
1775 nicenum(zb->zb_asize, asize);
1776 nicenum(zb->zb_asize / zb->zb_count, avg);
1778 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
1780 csize, lsize, psize, asize, avg,
1781 (double)zb->zb_lsize / zb->zb_psize,
1782 100.0 * zb->zb_asize / tzb->zb_asize);
1784 if (level == ZB_TOTAL)
1785 (void) printf("%s\n", typename);
1787 (void) printf(" L%d %s\n",
1793 (void) printf("\n");
1798 if (zcb.zcb_haderrors)
1805 dump_zpool(spa_t *spa)
1807 dsl_pool_t *dp = spa_get_dsl(spa);
1811 dump_uberblock(&spa->spa_uberblock);
1813 if (dump_opt['d'] || dump_opt['i']) {
1814 dump_dir(dp->dp_meta_objset);
1815 if (dump_opt['d'] >= 3) {
1816 dump_bplist(dp->dp_meta_objset,
1817 spa->spa_sync_bplist_obj, "Deferred frees");
1818 dump_dtl(spa->spa_root_vdev, 0);
1819 dump_metaslabs(spa);
1821 (void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL,
1822 DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
1825 if (dump_opt['b'] || dump_opt['c'] || dump_opt['S'])
1826 rc = dump_block_stats(spa);
1829 show_pool_stats(spa);
1835 #define ZDB_FLAG_CHECKSUM 0x0001
1836 #define ZDB_FLAG_DECOMPRESS 0x0002
1837 #define ZDB_FLAG_BSWAP 0x0004
1838 #define ZDB_FLAG_GBH 0x0008
1839 #define ZDB_FLAG_INDIRECT 0x0010
1840 #define ZDB_FLAG_PHYS 0x0020
1841 #define ZDB_FLAG_RAW 0x0040
1842 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
1847 zdb_print_blkptr(blkptr_t *bp, int flags)
1849 dva_t *dva = bp->blk_dva;
1852 if (flags & ZDB_FLAG_BSWAP)
1853 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
1855 * Super-ick warning: This code is also duplicated in
1856 * cmd/mdb/common/modules/zfs/zfs.c . Yeah, I hate code
1859 for (d = 0; d < BP_GET_NDVAS(bp); d++) {
1860 (void) printf("\tDVA[%d]: vdev_id %lld / %llx\n", d,
1861 (longlong_t)DVA_GET_VDEV(&dva[d]),
1862 (longlong_t)DVA_GET_OFFSET(&dva[d]));
1863 (void) printf("\tDVA[%d]: GANG: %-5s GRID: %04llx\t"
1865 DVA_GET_GANG(&dva[d]) ? "TRUE" : "FALSE",
1866 (longlong_t)DVA_GET_GRID(&dva[d]),
1867 (longlong_t)DVA_GET_ASIZE(&dva[d]));
1868 (void) printf("\tDVA[%d]: :%llu:%llx:%llx:%s%s%s%s\n", d,
1869 (u_longlong_t)DVA_GET_VDEV(&dva[d]),
1870 (longlong_t)DVA_GET_OFFSET(&dva[d]),
1871 (longlong_t)BP_GET_PSIZE(bp),
1872 BP_SHOULD_BYTESWAP(bp) ? "e" : "",
1873 !DVA_GET_GANG(&dva[d]) && BP_GET_LEVEL(bp) != 0 ?
1875 DVA_GET_GANG(&dva[d]) ? "g" : "",
1876 BP_GET_COMPRESS(bp) != 0 ? "d" : "");
1878 (void) printf("\tLSIZE: %-16llx\t\tPSIZE: %llx\n",
1879 (longlong_t)BP_GET_LSIZE(bp), (longlong_t)BP_GET_PSIZE(bp));
1880 (void) printf("\tENDIAN: %6s\t\t\t\t\tTYPE: %s\n",
1881 BP_GET_BYTEORDER(bp) ? "LITTLE" : "BIG",
1882 dmu_ot[BP_GET_TYPE(bp)].ot_name);
1883 (void) printf("\tBIRTH: %-16llx LEVEL: %-2llu\tFILL: %llx\n",
1884 (u_longlong_t)bp->blk_birth, (u_longlong_t)BP_GET_LEVEL(bp),
1885 (u_longlong_t)bp->blk_fill);
1886 (void) printf("\tCKFUNC: %-16s\t\tCOMP: %s\n",
1887 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name,
1888 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name);
1889 (void) printf("\tCKSUM: %llx:%llx:%llx:%llx\n",
1890 (u_longlong_t)bp->blk_cksum.zc_word[0],
1891 (u_longlong_t)bp->blk_cksum.zc_word[1],
1892 (u_longlong_t)bp->blk_cksum.zc_word[2],
1893 (u_longlong_t)bp->blk_cksum.zc_word[3]);
1897 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
1901 for (i = 0; i < nbps; i++)
1902 zdb_print_blkptr(&bp[i], flags);
1906 zdb_dump_gbh(void *buf, int flags)
1908 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
1912 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
1914 if (flags & ZDB_FLAG_BSWAP)
1915 byteswap_uint64_array(buf, size);
1916 (void) write(2, buf, size);
1920 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
1922 uint64_t *d = (uint64_t *)buf;
1923 int nwords = size / sizeof (uint64_t);
1924 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
1930 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
1932 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
1934 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
1936 for (i = 0; i < nwords; i += 2) {
1937 (void) printf("%06llx: %016llx %016llx ",
1938 (u_longlong_t)(i * sizeof (uint64_t)),
1939 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
1940 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
1943 for (j = 0; j < 2 * sizeof (uint64_t); j++)
1944 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
1945 (void) printf("\n");
1950 * There are two acceptable formats:
1951 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
1952 * child[.child]* - For example: 0.1.1
1954 * The second form can be used to specify arbitrary vdevs anywhere
1955 * in the heirarchy. For example, in a pool with a mirror of
1956 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
1959 zdb_vdev_lookup(vdev_t *vdev, char *path)
1967 /* First, assume the x.x.x.x format */
1968 i = (int)strtoul(path, &s, 10);
1969 if (s == path || (s && *s != '.' && *s != '\0'))
1971 if (i < 0 || i >= vdev->vdev_children)
1974 vdev = vdev->vdev_child[i];
1977 return (zdb_vdev_lookup(vdev, s+1));
1980 for (i = 0; i < vdev->vdev_children; i++) {
1981 vdev_t *vc = vdev->vdev_child[i];
1983 if (vc->vdev_path == NULL) {
1984 vc = zdb_vdev_lookup(vc, path);
1991 p = strrchr(vc->vdev_path, '/');
1992 p = p ? p + 1 : vc->vdev_path;
1993 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
1995 if (strcmp(vc->vdev_path, path) == 0)
1997 if (strcmp(p, path) == 0)
1999 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
2007 * Read a block from a pool and print it out. The syntax of the
2008 * block descriptor is:
2010 * pool:vdev_specifier:offset:size[:flags]
2012 * pool - The name of the pool you wish to read from
2013 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
2014 * offset - offset, in hex, in bytes
2015 * size - Amount of data to read, in hex, in bytes
2016 * flags - A string of characters specifying options
2017 * b: Decode a blkptr at given offset within block
2018 * *c: Calculate and display checksums
2019 * *d: Decompress data before dumping
2020 * e: Byteswap data before dumping
2021 * *g: Display data as a gang block header
2022 * *i: Display as an indirect block
2023 * p: Do I/O to physical offset
2024 * r: Dump raw data to stdout
2026 * * = not yet implemented
2029 zdb_read_block(char *thing, spa_t **spap)
2033 uint64_t offset = 0, size = 0, blkptr_offset = 0;
2037 char *s, *p, *dup, *pool, *vdev, *flagstr;
2038 int i, error, zio_flags;
2040 dup = strdup(thing);
2041 s = strtok(dup, ":");
2043 s = strtok(NULL, ":");
2045 s = strtok(NULL, ":");
2046 offset = strtoull(s ? s : "", NULL, 16);
2047 s = strtok(NULL, ":");
2048 size = strtoull(s ? s : "", NULL, 16);
2049 s = strtok(NULL, ":");
2050 flagstr = s ? s : "";
2054 s = "size must not be zero";
2055 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2056 s = "size must be a multiple of sector size";
2057 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2058 s = "offset must be a multiple of sector size";
2060 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2065 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2066 for (i = 0; flagstr[i]; i++) {
2067 int bit = flagbits[(uchar_t)flagstr[i]];
2070 (void) printf("***Invalid flag: %c\n",
2076 /* If it's not something with an argument, keep going */
2077 if ((bit & (ZDB_FLAG_CHECKSUM | ZDB_FLAG_DECOMPRESS |
2078 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2081 p = &flagstr[i + 1];
2082 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2083 blkptr_offset = strtoull(p, &p, 16);
2084 if (*p != ':' && *p != '\0') {
2085 (void) printf("***Invalid flag arg: '%s'\n", s);
2092 if (spa == NULL || strcmp(spa_name(spa), pool) != 0) {
2094 spa_close(spa, (void *)zdb_read_block);
2095 error = spa_open(pool, spap, (void *)zdb_read_block);
2097 fatal("Failed to open pool '%s': %s",
2098 pool, strerror(error));
2102 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2104 (void) printf("***Invalid vdev: %s\n", vdev);
2109 (void) printf("Found vdev: %s\n", vd->vdev_path);
2111 (void) printf("Found vdev type: %s\n",
2112 vd->vdev_ops->vdev_op_type);
2115 buf = umem_alloc(size, UMEM_NOFAIL);
2117 zio_flags = ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2118 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY;
2120 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
2121 zio = zio_root(spa, NULL, NULL, 0);
2122 /* XXX todo - cons up a BP so RAID-Z will be happy */
2123 zio_nowait(zio_vdev_child_io(zio, NULL, vd, offset, buf, size,
2124 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, zio_flags, NULL, NULL));
2125 error = zio_wait(zio);
2126 spa_config_exit(spa, SCL_STATE, FTAG);
2129 (void) printf("Read of %s failed, error: %d\n", thing, error);
2133 if (flags & ZDB_FLAG_PRINT_BLKPTR)
2134 zdb_print_blkptr((blkptr_t *)(void *)
2135 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
2136 else if (flags & ZDB_FLAG_RAW)
2137 zdb_dump_block_raw(buf, size, flags);
2138 else if (flags & ZDB_FLAG_INDIRECT)
2139 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
2141 else if (flags & ZDB_FLAG_GBH)
2142 zdb_dump_gbh(buf, flags);
2144 zdb_dump_block(thing, buf, size, flags);
2147 umem_free(buf, size);
2152 nvlist_string_match(nvlist_t *config, char *name, char *tgt)
2156 if (nvlist_lookup_string(config, name, &s) != 0)
2159 return (strcmp(s, tgt) == 0);
2163 nvlist_uint64_match(nvlist_t *config, char *name, uint64_t tgt)
2167 if (nvlist_lookup_uint64(config, name, &val) != 0)
2170 return (val == tgt);
2174 vdev_child_guid_match(nvlist_t *vdev, uint64_t guid)
2179 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN,
2180 &child, &children) == 0);
2181 for (c = 0; c < children; ++c)
2182 if (nvlist_uint64_match(child[c], ZPOOL_CONFIG_GUID, guid))
2188 vdev_child_string_match(nvlist_t *vdev, char *tgt)
2193 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN,
2194 &child, &children) == 0);
2195 for (c = 0; c < children; ++c) {
2196 if (nvlist_string_match(child[c], ZPOOL_CONFIG_PATH, tgt) ||
2197 nvlist_string_match(child[c], ZPOOL_CONFIG_DEVID, tgt))
2204 vdev_guid_match(nvlist_t *config, uint64_t guid)
2208 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2211 return (nvlist_uint64_match(nvroot, ZPOOL_CONFIG_GUID, guid) ||
2212 vdev_child_guid_match(nvroot, guid));
2216 vdev_string_match(nvlist_t *config, char *tgt)
2220 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2223 return (vdev_child_string_match(nvroot, tgt));
2227 pool_match(nvlist_t *config, char *tgt)
2229 uint64_t guid = strtoull(tgt, NULL, 0);
2233 nvlist_uint64_match(config, ZPOOL_CONFIG_POOL_GUID, guid) ||
2234 vdev_guid_match(config, guid));
2237 nvlist_string_match(config, ZPOOL_CONFIG_POOL_NAME, tgt) ||
2238 vdev_string_match(config, tgt));
2243 find_exported_zpool(char *pool_id, nvlist_t **configp, char *vdev_dir)
2247 nvlist_t *match = NULL;
2249 if (vdev_dir != NULL)
2250 pools = zpool_find_import_activeok(g_zfs, 1, &vdev_dir);
2252 pools = zpool_find_import_activeok(g_zfs, 0, NULL);
2254 if (pools != NULL) {
2255 nvpair_t *elem = NULL;
2257 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2258 verify(nvpair_value_nvlist(elem, configp) == 0);
2259 if (pool_match(*configp, pool_id)) {
2260 if (match != NULL) {
2262 "More than one matching pool - "
2263 "specify guid/devid/device path.");
2272 *configp = error ? NULL : match;
2278 main(int argc, char **argv)
2281 struct rlimit rl = { 1024, 1024 };
2283 objset_t *os = NULL;
2290 char *vdev_dir = NULL;
2292 (void) setrlimit(RLIMIT_NOFILE, &rl);
2293 (void) enable_extended_FILE_stdio(-1, -1);
2295 dprintf_setup(&argc, argv);
2297 while ((c = getopt(argc, argv, "udibcsvCLO:B:S:U:lRep:")) != -1) {
2316 if (endstr[0] == '!') {
2322 if (strcmp(endstr, "post") == 0) {
2325 } else if (strcmp(endstr, "pre") == 0) {
2327 } else if (strcmp(endstr, "prune") == 0) {
2328 flag = ADVANCE_PRUNE;
2329 } else if (strcmp(endstr, "data") == 0) {
2330 flag = ADVANCE_DATA;
2331 } else if (strcmp(endstr, "holes") == 0) {
2332 flag = ADVANCE_HOLES;
2337 zdb_advance |= flag;
2339 zdb_advance &= ~flag;
2342 endstr = optarg - 1;
2343 zdb_noread.zb_objset = strtoull(endstr + 1, &endstr, 0);
2344 zdb_noread.zb_object = strtoull(endstr + 1, &endstr, 0);
2345 zdb_noread.zb_level = strtol(endstr + 1, &endstr, 0);
2346 zdb_noread.zb_blkid = strtoull(endstr + 1, &endstr, 16);
2347 (void) printf("simulating bad block "
2348 "<%llu, %llu, %lld, %llx>\n",
2349 (u_longlong_t)zdb_noread.zb_objset,
2350 (u_longlong_t)zdb_noread.zb_object,
2351 (u_longlong_t)zdb_noread.zb_level,
2352 (u_longlong_t)zdb_noread.zb_blkid);
2358 spa_config_path = optarg;
2369 zdb_sig_user_data = (strncmp(optarg, "user:", 5) == 0);
2370 if (!zdb_sig_user_data && strncmp(optarg, "all:", 4))
2372 endstr = strchr(optarg, ':') + 1;
2373 if (strcmp(endstr, "fletcher2") == 0)
2374 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2;
2375 else if (strcmp(endstr, "fletcher4") == 0)
2376 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_4;
2377 else if (strcmp(endstr, "sha256") == 0)
2378 zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256;
2379 else if (strcmp(endstr, "all") == 0)
2380 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2;
2390 if (vdev_dir != NULL && exported == 0)
2391 (void) fatal("-p option requires use of -e\n");
2394 g_zfs = libzfs_init();
2395 ASSERT(g_zfs != NULL);
2398 * Disable vdev caching. If we don't do this, live pool traversal
2399 * won't make progress because it will never see disk updates.
2401 zfs_vdev_cache_size = 0;
2403 for (c = 0; c < 256; c++) {
2404 if (dump_all && c != 'L' && c != 'l' && c != 'R')
2407 dump_opt[c] += verbose;
2414 if (dump_opt['C']) {
2415 dump_cachefile(spa_config_path);
2421 if (dump_opt['l']) {
2422 dump_label(argv[0]);
2426 if (dump_opt['R']) {
2427 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
2428 flagbits['c'] = ZDB_FLAG_CHECKSUM;
2429 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
2430 flagbits['e'] = ZDB_FLAG_BSWAP;
2431 flagbits['g'] = ZDB_FLAG_GBH;
2432 flagbits['i'] = ZDB_FLAG_INDIRECT;
2433 flagbits['p'] = ZDB_FLAG_PHYS;
2434 flagbits['r'] = ZDB_FLAG_RAW;
2438 zdb_read_block(argv[0], &spa);
2443 spa_close(spa, (void *)zdb_read_block);
2448 dump_config(argv[0]);
2453 * Check to see if the name refers to an exported zpool
2456 nvlist_t *exported_conf = NULL;
2458 if ((slash = strchr(argv[0], '/')) != NULL)
2461 error = find_exported_zpool(argv[0], &exported_conf, vdev_dir);
2463 nvlist_t *nvl = NULL;
2465 if (vdev_dir != NULL) {
2466 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
2468 else if (nvlist_add_string(nvl,
2469 zpool_prop_to_name(ZPOOL_PROP_ALTROOT),
2475 error = spa_import_faulted(argv[0],
2476 exported_conf, nvl);
2486 if (strchr(argv[0], '/') != NULL) {
2487 error = dmu_objset_open(argv[0], DMU_OST_ANY,
2488 DS_MODE_USER | DS_MODE_READONLY, &os);
2490 error = spa_open(argv[0], &spa, FTAG);
2495 fatal("can't open %s: %s", argv[0], strerror(error));
2499 zopt_objects = argc;
2500 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
2501 for (i = 0; i < zopt_objects; i++) {
2503 zopt_object[i] = strtoull(argv[i], NULL, 0);
2504 if (zopt_object[i] == 0 && errno != 0)
2505 fatal("bad object number %s: %s",
2506 argv[i], strerror(errno));
2512 dmu_objset_close(os);
2515 spa_close(spa, FTAG);
2518 fuid_table_destroy();