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]
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2012 by Delphix. All rights reserved.
28 #include <stdio_ext.h>
31 #include <sys/zfs_context.h>
33 #include <sys/spa_impl.h>
36 #include <sys/fs/zfs.h>
37 #include <sys/zfs_znode.h>
38 #include <sys/zfs_sa.h>
40 #include <sys/sa_impl.h>
42 #include <sys/vdev_impl.h>
43 #include <sys/metaslab_impl.h>
44 #include <sys/dmu_objset.h>
45 #include <sys/dsl_dir.h>
46 #include <sys/dsl_dataset.h>
47 #include <sys/dsl_pool.h>
50 #include <sys/zil_impl.h>
52 #include <sys/resource.h>
53 #include <sys/dmu_traverse.h>
54 #include <sys/zio_checksum.h>
55 #include <sys/zio_compress.h>
56 #include <sys/zfs_fuid.h>
59 #include <sys/zfeature.h>
63 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
64 zio_compress_table[(idx)].ci_name : "UNKNOWN")
65 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
66 zio_checksum_table[(idx)].ci_name : "UNKNOWN")
67 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \
68 dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \
69 dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN")
70 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \
71 (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \
72 DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES))
75 extern int zfs_recover;
80 const char cmdname[] = "zdb";
81 uint8_t dump_opt[256];
83 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
85 extern void dump_intent_log(zilog_t *);
86 uint64_t *zopt_object = NULL;
88 libzfs_handle_t *g_zfs;
91 * These libumem hooks provide a reasonable set of defaults for the allocator's
92 * debugging facilities.
95 _umem_debug_init(void)
97 return ("default,verbose"); /* $UMEM_DEBUG setting */
101 _umem_logging_init(void)
103 return ("fail,contents"); /* $UMEM_LOGGING setting */
109 (void) fprintf(stderr,
110 "Usage: %s [-CumdibcsDvhLXFPA] [-t txg] [-e [-p path...]] "
111 "poolname [object...]\n"
112 " %s [-divPA] [-e -p path...] dataset [object...]\n"
113 " %s -m [-LXFPA] [-t txg] [-e [-p path...]] "
114 "poolname [vdev [metaslab...]]\n"
115 " %s -R [-A] [-e [-p path...]] poolname "
116 "vdev:offset:size[:flags]\n"
117 " %s -S [-PA] [-e [-p path...]] poolname\n"
118 " %s -l [-uA] device\n"
119 " %s -C [-A] [-U config]\n\n",
120 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
122 (void) fprintf(stderr, " Dataset name must include at least one "
123 "separator character '/' or '@'\n");
124 (void) fprintf(stderr, " If dataset name is specified, only that "
125 "dataset is dumped\n");
126 (void) fprintf(stderr, " If object numbers are specified, only "
127 "those objects are dumped\n\n");
128 (void) fprintf(stderr, " Options to control amount of output:\n");
129 (void) fprintf(stderr, " -u uberblock\n");
130 (void) fprintf(stderr, " -d dataset(s)\n");
131 (void) fprintf(stderr, " -i intent logs\n");
132 (void) fprintf(stderr, " -C config (or cachefile if alone)\n");
133 (void) fprintf(stderr, " -h pool history\n");
134 (void) fprintf(stderr, " -b block statistics\n");
135 (void) fprintf(stderr, " -m metaslabs\n");
136 (void) fprintf(stderr, " -c checksum all metadata (twice for "
137 "all data) blocks\n");
138 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
139 (void) fprintf(stderr, " -D dedup statistics\n");
140 (void) fprintf(stderr, " -S simulate dedup to measure effect\n");
141 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
142 (void) fprintf(stderr, " -l dump label contents\n");
143 (void) fprintf(stderr, " -L disable leak tracking (do not "
144 "load spacemaps)\n");
145 (void) fprintf(stderr, " -R read and display block from a "
147 (void) fprintf(stderr, " Below options are intended for use "
148 "with other options (except -l):\n");
149 (void) fprintf(stderr, " -A ignore assertions (-A), enable "
150 "panic recovery (-AA) or both (-AAA)\n");
151 (void) fprintf(stderr, " -F attempt automatic rewind within "
152 "safe range of transaction groups\n");
153 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
155 (void) fprintf(stderr, " -X attempt extreme rewind (does not "
156 "work with dataset)\n");
157 (void) fprintf(stderr, " -e pool is exported/destroyed/"
158 "has altroot/not in a cachefile\n");
159 (void) fprintf(stderr, " -p <path> -- use one or more with "
160 "-e to specify path to vdev dir\n");
161 (void) fprintf(stderr, " -P print numbers in parseable form\n");
162 (void) fprintf(stderr, " -t <txg> -- highest txg to use when "
163 "searching for uberblocks\n");
164 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
165 "to make only that option verbose\n");
166 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
171 * Called for usage errors that are discovered after a call to spa_open(),
172 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
176 fatal(const char *fmt, ...)
181 (void) fprintf(stderr, "%s: ", cmdname);
182 (void) vfprintf(stderr, fmt, ap);
184 (void) fprintf(stderr, "\n");
191 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
194 size_t nvsize = *(uint64_t *)data;
195 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
197 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
199 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
201 umem_free(packed, nvsize);
209 zdb_nicenum(uint64_t num, char *buf)
212 (void) sprintf(buf, "%llu", (longlong_t)num);
217 const char dump_zap_stars[] = "****************************************";
218 const int dump_zap_width = sizeof (dump_zap_stars) - 1;
221 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
224 int minidx = ZAP_HISTOGRAM_SIZE - 1;
228 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
231 if (histo[i] > 0 && i > maxidx)
233 if (histo[i] > 0 && i < minidx)
237 if (max < dump_zap_width)
238 max = dump_zap_width;
240 for (i = minidx; i <= maxidx; i++)
241 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
242 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
246 dump_zap_stats(objset_t *os, uint64_t object)
251 error = zap_get_stats(os, object, &zs);
255 if (zs.zs_ptrtbl_len == 0) {
256 ASSERT(zs.zs_num_blocks == 1);
257 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
258 (u_longlong_t)zs.zs_blocksize,
259 (u_longlong_t)zs.zs_num_entries);
263 (void) printf("\tFat ZAP stats:\n");
265 (void) printf("\t\tPointer table:\n");
266 (void) printf("\t\t\t%llu elements\n",
267 (u_longlong_t)zs.zs_ptrtbl_len);
268 (void) printf("\t\t\tzt_blk: %llu\n",
269 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
270 (void) printf("\t\t\tzt_numblks: %llu\n",
271 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
272 (void) printf("\t\t\tzt_shift: %llu\n",
273 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
274 (void) printf("\t\t\tzt_blks_copied: %llu\n",
275 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
276 (void) printf("\t\t\tzt_nextblk: %llu\n",
277 (u_longlong_t)zs.zs_ptrtbl_nextblk);
279 (void) printf("\t\tZAP entries: %llu\n",
280 (u_longlong_t)zs.zs_num_entries);
281 (void) printf("\t\tLeaf blocks: %llu\n",
282 (u_longlong_t)zs.zs_num_leafs);
283 (void) printf("\t\tTotal blocks: %llu\n",
284 (u_longlong_t)zs.zs_num_blocks);
285 (void) printf("\t\tzap_block_type: 0x%llx\n",
286 (u_longlong_t)zs.zs_block_type);
287 (void) printf("\t\tzap_magic: 0x%llx\n",
288 (u_longlong_t)zs.zs_magic);
289 (void) printf("\t\tzap_salt: 0x%llx\n",
290 (u_longlong_t)zs.zs_salt);
292 (void) printf("\t\tLeafs with 2^n pointers:\n");
293 dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
295 (void) printf("\t\tBlocks with n*5 entries:\n");
296 dump_zap_histogram(zs.zs_blocks_with_n5_entries);
298 (void) printf("\t\tBlocks n/10 full:\n");
299 dump_zap_histogram(zs.zs_blocks_n_tenths_full);
301 (void) printf("\t\tEntries with n chunks:\n");
302 dump_zap_histogram(zs.zs_entries_using_n_chunks);
304 (void) printf("\t\tBuckets with n entries:\n");
305 dump_zap_histogram(zs.zs_buckets_with_n_entries);
310 dump_none(objset_t *os, uint64_t object, void *data, size_t size)
316 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
318 (void) printf("\tUNKNOWN OBJECT TYPE\n");
323 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
329 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
335 dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
338 zap_attribute_t attr;
342 dump_zap_stats(os, object);
345 for (zap_cursor_init(&zc, os, object);
346 zap_cursor_retrieve(&zc, &attr) == 0;
347 zap_cursor_advance(&zc)) {
348 (void) printf("\t\t%s = ", attr.za_name);
349 if (attr.za_num_integers == 0) {
353 prop = umem_zalloc(attr.za_num_integers *
354 attr.za_integer_length, UMEM_NOFAIL);
355 (void) zap_lookup(os, object, attr.za_name,
356 attr.za_integer_length, attr.za_num_integers, prop);
357 if (attr.za_integer_length == 1) {
358 (void) printf("%s", (char *)prop);
360 for (i = 0; i < attr.za_num_integers; i++) {
361 switch (attr.za_integer_length) {
364 ((uint16_t *)prop)[i]);
368 ((uint32_t *)prop)[i]);
371 (void) printf("%lld ",
372 (u_longlong_t)((int64_t *)prop)[i]);
378 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
380 zap_cursor_fini(&zc);
385 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
387 dump_zap_stats(os, object);
388 /* contents are printed elsewhere, properly decoded */
393 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size)
396 zap_attribute_t attr;
398 dump_zap_stats(os, object);
401 for (zap_cursor_init(&zc, os, object);
402 zap_cursor_retrieve(&zc, &attr) == 0;
403 zap_cursor_advance(&zc)) {
404 (void) printf("\t\t%s = ", attr.za_name);
405 if (attr.za_num_integers == 0) {
409 (void) printf(" %llx : [%d:%d:%d]\n",
410 (u_longlong_t)attr.za_first_integer,
411 (int)ATTR_LENGTH(attr.za_first_integer),
412 (int)ATTR_BSWAP(attr.za_first_integer),
413 (int)ATTR_NUM(attr.za_first_integer));
415 zap_cursor_fini(&zc);
420 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size)
423 zap_attribute_t attr;
424 uint16_t *layout_attrs;
427 dump_zap_stats(os, object);
430 for (zap_cursor_init(&zc, os, object);
431 zap_cursor_retrieve(&zc, &attr) == 0;
432 zap_cursor_advance(&zc)) {
433 (void) printf("\t\t%s = [", attr.za_name);
434 if (attr.za_num_integers == 0) {
439 VERIFY(attr.za_integer_length == 2);
440 layout_attrs = umem_zalloc(attr.za_num_integers *
441 attr.za_integer_length, UMEM_NOFAIL);
443 VERIFY(zap_lookup(os, object, attr.za_name,
444 attr.za_integer_length,
445 attr.za_num_integers, layout_attrs) == 0);
447 for (i = 0; i != attr.za_num_integers; i++)
448 (void) printf(" %d ", (int)layout_attrs[i]);
449 (void) printf("]\n");
450 umem_free(layout_attrs,
451 attr.za_num_integers * attr.za_integer_length);
453 zap_cursor_fini(&zc);
458 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
461 zap_attribute_t attr;
462 const char *typenames[] = {
463 /* 0 */ "not specified",
465 /* 2 */ "Character Device",
466 /* 3 */ "3 (invalid)",
468 /* 5 */ "5 (invalid)",
469 /* 6 */ "Block Device",
470 /* 7 */ "7 (invalid)",
471 /* 8 */ "Regular File",
472 /* 9 */ "9 (invalid)",
473 /* 10 */ "Symbolic Link",
474 /* 11 */ "11 (invalid)",
477 /* 14 */ "Event Port",
478 /* 15 */ "15 (invalid)",
481 dump_zap_stats(os, object);
484 for (zap_cursor_init(&zc, os, object);
485 zap_cursor_retrieve(&zc, &attr) == 0;
486 zap_cursor_advance(&zc)) {
487 (void) printf("\t\t%s = %lld (type: %s)\n",
488 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
489 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
491 zap_cursor_fini(&zc);
495 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
497 uint64_t alloc, offset, entry;
498 uint8_t mapshift = sm->sm_shift;
499 uint64_t mapstart = sm->sm_start;
500 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
501 "INVALID", "INVALID", "INVALID", "INVALID" };
503 if (smo->smo_object == 0)
507 * Print out the freelist entries in both encoded and decoded form.
510 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
511 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset,
512 sizeof (entry), &entry, DMU_READ_PREFETCH));
513 if (SM_DEBUG_DECODE(entry)) {
514 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
515 (u_longlong_t)(offset / sizeof (entry)),
516 ddata[SM_DEBUG_ACTION_DECODE(entry)],
517 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
518 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
520 (void) printf("\t [%6llu] %c range:"
521 " %010llx-%010llx size: %06llx\n",
522 (u_longlong_t)(offset / sizeof (entry)),
523 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
524 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
525 mapshift) + mapstart),
526 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
527 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
529 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
530 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
531 alloc += SM_RUN_DECODE(entry) << mapshift;
533 alloc -= SM_RUN_DECODE(entry) << mapshift;
536 if (alloc != smo->smo_alloc) {
537 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
538 "with space map summary (%llu)\n",
539 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
544 dump_metaslab_stats(metaslab_t *msp)
547 space_map_t *sm = &msp->ms_map;
548 avl_tree_t *t = sm->sm_pp_root;
549 int free_pct = sm->sm_space * 100 / sm->sm_size;
551 zdb_nicenum(space_map_maxsize(sm), maxbuf);
553 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
554 "segments", avl_numnodes(t), "maxsize", maxbuf,
555 "freepct", free_pct);
559 dump_metaslab(metaslab_t *msp)
561 vdev_t *vd = msp->ms_group->mg_vd;
562 spa_t *spa = vd->vdev_spa;
563 space_map_t *sm = &msp->ms_map;
564 space_map_obj_t *smo = &msp->ms_smo;
567 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf);
570 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
571 (u_longlong_t)(sm->sm_start / sm->sm_size),
572 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf);
574 if (dump_opt['m'] > 1 && !dump_opt['L']) {
575 mutex_enter(&msp->ms_lock);
576 space_map_load_wait(sm);
578 VERIFY(space_map_load(sm, zfs_metaslab_ops,
579 SM_FREE, smo, spa->spa_meta_objset) == 0);
580 dump_metaslab_stats(msp);
581 space_map_unload(sm);
582 mutex_exit(&msp->ms_lock);
585 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) {
586 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift));
588 mutex_enter(&msp->ms_lock);
589 dump_spacemap(spa->spa_meta_objset, smo, sm);
590 mutex_exit(&msp->ms_lock);
595 print_vdev_metaslab_header(vdev_t *vd)
597 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
598 (u_longlong_t)vd->vdev_id,
599 "metaslabs", (u_longlong_t)vd->vdev_ms_count,
600 "offset", "spacemap", "free");
601 (void) printf("\t%15s %19s %15s %10s\n",
602 "---------------", "-------------------",
603 "---------------", "-------------");
607 dump_metaslabs(spa_t *spa)
609 vdev_t *vd, *rvd = spa->spa_root_vdev;
610 uint64_t m, c = 0, children = rvd->vdev_children;
612 (void) printf("\nMetaslabs:\n");
614 if (!dump_opt['d'] && zopt_objects > 0) {
618 (void) fatal("bad vdev id: %llu", (u_longlong_t)c);
620 if (zopt_objects > 1) {
621 vd = rvd->vdev_child[c];
622 print_vdev_metaslab_header(vd);
624 for (m = 1; m < zopt_objects; m++) {
625 if (zopt_object[m] < vd->vdev_ms_count)
627 vd->vdev_ms[zopt_object[m]]);
629 (void) fprintf(stderr, "bad metaslab "
631 (u_longlong_t)zopt_object[m]);
638 for (; c < children; c++) {
639 vd = rvd->vdev_child[c];
640 print_vdev_metaslab_header(vd);
642 for (m = 0; m < vd->vdev_ms_count; m++)
643 dump_metaslab(vd->vdev_ms[m]);
649 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
651 const ddt_phys_t *ddp = dde->dde_phys;
652 const ddt_key_t *ddk = &dde->dde_key;
653 char *types[4] = { "ditto", "single", "double", "triple" };
654 char blkbuf[BP_SPRINTF_LEN];
658 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
659 if (ddp->ddp_phys_birth == 0)
661 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
662 sprintf_blkptr(blkbuf, &blk);
663 (void) printf("index %llx refcnt %llu %s %s\n",
664 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
670 dump_dedup_ratio(const ddt_stat_t *dds)
672 double rL, rP, rD, D, dedup, compress, copies;
674 if (dds->dds_blocks == 0)
677 rL = (double)dds->dds_ref_lsize;
678 rP = (double)dds->dds_ref_psize;
679 rD = (double)dds->dds_ref_dsize;
680 D = (double)dds->dds_dsize;
686 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
687 "dedup * compress / copies = %.2f\n\n",
688 dedup, compress, copies, dedup * compress / copies);
692 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
694 char name[DDT_NAMELEN];
697 dmu_object_info_t doi;
698 uint64_t count, dspace, mspace;
701 error = ddt_object_info(ddt, type, class, &doi);
707 error = ddt_object_count(ddt, type, class, &count);
712 dspace = doi.doi_physical_blocks_512 << 9;
713 mspace = doi.doi_fill_count * doi.doi_data_block_size;
715 ddt_object_name(ddt, type, class, name);
717 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
720 (u_longlong_t)(dspace / count),
721 (u_longlong_t)(mspace / count));
723 if (dump_opt['D'] < 3)
726 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
728 if (dump_opt['D'] < 4)
731 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
734 (void) printf("%s contents:\n\n", name);
736 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
737 dump_dde(ddt, &dde, walk);
739 ASSERT(error == ENOENT);
745 dump_all_ddts(spa_t *spa)
747 ddt_histogram_t ddh_total;
748 ddt_stat_t dds_total;
751 enum ddt_class class;
753 bzero(&ddh_total, sizeof (ddt_histogram_t));
754 bzero(&dds_total, sizeof (ddt_stat_t));
756 for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
757 ddt_t *ddt = spa->spa_ddt[c];
758 for (type = 0; type < DDT_TYPES; type++) {
759 for (class = 0; class < DDT_CLASSES;
761 dump_ddt(ddt, type, class);
766 ddt_get_dedup_stats(spa, &dds_total);
768 if (dds_total.dds_blocks == 0) {
769 (void) printf("All DDTs are empty\n");
775 if (dump_opt['D'] > 1) {
776 (void) printf("DDT histogram (aggregated over all DDTs):\n");
777 ddt_get_dedup_histogram(spa, &ddh_total);
778 zpool_dump_ddt(&dds_total, &ddh_total);
781 dump_dedup_ratio(&dds_total);
785 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
787 char *prefix = (void *)sm;
789 (void) printf("%s [%llu,%llu) length %llu\n",
792 (u_longlong_t)(start + size),
793 (u_longlong_t)(size));
797 dump_dtl(vdev_t *vd, int indent)
799 spa_t *spa = vd->vdev_spa;
801 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
805 spa_vdev_state_enter(spa, SCL_NONE);
806 required = vdev_dtl_required(vd);
807 (void) spa_vdev_state_exit(spa, NULL, 0);
810 (void) printf("\nDirty time logs:\n\n");
812 (void) printf("\t%*s%s [%s]\n", indent, "",
813 vd->vdev_path ? vd->vdev_path :
814 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
815 required ? "DTL-required" : "DTL-expendable");
817 for (t = 0; t < DTL_TYPES; t++) {
818 space_map_t *sm = &vd->vdev_dtl[t];
819 if (sm->sm_space == 0)
821 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
822 indent + 2, "", name[t]);
823 mutex_enter(sm->sm_lock);
824 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
825 mutex_exit(sm->sm_lock);
826 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
827 dump_spacemap(spa->spa_meta_objset,
828 &vd->vdev_dtl_smo, sm);
831 for (c = 0; c < vd->vdev_children; c++)
832 dump_dtl(vd->vdev_child[c], indent + 4);
836 dump_history(spa_t *spa)
838 nvlist_t **events = NULL;
839 char buf[SPA_MAXBLOCKSIZE];
840 uint64_t resid, len, off = 0;
846 char internalstr[MAXPATHLEN];
852 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
853 (void) fprintf(stderr, "Unable to read history: "
854 "error %d\n", error);
858 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
864 (void) printf("\nHistory:\n");
865 for (i = 0; i < num; i++) {
866 uint64_t time, txg, ievent;
869 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
872 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
874 if (nvlist_lookup_uint64(events[i],
875 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
877 verify(nvlist_lookup_uint64(events[i],
878 ZPOOL_HIST_TXG, &txg) == 0);
879 verify(nvlist_lookup_string(events[i],
880 ZPOOL_HIST_INT_STR, &intstr) == 0);
881 if (ievent >= LOG_END)
884 (void) snprintf(internalstr,
885 sizeof (internalstr),
886 "[internal %s txg:%lld] %s",
887 zfs_history_event_names[ievent],
888 (longlong_t)txg, intstr);
892 (void) localtime_r(&tsec, &t);
893 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
894 (void) printf("%s %s\n", tbuf, cmd);
900 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
905 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
908 ASSERT(zb->zb_level < 0);
909 if (zb->zb_object == 0)
910 return (zb->zb_blkid);
911 return (zb->zb_blkid * BP_GET_LSIZE(bp));
914 ASSERT(zb->zb_level >= 0);
916 return ((zb->zb_blkid <<
917 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
918 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
922 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
924 const dva_t *dva = bp->blk_dva;
925 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
928 if (dump_opt['b'] >= 5) {
929 sprintf_blkptr(blkbuf, bp);
935 for (i = 0; i < ndvas; i++)
936 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
937 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
938 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
939 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
941 (void) sprintf(blkbuf + strlen(blkbuf),
942 "%llxL/%llxP F=%llu B=%llu/%llu",
943 (u_longlong_t)BP_GET_LSIZE(bp),
944 (u_longlong_t)BP_GET_PSIZE(bp),
945 (u_longlong_t)bp->blk_fill,
946 (u_longlong_t)bp->blk_birth,
947 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
951 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
952 const dnode_phys_t *dnp)
954 char blkbuf[BP_SPRINTF_LEN];
957 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
958 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
960 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
962 ASSERT(zb->zb_level >= 0);
964 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
965 if (l == zb->zb_level) {
966 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
972 sprintf_blkptr_compact(blkbuf, bp);
973 (void) printf("%s\n", blkbuf);
977 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
978 blkptr_t *bp, const zbookmark_t *zb)
982 if (bp->blk_birth == 0)
985 print_indirect(bp, zb, dnp);
987 if (BP_GET_LEVEL(bp) > 0) {
988 uint32_t flags = ARC_WAIT;
991 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
995 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf,
996 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
1001 /* recursively visit blocks below this */
1003 for (i = 0; i < epb; i++, cbp++) {
1006 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
1008 zb->zb_blkid * epb + i);
1009 err = visit_indirect(spa, dnp, cbp, &czb);
1012 fill += cbp->blk_fill;
1015 ASSERT3U(fill, ==, bp->blk_fill);
1016 (void) arc_buf_remove_ref(buf, &buf);
1024 dump_indirect(dnode_t *dn)
1026 dnode_phys_t *dnp = dn->dn_phys;
1030 (void) printf("Indirect blocks:\n");
1032 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
1033 dn->dn_object, dnp->dn_nlevels - 1, 0);
1034 for (j = 0; j < dnp->dn_nblkptr; j++) {
1036 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
1037 &dnp->dn_blkptr[j], &czb);
1040 (void) printf("\n");
1045 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1047 dsl_dir_phys_t *dd = data;
1054 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1056 crtime = dd->dd_creation_time;
1057 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1058 (void) printf("\t\thead_dataset_obj = %llu\n",
1059 (u_longlong_t)dd->dd_head_dataset_obj);
1060 (void) printf("\t\tparent_dir_obj = %llu\n",
1061 (u_longlong_t)dd->dd_parent_obj);
1062 (void) printf("\t\torigin_obj = %llu\n",
1063 (u_longlong_t)dd->dd_origin_obj);
1064 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1065 (u_longlong_t)dd->dd_child_dir_zapobj);
1066 zdb_nicenum(dd->dd_used_bytes, nice);
1067 (void) printf("\t\tused_bytes = %s\n", nice);
1068 zdb_nicenum(dd->dd_compressed_bytes, nice);
1069 (void) printf("\t\tcompressed_bytes = %s\n", nice);
1070 zdb_nicenum(dd->dd_uncompressed_bytes, nice);
1071 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
1072 zdb_nicenum(dd->dd_quota, nice);
1073 (void) printf("\t\tquota = %s\n", nice);
1074 zdb_nicenum(dd->dd_reserved, nice);
1075 (void) printf("\t\treserved = %s\n", nice);
1076 (void) printf("\t\tprops_zapobj = %llu\n",
1077 (u_longlong_t)dd->dd_props_zapobj);
1078 (void) printf("\t\tdeleg_zapobj = %llu\n",
1079 (u_longlong_t)dd->dd_deleg_zapobj);
1080 (void) printf("\t\tflags = %llx\n",
1081 (u_longlong_t)dd->dd_flags);
1084 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1085 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1096 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1098 dsl_dataset_phys_t *ds = data;
1100 char used[32], compressed[32], uncompressed[32], unique[32];
1101 char blkbuf[BP_SPRINTF_LEN];
1106 ASSERT(size == sizeof (*ds));
1107 crtime = ds->ds_creation_time;
1108 zdb_nicenum(ds->ds_referenced_bytes, used);
1109 zdb_nicenum(ds->ds_compressed_bytes, compressed);
1110 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
1111 zdb_nicenum(ds->ds_unique_bytes, unique);
1112 sprintf_blkptr(blkbuf, &ds->ds_bp);
1114 (void) printf("\t\tdir_obj = %llu\n",
1115 (u_longlong_t)ds->ds_dir_obj);
1116 (void) printf("\t\tprev_snap_obj = %llu\n",
1117 (u_longlong_t)ds->ds_prev_snap_obj);
1118 (void) printf("\t\tprev_snap_txg = %llu\n",
1119 (u_longlong_t)ds->ds_prev_snap_txg);
1120 (void) printf("\t\tnext_snap_obj = %llu\n",
1121 (u_longlong_t)ds->ds_next_snap_obj);
1122 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1123 (u_longlong_t)ds->ds_snapnames_zapobj);
1124 (void) printf("\t\tnum_children = %llu\n",
1125 (u_longlong_t)ds->ds_num_children);
1126 (void) printf("\t\tuserrefs_obj = %llu\n",
1127 (u_longlong_t)ds->ds_userrefs_obj);
1128 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1129 (void) printf("\t\tcreation_txg = %llu\n",
1130 (u_longlong_t)ds->ds_creation_txg);
1131 (void) printf("\t\tdeadlist_obj = %llu\n",
1132 (u_longlong_t)ds->ds_deadlist_obj);
1133 (void) printf("\t\tused_bytes = %s\n", used);
1134 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1135 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1136 (void) printf("\t\tunique = %s\n", unique);
1137 (void) printf("\t\tfsid_guid = %llu\n",
1138 (u_longlong_t)ds->ds_fsid_guid);
1139 (void) printf("\t\tguid = %llu\n",
1140 (u_longlong_t)ds->ds_guid);
1141 (void) printf("\t\tflags = %llx\n",
1142 (u_longlong_t)ds->ds_flags);
1143 (void) printf("\t\tnext_clones_obj = %llu\n",
1144 (u_longlong_t)ds->ds_next_clones_obj);
1145 (void) printf("\t\tprops_obj = %llu\n",
1146 (u_longlong_t)ds->ds_props_obj);
1147 (void) printf("\t\tbp = %s\n", blkbuf);
1152 dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1154 char blkbuf[BP_SPRINTF_LEN];
1156 if (bp->blk_birth != 0) {
1157 sprintf_blkptr(blkbuf, bp);
1158 (void) printf("\t%s\n", blkbuf);
1164 dump_bptree(objset_t *os, uint64_t obj, char *name)
1170 if (dump_opt['d'] < 3)
1173 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
1175 zdb_nicenum(bt->bt_bytes, bytes);
1176 (void) printf("\n %s: %llu datasets, %s\n",
1177 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
1178 dmu_buf_rele(db, FTAG);
1180 if (dump_opt['d'] < 5)
1183 (void) printf("\n");
1185 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL);
1190 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1192 char blkbuf[BP_SPRINTF_LEN];
1194 ASSERT(bp->blk_birth != 0);
1195 sprintf_blkptr_compact(blkbuf, bp);
1196 (void) printf("\t%s\n", blkbuf);
1201 dump_bpobj(bpobj_t *bpo, char *name)
1207 if (dump_opt['d'] < 3)
1210 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
1211 if (bpo->bpo_havesubobj) {
1212 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
1213 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
1214 (void) printf("\n %s: %llu local blkptrs, %llu subobjs, "
1215 "%s (%s/%s comp)\n",
1216 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1217 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1218 bytes, comp, uncomp);
1220 (void) printf("\n %s: %llu blkptrs, %s\n",
1221 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, bytes);
1224 if (dump_opt['d'] < 5)
1227 (void) printf("\n");
1229 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1233 dump_deadlist(dsl_deadlist_t *dl)
1235 dsl_deadlist_entry_t *dle;
1240 if (dump_opt['d'] < 3)
1243 zdb_nicenum(dl->dl_phys->dl_used, bytes);
1244 zdb_nicenum(dl->dl_phys->dl_comp, comp);
1245 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
1246 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1247 bytes, comp, uncomp);
1249 if (dump_opt['d'] < 4)
1252 (void) printf("\n");
1254 for (dle = avl_first(&dl->dl_tree); dle;
1255 dle = AVL_NEXT(&dl->dl_tree, dle)) {
1256 (void) printf(" mintxg %llu -> obj %llu\n",
1257 (longlong_t)dle->dle_mintxg,
1258 (longlong_t)dle->dle_bpobj.bpo_object);
1260 if (dump_opt['d'] >= 5)
1261 dump_bpobj(&dle->dle_bpobj, "");
1265 static avl_tree_t idx_tree;
1266 static avl_tree_t domain_tree;
1267 static boolean_t fuid_table_loaded;
1268 static boolean_t sa_loaded;
1269 sa_attr_type_t *sa_attr_table;
1272 fuid_table_destroy(void)
1274 if (fuid_table_loaded) {
1275 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1276 fuid_table_loaded = B_FALSE;
1281 * print uid or gid information.
1282 * For normal POSIX id just the id is printed in decimal format.
1283 * For CIFS files with FUID the fuid is printed in hex followed by
1284 * the doman-rid string.
1287 print_idstr(uint64_t id, const char *id_type)
1289 if (FUID_INDEX(id)) {
1292 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1293 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1294 (u_longlong_t)id, domain, (int)FUID_RID(id));
1296 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1302 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
1304 uint32_t uid_idx, gid_idx;
1306 uid_idx = FUID_INDEX(uid);
1307 gid_idx = FUID_INDEX(gid);
1309 /* Load domain table, if not already loaded */
1310 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1313 /* first find the fuid object. It lives in the master node */
1314 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1315 8, 1, &fuid_obj) == 0);
1316 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
1317 (void) zfs_fuid_table_load(os, fuid_obj,
1318 &idx_tree, &domain_tree);
1319 fuid_table_loaded = B_TRUE;
1322 print_idstr(uid, "uid");
1323 print_idstr(gid, "gid");
1328 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1330 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
1332 uint64_t xattr, rdev, gen;
1333 uint64_t uid, gid, mode, fsize, parent, links;
1335 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1336 time_t z_crtime, z_atime, z_mtime, z_ctime;
1337 sa_bulk_attr_t bulk[12];
1342 uint64_t sa_attrs = 0;
1345 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1346 8, 1, &version) == 0);
1347 if (version >= ZPL_VERSION_SA) {
1348 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1349 8, 1, &sa_attrs) == 0);
1351 if ((error = sa_setup(os, sa_attrs, zfs_attr_table,
1352 ZPL_END, &sa_attr_table)) != 0) {
1353 (void) printf("sa_setup failed errno %d, can't "
1354 "display znode contents\n", error);
1360 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1361 (void) printf("Failed to get handle for SA znode\n");
1365 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1366 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1367 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1369 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1370 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1372 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1374 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1376 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1378 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1380 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1382 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1384 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1387 if (sa_bulk_lookup(hdl, bulk, idx)) {
1388 (void) sa_handle_destroy(hdl);
1392 error = zfs_obj_to_path(os, object, path, sizeof (path));
1394 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
1395 (u_longlong_t)object);
1397 if (dump_opt['d'] < 3) {
1398 (void) printf("\t%s\n", path);
1399 (void) sa_handle_destroy(hdl);
1403 z_crtime = (time_t)crtm[0];
1404 z_atime = (time_t)acctm[0];
1405 z_mtime = (time_t)modtm[0];
1406 z_ctime = (time_t)chgtm[0];
1408 (void) printf("\tpath %s\n", path);
1409 dump_uidgid(os, uid, gid);
1410 (void) printf("\tatime %s", ctime(&z_atime));
1411 (void) printf("\tmtime %s", ctime(&z_mtime));
1412 (void) printf("\tctime %s", ctime(&z_ctime));
1413 (void) printf("\tcrtime %s", ctime(&z_crtime));
1414 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1415 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1416 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1417 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1418 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1419 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1420 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1421 sizeof (uint64_t)) == 0)
1422 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1423 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1424 sizeof (uint64_t)) == 0)
1425 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
1426 sa_handle_destroy(hdl);
1431 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1437 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1441 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
1442 dump_none, /* unallocated */
1443 dump_zap, /* object directory */
1444 dump_uint64, /* object array */
1445 dump_none, /* packed nvlist */
1446 dump_packed_nvlist, /* packed nvlist size */
1447 dump_none, /* bplist */
1448 dump_none, /* bplist header */
1449 dump_none, /* SPA space map header */
1450 dump_none, /* SPA space map */
1451 dump_none, /* ZIL intent log */
1452 dump_dnode, /* DMU dnode */
1453 dump_dmu_objset, /* DMU objset */
1454 dump_dsl_dir, /* DSL directory */
1455 dump_zap, /* DSL directory child map */
1456 dump_zap, /* DSL dataset snap map */
1457 dump_zap, /* DSL props */
1458 dump_dsl_dataset, /* DSL dataset */
1459 dump_znode, /* ZFS znode */
1460 dump_acl, /* ZFS V0 ACL */
1461 dump_uint8, /* ZFS plain file */
1462 dump_zpldir, /* ZFS directory */
1463 dump_zap, /* ZFS master node */
1464 dump_zap, /* ZFS delete queue */
1465 dump_uint8, /* zvol object */
1466 dump_zap, /* zvol prop */
1467 dump_uint8, /* other uint8[] */
1468 dump_uint64, /* other uint64[] */
1469 dump_zap, /* other ZAP */
1470 dump_zap, /* persistent error log */
1471 dump_uint8, /* SPA history */
1472 dump_uint64, /* SPA history offsets */
1473 dump_zap, /* Pool properties */
1474 dump_zap, /* DSL permissions */
1475 dump_acl, /* ZFS ACL */
1476 dump_uint8, /* ZFS SYSACL */
1477 dump_none, /* FUID nvlist */
1478 dump_packed_nvlist, /* FUID nvlist size */
1479 dump_zap, /* DSL dataset next clones */
1480 dump_zap, /* DSL scrub queue */
1481 dump_zap, /* ZFS user/group used */
1482 dump_zap, /* ZFS user/group quota */
1483 dump_zap, /* snapshot refcount tags */
1484 dump_ddt_zap, /* DDT ZAP object */
1485 dump_zap, /* DDT statistics */
1486 dump_znode, /* SA object */
1487 dump_zap, /* SA Master Node */
1488 dump_sa_attrs, /* SA attribute registration */
1489 dump_sa_layouts, /* SA attribute layouts */
1490 dump_zap, /* DSL scrub translations */
1491 dump_none, /* fake dedup BP */
1492 dump_zap, /* deadlist */
1493 dump_none, /* deadlist hdr */
1494 dump_zap, /* dsl clones */
1495 dump_none, /* bpobj subobjs */
1496 dump_unknown, /* Unknown type, must be last */
1500 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1502 dmu_buf_t *db = NULL;
1503 dmu_object_info_t doi;
1507 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
1508 char bonus_size[32];
1512 if (*print_header) {
1513 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1514 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1520 dn = DMU_META_DNODE(os);
1522 error = dmu_bonus_hold(os, object, FTAG, &db);
1524 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1526 bonus = db->db_data;
1527 bsize = db->db_size;
1528 dn = DB_DNODE((dmu_buf_impl_t *)db);
1530 dmu_object_info_from_dnode(dn, &doi);
1532 zdb_nicenum(doi.doi_metadata_block_size, iblk);
1533 zdb_nicenum(doi.doi_data_block_size, dblk);
1534 zdb_nicenum(doi.doi_max_offset, lsize);
1535 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
1536 zdb_nicenum(doi.doi_bonus_size, bonus_size);
1537 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1538 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1539 doi.doi_max_offset);
1543 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1544 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1545 ZDB_CHECKSUM_NAME(doi.doi_checksum));
1548 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1549 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1550 ZDB_COMPRESS_NAME(doi.doi_compress));
1553 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1554 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1555 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
1557 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1558 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1559 "", "", "", "", "", bonus_size, "bonus",
1560 ZDB_OT_NAME(doi.doi_bonus_type));
1563 if (verbosity >= 4) {
1564 (void) printf("\tdnode flags: %s%s%s\n",
1565 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1567 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
1568 "USERUSED_ACCOUNTED " : "",
1569 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
1570 "SPILL_BLKPTR" : "");
1571 (void) printf("\tdnode maxblkid: %llu\n",
1572 (longlong_t)dn->dn_phys->dn_maxblkid);
1574 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
1576 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
1583 if (verbosity >= 5) {
1585 * Report the list of segments that comprise the object.
1589 uint64_t blkfill = 1;
1592 if (dn->dn_type == DMU_OT_DNODE) {
1594 blkfill = DNODES_PER_BLOCK;
1599 error = dnode_next_offset(dn,
1600 0, &start, minlvl, blkfill, 0);
1604 error = dnode_next_offset(dn,
1605 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1606 zdb_nicenum(end - start, segsize);
1607 (void) printf("\t\tsegment [%016llx, %016llx)"
1608 " size %5s\n", (u_longlong_t)start,
1609 (u_longlong_t)end, segsize);
1617 dmu_buf_rele(db, FTAG);
1620 static char *objset_types[DMU_OST_NUMTYPES] = {
1621 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1624 dump_dir(objset_t *os)
1626 dmu_objset_stats_t dds;
1627 uint64_t object, object_count;
1628 uint64_t refdbytes, usedobjs, scratch;
1630 char blkbuf[BP_SPRINTF_LEN + 20];
1631 char osname[MAXNAMELEN];
1632 char *type = "UNKNOWN";
1633 int verbosity = dump_opt['d'];
1634 int print_header = 1;
1637 dmu_objset_fast_stat(os, &dds);
1639 if (dds.dds_type < DMU_OST_NUMTYPES)
1640 type = objset_types[dds.dds_type];
1642 if (dds.dds_type == DMU_OST_META) {
1643 dds.dds_creation_txg = TXG_INITIAL;
1644 usedobjs = os->os_rootbp->blk_fill;
1645 refdbytes = os->os_spa->spa_dsl_pool->
1646 dp_mos_dir->dd_phys->dd_used_bytes;
1648 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1651 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill);
1653 zdb_nicenum(refdbytes, numbuf);
1655 if (verbosity >= 4) {
1656 (void) sprintf(blkbuf, ", rootbp ");
1657 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
1662 dmu_objset_name(os, osname);
1664 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1665 "%s, %llu objects%s\n",
1666 osname, type, (u_longlong_t)dmu_objset_id(os),
1667 (u_longlong_t)dds.dds_creation_txg,
1668 numbuf, (u_longlong_t)usedobjs, blkbuf);
1670 if (zopt_objects != 0) {
1671 for (i = 0; i < zopt_objects; i++)
1672 dump_object(os, zopt_object[i], verbosity,
1674 (void) printf("\n");
1678 if (dump_opt['i'] != 0 || verbosity >= 2)
1679 dump_intent_log(dmu_objset_zil(os));
1681 if (dmu_objset_ds(os) != NULL)
1682 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
1687 if (os->os_rootbp->blk_birth == 0)
1690 dump_object(os, 0, verbosity, &print_header);
1692 if (DMU_USERUSED_DNODE(os) != NULL &&
1693 DMU_USERUSED_DNODE(os)->dn_type != 0) {
1694 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1695 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1699 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1700 dump_object(os, object, verbosity, &print_header);
1704 ASSERT3U(object_count, ==, usedobjs);
1706 (void) printf("\n");
1708 if (error != ESRCH) {
1709 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1715 dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
1717 time_t timestamp = ub->ub_timestamp;
1719 (void) printf("%s", header ? header : "");
1720 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1721 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1722 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1723 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1724 (void) printf("\ttimestamp = %llu UTC = %s",
1725 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
1726 if (dump_opt['u'] >= 3) {
1727 char blkbuf[BP_SPRINTF_LEN];
1728 sprintf_blkptr(blkbuf, &ub->ub_rootbp);
1729 (void) printf("\trootbp = %s\n", blkbuf);
1731 (void) printf("%s", footer ? footer : "");
1735 dump_config(spa_t *spa)
1742 error = dmu_bonus_hold(spa->spa_meta_objset,
1743 spa->spa_config_object, FTAG, &db);
1746 nvsize = *(uint64_t *)db->db_data;
1747 dmu_buf_rele(db, FTAG);
1749 (void) printf("\nMOS Configuration:\n");
1750 dump_packed_nvlist(spa->spa_meta_objset,
1751 spa->spa_config_object, (void *)&nvsize, 1);
1753 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
1754 (u_longlong_t)spa->spa_config_object, error);
1759 dump_cachefile(const char *cachefile)
1762 struct stat64 statbuf;
1766 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1767 (void) printf("cannot open '%s': %s\n", cachefile,
1772 if (fstat64(fd, &statbuf) != 0) {
1773 (void) printf("failed to stat '%s': %s\n", cachefile,
1778 if ((buf = malloc(statbuf.st_size)) == NULL) {
1779 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1780 (u_longlong_t)statbuf.st_size);
1784 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1785 (void) fprintf(stderr, "failed to read %llu bytes\n",
1786 (u_longlong_t)statbuf.st_size);
1792 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1793 (void) fprintf(stderr, "failed to unpack nvlist\n");
1799 dump_nvlist(config, 0);
1801 nvlist_free(config);
1804 #define ZDB_MAX_UB_HEADER_SIZE 32
1807 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
1811 char header[ZDB_MAX_UB_HEADER_SIZE];
1814 vd.vdev_ashift = ashift;
1815 vdp->vdev_top = vdp;
1817 for (i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
1818 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
1819 uberblock_t *ub = (void *)((char *)lbl + uoff);
1821 if (uberblock_verify(ub))
1823 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
1824 "Uberblock[%d]\n", i);
1825 dump_uberblock(ub, header, "");
1830 dump_label(const char *dev)
1834 char *path, *buf = label.vl_vdev_phys.vp_nvlist;
1835 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1836 struct stat64 statbuf;
1837 uint64_t psize, ashift;
1838 int len = strlen(dev) + 1;
1841 if (strncmp(dev, "/dev/dsk/", 9) == 0) {
1844 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9);
1849 if ((fd = open64(path, O_RDONLY)) < 0) {
1850 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
1855 if (fstat64_blk(fd, &statbuf) != 0) {
1856 (void) printf("failed to stat '%s': %s\n", path,
1863 psize = statbuf.st_size;
1864 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1866 for (l = 0; l < VDEV_LABELS; l++) {
1867 nvlist_t *config = NULL;
1869 (void) printf("--------------------------------------------\n");
1870 (void) printf("LABEL %d\n", l);
1871 (void) printf("--------------------------------------------\n");
1873 if (pread64(fd, &label, sizeof (label),
1874 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1875 (void) printf("failed to read label %d\n", l);
1879 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1880 (void) printf("failed to unpack label %d\n", l);
1881 ashift = SPA_MINBLOCKSHIFT;
1883 nvlist_t *vdev_tree = NULL;
1885 dump_nvlist(config, 4);
1886 if ((nvlist_lookup_nvlist(config,
1887 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
1888 (nvlist_lookup_uint64(vdev_tree,
1889 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
1890 ashift = SPA_MINBLOCKSHIFT;
1891 nvlist_free(config);
1894 dump_label_uberblocks(&label, ashift);
1903 dump_one_dir(const char *dsname, void *arg)
1908 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
1910 (void) printf("Could not open %s, error %d\n", dsname, error);
1914 dmu_objset_disown(os, FTAG);
1915 fuid_table_destroy();
1916 sa_loaded = B_FALSE;
1923 typedef struct zdb_blkstats {
1931 * Extended object types to report deferred frees and dedup auto-ditto blocks.
1933 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
1934 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
1935 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
1936 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
1938 static char *zdb_ot_extname[] = {
1945 #define ZB_TOTAL DN_MAX_LEVELS
1947 typedef struct zdb_cb {
1948 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
1949 uint64_t zcb_dedup_asize;
1950 uint64_t zcb_dedup_blocks;
1951 uint64_t zcb_errors[256];
1958 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
1959 dmu_object_type_t type)
1961 uint64_t refcnt = 0;
1964 ASSERT(type < ZDB_OT_TOTAL);
1966 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
1969 for (i = 0; i < 4; i++) {
1970 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
1971 int t = (i & 1) ? type : ZDB_OT_TOTAL;
1972 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1974 zb->zb_asize += BP_GET_ASIZE(bp);
1975 zb->zb_lsize += BP_GET_LSIZE(bp);
1976 zb->zb_psize += BP_GET_PSIZE(bp);
1983 if (BP_GET_DEDUP(bp)) {
1987 ddt = ddt_select(zcb->zcb_spa, bp);
1989 dde = ddt_lookup(ddt, bp, B_FALSE);
1994 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
1995 ddt_phys_decref(ddp);
1996 refcnt = ddp->ddp_refcnt;
1997 if (ddt_phys_total_refcnt(dde) == 0)
1998 ddt_remove(ddt, dde);
2003 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
2004 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
2005 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
2010 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf,
2011 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2013 zdb_cb_t *zcb = arg;
2014 char blkbuf[BP_SPRINTF_LEN];
2015 dmu_object_type_t type;
2016 boolean_t is_metadata;
2021 type = BP_GET_TYPE(bp);
2023 zdb_count_block(zcb, zilog, bp,
2024 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type);
2026 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
2028 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
2030 size_t size = BP_GET_PSIZE(bp);
2031 void *data = malloc(size);
2032 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
2034 /* If it's an intent log block, failure is expected. */
2035 if (zb->zb_level == ZB_ZIL_LEVEL)
2036 flags |= ZIO_FLAG_SPECULATIVE;
2038 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
2039 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb));
2043 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) {
2044 zcb->zcb_haderrors = 1;
2045 zcb->zcb_errors[ioerr]++;
2047 if (dump_opt['b'] >= 2)
2048 sprintf_blkptr(blkbuf, bp);
2052 (void) printf("zdb_blkptr_cb: "
2053 "Got error %d reading "
2054 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2056 (u_longlong_t)zb->zb_objset,
2057 (u_longlong_t)zb->zb_object,
2058 (u_longlong_t)zb->zb_level,
2059 (u_longlong_t)zb->zb_blkid,
2064 zcb->zcb_readfails = 0;
2066 if (dump_opt['b'] >= 4) {
2067 sprintf_blkptr(blkbuf, bp);
2068 (void) printf("objset %llu object %llu "
2069 "level %lld offset 0x%llx %s\n",
2070 (u_longlong_t)zb->zb_objset,
2071 (u_longlong_t)zb->zb_object,
2072 (longlong_t)zb->zb_level,
2073 (u_longlong_t)blkid2offset(dnp, bp, zb),
2081 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
2083 vdev_t *vd = sm->sm_ppd;
2085 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2086 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2091 zdb_space_map_load(space_map_t *sm)
2096 zdb_space_map_unload(space_map_t *sm)
2098 space_map_vacate(sm, zdb_leak, sm);
2103 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
2107 static space_map_ops_t zdb_space_map_ops = {
2109 zdb_space_map_unload,
2111 zdb_space_map_claim,
2117 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2119 ddt_bookmark_t ddb = { 0 };
2124 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2126 ddt_phys_t *ddp = dde.dde_phys;
2128 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2131 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2133 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
2134 if (ddp->ddp_phys_birth == 0)
2136 ddt_bp_create(ddb.ddb_checksum,
2137 &dde.dde_key, ddp, &blk);
2138 if (p == DDT_PHYS_DITTO) {
2139 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2141 zcb->zcb_dedup_asize +=
2142 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2143 zcb->zcb_dedup_blocks++;
2146 if (!dump_opt['L']) {
2147 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2149 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2154 ASSERT(error == ENOENT);
2158 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
2163 if (!dump_opt['L']) {
2164 vdev_t *rvd = spa->spa_root_vdev;
2165 for (c = 0; c < rvd->vdev_children; c++) {
2166 vdev_t *vd = rvd->vdev_child[c];
2167 for (m = 0; m < vd->vdev_ms_count; m++) {
2168 metaslab_t *msp = vd->vdev_ms[m];
2169 mutex_enter(&msp->ms_lock);
2170 space_map_unload(&msp->ms_map);
2171 VERIFY(space_map_load(&msp->ms_map,
2172 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo,
2173 spa->spa_meta_objset) == 0);
2174 msp->ms_map.sm_ppd = vd;
2175 mutex_exit(&msp->ms_lock);
2180 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2182 zdb_ddt_leak_init(spa, zcb);
2184 spa_config_exit(spa, SCL_CONFIG, FTAG);
2188 zdb_leak_fini(spa_t *spa)
2192 if (!dump_opt['L']) {
2193 vdev_t *rvd = spa->spa_root_vdev;
2194 for (c = 0; c < rvd->vdev_children; c++) {
2195 vdev_t *vd = rvd->vdev_child[c];
2196 for (m = 0; m < vd->vdev_ms_count; m++) {
2197 metaslab_t *msp = vd->vdev_ms[m];
2198 mutex_enter(&msp->ms_lock);
2199 space_map_unload(&msp->ms_map);
2200 mutex_exit(&msp->ms_lock);
2208 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2210 zdb_cb_t *zcb = arg;
2212 if (dump_opt['b'] >= 4) {
2213 char blkbuf[BP_SPRINTF_LEN];
2214 sprintf_blkptr(blkbuf, bp);
2215 (void) printf("[%s] %s\n",
2216 "deferred free", blkbuf);
2218 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
2223 dump_block_stats(spa_t *spa)
2226 zdb_blkstats_t *zb, *tzb;
2227 uint64_t norm_alloc, norm_space, total_alloc, total_found;
2228 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
2232 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
2233 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
2234 (dump_opt['c'] == 1) ? "metadata " : "",
2235 dump_opt['c'] ? "checksums " : "",
2236 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
2237 !dump_opt['L'] ? "nothing leaked " : "");
2240 * Load all space maps as SM_ALLOC maps, then traverse the pool
2241 * claiming each block we discover. If the pool is perfectly
2242 * consistent, the space maps will be empty when we're done.
2243 * Anything left over is a leak; any block we can't claim (because
2244 * it's not part of any space map) is a double allocation,
2245 * reference to a freed block, or an unclaimed log block.
2247 bzero(&zcb, sizeof(zdb_cb_t));
2248 zdb_leak_init(spa, &zcb);
2251 * If there's a deferred-free bplist, process that first.
2253 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
2254 count_block_cb, &zcb, NULL);
2255 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
2256 count_block_cb, &zcb, NULL);
2257 if (spa_feature_is_active(spa,
2258 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
2259 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
2260 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
2264 if (dump_opt['c'] > 1)
2265 flags |= TRAVERSE_PREFETCH_DATA;
2267 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
2269 if (zcb.zcb_haderrors) {
2270 (void) printf("\nError counts:\n\n");
2271 (void) printf("\t%5s %s\n", "errno", "count");
2272 for (e = 0; e < 256; e++) {
2273 if (zcb.zcb_errors[e] != 0) {
2274 (void) printf("\t%5d %llu\n",
2275 e, (u_longlong_t)zcb.zcb_errors[e]);
2281 * Report any leaked segments.
2285 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
2287 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2288 norm_space = metaslab_class_get_space(spa_normal_class(spa));
2290 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2291 total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
2293 if (total_found == total_alloc) {
2295 (void) printf("\n\tNo leaks (block sum matches space"
2296 " maps exactly)\n");
2298 (void) printf("block traversal size %llu != alloc %llu "
2300 (u_longlong_t)total_found,
2301 (u_longlong_t)total_alloc,
2302 (dump_opt['L']) ? "unreachable" : "leaked",
2303 (longlong_t)(total_alloc - total_found));
2307 if (tzb->zb_count == 0)
2310 (void) printf("\n");
2311 (void) printf("\tbp count: %10llu\n",
2312 (u_longlong_t)tzb->zb_count);
2313 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2314 (u_longlong_t)tzb->zb_lsize,
2315 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
2316 (void) printf("\tbp physical: %10llu avg:"
2317 " %6llu compression: %6.2f\n",
2318 (u_longlong_t)tzb->zb_psize,
2319 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
2320 (double)tzb->zb_lsize / tzb->zb_psize);
2321 (void) printf("\tbp allocated: %10llu avg:"
2322 " %6llu compression: %6.2f\n",
2323 (u_longlong_t)tzb->zb_asize,
2324 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
2325 (double)tzb->zb_lsize / tzb->zb_asize);
2326 (void) printf("\tbp deduped: %10llu ref>1:"
2327 " %6llu deduplication: %6.2f\n",
2328 (u_longlong_t)zcb.zcb_dedup_asize,
2329 (u_longlong_t)zcb.zcb_dedup_blocks,
2330 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
2331 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2332 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
2334 if (dump_opt['b'] >= 2) {
2336 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2337 "\t avg\t comp\t%%Total\tType\n");
2339 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2340 char csize[32], lsize[32], psize[32], asize[32];
2344 if (t < DMU_OT_NUMTYPES)
2345 typename = dmu_ot[t].ot_name;
2347 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
2349 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
2350 (void) printf("%6s\t%5s\t%5s\t%5s"
2351 "\t%5s\t%5s\t%6s\t%s\n",
2363 for (l = ZB_TOTAL - 1; l >= -1; l--) {
2364 level = (l == -1 ? ZB_TOTAL : l);
2365 zb = &zcb.zcb_type[level][t];
2367 if (zb->zb_asize == 0)
2370 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
2373 if (level == 0 && zb->zb_asize ==
2374 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
2377 zdb_nicenum(zb->zb_count, csize);
2378 zdb_nicenum(zb->zb_lsize, lsize);
2379 zdb_nicenum(zb->zb_psize, psize);
2380 zdb_nicenum(zb->zb_asize, asize);
2381 zdb_nicenum(zb->zb_asize / zb->zb_count, avg);
2383 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2385 csize, lsize, psize, asize, avg,
2386 (double)zb->zb_lsize / zb->zb_psize,
2387 100.0 * zb->zb_asize / tzb->zb_asize);
2389 if (level == ZB_TOTAL)
2390 (void) printf("%s\n", typename);
2392 (void) printf(" L%d %s\n",
2398 (void) printf("\n");
2403 if (zcb.zcb_haderrors)
2409 typedef struct zdb_ddt_entry {
2411 uint64_t zdde_ref_blocks;
2412 uint64_t zdde_ref_lsize;
2413 uint64_t zdde_ref_psize;
2414 uint64_t zdde_ref_dsize;
2415 avl_node_t zdde_node;
2420 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2421 arc_buf_t *pbuf, const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2423 avl_tree_t *t = arg;
2425 zdb_ddt_entry_t *zdde, zdde_search;
2430 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
2431 (void) printf("traversing objset %llu, %llu objects, "
2432 "%lu blocks so far\n",
2433 (u_longlong_t)zb->zb_objset,
2434 (u_longlong_t)bp->blk_fill,
2438 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
2439 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))
2442 ddt_key_fill(&zdde_search.zdde_key, bp);
2444 zdde = avl_find(t, &zdde_search, &where);
2447 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
2448 zdde->zdde_key = zdde_search.zdde_key;
2449 avl_insert(t, zdde, where);
2452 zdde->zdde_ref_blocks += 1;
2453 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
2454 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
2455 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
2461 dump_simulated_ddt(spa_t *spa)
2464 void *cookie = NULL;
2465 zdb_ddt_entry_t *zdde;
2466 ddt_histogram_t ddh_total;
2467 ddt_stat_t dds_total;
2469 bzero(&ddh_total, sizeof (ddt_histogram_t));
2470 bzero(&dds_total, sizeof (ddt_stat_t));
2472 avl_create(&t, ddt_entry_compare,
2473 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
2475 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2477 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
2478 zdb_ddt_add_cb, &t);
2480 spa_config_exit(spa, SCL_CONFIG, FTAG);
2482 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
2484 uint64_t refcnt = zdde->zdde_ref_blocks;
2485 ASSERT(refcnt != 0);
2487 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
2488 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
2489 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
2490 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
2492 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
2493 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
2494 dds.dds_ref_psize = zdde->zdde_ref_psize;
2495 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
2497 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0);
2499 umem_free(zdde, sizeof (*zdde));
2504 ddt_histogram_stat(&dds_total, &ddh_total);
2506 (void) printf("Simulated DDT histogram:\n");
2508 zpool_dump_ddt(&dds_total, &ddh_total);
2510 dump_dedup_ratio(&dds_total);
2514 dump_zpool(spa_t *spa)
2516 dsl_pool_t *dp = spa_get_dsl(spa);
2519 if (dump_opt['S']) {
2520 dump_simulated_ddt(spa);
2524 if (!dump_opt['e'] && dump_opt['C'] > 1) {
2525 (void) printf("\nCached configuration:\n");
2526 dump_nvlist(spa->spa_config, 8);
2533 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
2538 if (dump_opt['d'] > 2 || dump_opt['m'])
2539 dump_metaslabs(spa);
2541 if (dump_opt['d'] || dump_opt['i']) {
2542 dump_dir(dp->dp_meta_objset);
2543 if (dump_opt['d'] >= 3) {
2544 dump_bpobj(&spa->spa_deferred_bpobj, "Deferred frees");
2545 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2546 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
2547 "Pool snapshot frees");
2550 if (spa_feature_is_active(spa,
2551 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
2552 dump_bptree(spa->spa_meta_objset,
2553 spa->spa_dsl_pool->dp_bptree_obj,
2554 "Pool dataset frees");
2556 dump_dtl(spa->spa_root_vdev, 0);
2558 (void) dmu_objset_find(spa_name(spa), dump_one_dir,
2559 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
2561 if (dump_opt['b'] || dump_opt['c'])
2562 rc = dump_block_stats(spa);
2565 show_pool_stats(spa);
2574 #define ZDB_FLAG_CHECKSUM 0x0001
2575 #define ZDB_FLAG_DECOMPRESS 0x0002
2576 #define ZDB_FLAG_BSWAP 0x0004
2577 #define ZDB_FLAG_GBH 0x0008
2578 #define ZDB_FLAG_INDIRECT 0x0010
2579 #define ZDB_FLAG_PHYS 0x0020
2580 #define ZDB_FLAG_RAW 0x0040
2581 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
2586 zdb_print_blkptr(blkptr_t *bp, int flags)
2588 char blkbuf[BP_SPRINTF_LEN];
2590 if (flags & ZDB_FLAG_BSWAP)
2591 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
2593 sprintf_blkptr(blkbuf, bp);
2594 (void) printf("%s\n", blkbuf);
2598 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
2602 for (i = 0; i < nbps; i++)
2603 zdb_print_blkptr(&bp[i], flags);
2607 zdb_dump_gbh(void *buf, int flags)
2609 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
2613 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
2615 if (flags & ZDB_FLAG_BSWAP)
2616 byteswap_uint64_array(buf, size);
2617 VERIFY(write(fileno(stdout), buf, size) == size);
2621 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
2623 uint64_t *d = (uint64_t *)buf;
2624 int nwords = size / sizeof (uint64_t);
2625 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
2631 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
2633 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
2635 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
2637 for (i = 0; i < nwords; i += 2) {
2638 (void) printf("%06llx: %016llx %016llx ",
2639 (u_longlong_t)(i * sizeof (uint64_t)),
2640 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
2641 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
2644 for (j = 0; j < 2 * sizeof (uint64_t); j++)
2645 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
2646 (void) printf("\n");
2651 * There are two acceptable formats:
2652 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
2653 * child[.child]* - For example: 0.1.1
2655 * The second form can be used to specify arbitrary vdevs anywhere
2656 * in the heirarchy. For example, in a pool with a mirror of
2657 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
2660 zdb_vdev_lookup(vdev_t *vdev, char *path)
2668 /* First, assume the x.x.x.x format */
2669 i = (int)strtoul(path, &s, 10);
2670 if (s == path || (s && *s != '.' && *s != '\0'))
2672 if (i < 0 || i >= vdev->vdev_children)
2675 vdev = vdev->vdev_child[i];
2678 return (zdb_vdev_lookup(vdev, s+1));
2681 for (i = 0; i < vdev->vdev_children; i++) {
2682 vdev_t *vc = vdev->vdev_child[i];
2684 if (vc->vdev_path == NULL) {
2685 vc = zdb_vdev_lookup(vc, path);
2692 p = strrchr(vc->vdev_path, '/');
2693 p = p ? p + 1 : vc->vdev_path;
2694 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
2696 if (strcmp(vc->vdev_path, path) == 0)
2698 if (strcmp(p, path) == 0)
2700 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
2708 * Read a block from a pool and print it out. The syntax of the
2709 * block descriptor is:
2711 * pool:vdev_specifier:offset:size[:flags]
2713 * pool - The name of the pool you wish to read from
2714 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
2715 * offset - offset, in hex, in bytes
2716 * size - Amount of data to read, in hex, in bytes
2717 * flags - A string of characters specifying options
2718 * b: Decode a blkptr at given offset within block
2719 * *c: Calculate and display checksums
2720 * d: Decompress data before dumping
2721 * e: Byteswap data before dumping
2722 * g: Display data as a gang block header
2723 * i: Display as an indirect block
2724 * p: Do I/O to physical offset
2725 * r: Dump raw data to stdout
2727 * * = not yet implemented
2730 zdb_read_block(char *thing, spa_t *spa)
2732 blkptr_t blk, *bp = &blk;
2733 dva_t *dva = bp->blk_dva;
2735 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
2738 void *pbuf, *lbuf, *buf;
2739 char *s, *p, *dup, *vdev, *flagstr;
2742 dup = strdup(thing);
2743 s = strtok(dup, ":");
2745 s = strtok(NULL, ":");
2746 offset = strtoull(s ? s : "", NULL, 16);
2747 s = strtok(NULL, ":");
2748 size = strtoull(s ? s : "", NULL, 16);
2749 s = strtok(NULL, ":");
2750 flagstr = s ? s : "";
2754 s = "size must not be zero";
2755 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2756 s = "size must be a multiple of sector size";
2757 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2758 s = "offset must be a multiple of sector size";
2760 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2765 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2766 for (i = 0; flagstr[i]; i++) {
2767 int bit = flagbits[(uchar_t)flagstr[i]];
2770 (void) printf("***Invalid flag: %c\n",
2776 /* If it's not something with an argument, keep going */
2777 if ((bit & (ZDB_FLAG_CHECKSUM |
2778 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2781 p = &flagstr[i + 1];
2782 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2783 blkptr_offset = strtoull(p, &p, 16);
2784 if (*p != ':' && *p != '\0') {
2785 (void) printf("***Invalid flag arg: '%s'\n", s);
2792 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2794 (void) printf("***Invalid vdev: %s\n", vdev);
2799 (void) fprintf(stderr, "Found vdev: %s\n",
2802 (void) fprintf(stderr, "Found vdev type: %s\n",
2803 vd->vdev_ops->vdev_op_type);
2809 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2810 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2814 DVA_SET_VDEV(&dva[0], vd->vdev_id);
2815 DVA_SET_OFFSET(&dva[0], offset);
2816 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
2817 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
2819 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
2821 BP_SET_LSIZE(bp, lsize);
2822 BP_SET_PSIZE(bp, psize);
2823 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
2824 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
2825 BP_SET_TYPE(bp, DMU_OT_NONE);
2826 BP_SET_LEVEL(bp, 0);
2827 BP_SET_DEDUP(bp, 0);
2828 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
2830 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
2831 zio = zio_root(spa, NULL, NULL, 0);
2833 if (vd == vd->vdev_top) {
2835 * Treat this as a normal block read.
2837 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL,
2838 ZIO_PRIORITY_SYNC_READ,
2839 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
2842 * Treat this as a vdev child I/O.
2844 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize,
2845 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
2846 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2847 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
2848 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
2851 error = zio_wait(zio);
2852 spa_config_exit(spa, SCL_STATE, FTAG);
2855 (void) printf("Read of %s failed, error: %d\n", thing, error);
2859 if (flags & ZDB_FLAG_DECOMPRESS) {
2861 * We don't know how the data was compressed, so just try
2862 * every decompress function at every inflated blocksize.
2864 enum zio_compress c;
2865 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2866 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2868 bcopy(pbuf, pbuf2, psize);
2870 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize,
2871 SPA_MAXBLOCKSIZE - psize) == 0);
2873 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
2874 SPA_MAXBLOCKSIZE - psize) == 0);
2876 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
2877 lsize -= SPA_MINBLOCKSIZE) {
2878 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
2879 if (zio_decompress_data(c, pbuf, lbuf,
2880 psize, lsize) == 0 &&
2881 zio_decompress_data(c, pbuf2, lbuf2,
2882 psize, lsize) == 0 &&
2883 bcmp(lbuf, lbuf2, lsize) == 0)
2886 if (c != ZIO_COMPRESS_FUNCTIONS)
2888 lsize -= SPA_MINBLOCKSIZE;
2891 umem_free(pbuf2, SPA_MAXBLOCKSIZE);
2892 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
2894 if (lsize <= psize) {
2895 (void) printf("Decompress of %s failed\n", thing);
2905 if (flags & ZDB_FLAG_PRINT_BLKPTR)
2906 zdb_print_blkptr((blkptr_t *)(void *)
2907 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
2908 else if (flags & ZDB_FLAG_RAW)
2909 zdb_dump_block_raw(buf, size, flags);
2910 else if (flags & ZDB_FLAG_INDIRECT)
2911 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
2913 else if (flags & ZDB_FLAG_GBH)
2914 zdb_dump_gbh(buf, flags);
2916 zdb_dump_block(thing, buf, size, flags);
2919 umem_free(pbuf, SPA_MAXBLOCKSIZE);
2920 umem_free(lbuf, SPA_MAXBLOCKSIZE);
2925 pool_match(nvlist_t *cfg, char *tgt)
2927 uint64_t v, guid = strtoull(tgt, NULL, 0);
2931 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
2934 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
2935 return (strcmp(s, tgt) == 0);
2941 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
2944 nvlist_t *match = NULL;
2949 importargs_t args = { 0 };
2953 args.can_be_active = B_TRUE;
2955 if ((sepp = strpbrk(*target, "/@")) != NULL) {
2960 pools = zpool_search_import(g_zfs, &args);
2962 if (pools != NULL) {
2963 nvpair_t *elem = NULL;
2964 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2965 verify(nvpair_value_nvlist(elem, configp) == 0);
2966 if (pool_match(*configp, *target)) {
2968 if (match != NULL) {
2969 /* print previously found config */
2971 (void) printf("%s\n", name);
2972 dump_nvlist(match, 8);
2975 (void) printf("%s\n",
2977 dump_nvlist(*configp, 8);
2980 name = nvpair_name(elem);
2986 (void) fatal("\tMatched %d pools - use pool GUID "
2987 "instead of pool name or \n"
2988 "\tpool name part of a dataset name to select pool", count);
2993 * If pool GUID was specified for pool id, replace it with pool name
2995 if (name && (strstr(*target, name) != *target)) {
2996 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
2998 *target = umem_alloc(sz, UMEM_NOFAIL);
2999 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
3002 *configp = name ? match : NULL;
3008 main(int argc, char **argv)
3011 struct rlimit rl = { 1024, 1024 };
3013 objset_t *os = NULL;
3017 char **searchdirs = NULL;
3020 nvlist_t *policy = NULL;
3021 uint64_t max_txg = UINT64_MAX;
3022 int rewind = ZPOOL_NEVER_REWIND;
3024 (void) setrlimit(RLIMIT_NOFILE, &rl);
3025 (void) enable_extended_FILE_stdio(-1, -1);
3027 dprintf_setup(&argc, argv);
3029 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) {
3059 if (searchdirs == NULL) {
3060 searchdirs = umem_alloc(sizeof (char *),
3063 char **tmp = umem_alloc((nsearch + 1) *
3064 sizeof (char *), UMEM_NOFAIL);
3065 bcopy(searchdirs, tmp, nsearch *
3067 umem_free(searchdirs,
3068 nsearch * sizeof (char *));
3071 searchdirs[nsearch++] = optarg;
3074 max_txg = strtoull(optarg, NULL, 0);
3075 if (max_txg < TXG_INITIAL) {
3076 (void) fprintf(stderr, "incorrect txg "
3077 "specified: %s\n", optarg);
3082 spa_config_path = optarg;
3090 if (!dump_opt['e'] && searchdirs != NULL) {
3091 (void) fprintf(stderr, "-p option requires use of -e\n");
3096 if ((g_zfs = libzfs_init()) == NULL)
3100 verbose = MAX(verbose, 1);
3102 for (c = 0; c < 256; c++) {
3103 if (dump_all && !strchr("elAFLRSXP", c))
3106 dump_opt[c] += verbose;
3109 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
3110 zfs_recover = (dump_opt['A'] > 1);
3115 if (argc < 2 && dump_opt['R'])
3118 if (!dump_opt['e'] && dump_opt['C']) {
3119 dump_cachefile(spa_config_path);
3125 if (dump_opt['l']) {
3126 dump_label(argv[0]);
3130 if (dump_opt['X'] || dump_opt['F'])
3131 rewind = ZPOOL_DO_REWIND |
3132 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
3134 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
3135 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
3136 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
3137 fatal("internal error: %s", strerror(ENOMEM));
3142 if (dump_opt['e']) {
3143 nvlist_t *cfg = NULL;
3144 char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
3148 if (dump_opt['C'] > 1) {
3149 (void) printf("\nConfiguration for import:\n");
3150 dump_nvlist(cfg, 8);
3152 if (nvlist_add_nvlist(cfg,
3153 ZPOOL_REWIND_POLICY, policy) != 0) {
3154 fatal("can't open '%s': %s",
3155 target, strerror(ENOMEM));
3157 if ((error = spa_import(name, cfg, NULL,
3158 ZFS_IMPORT_MISSING_LOG)) != 0) {
3159 error = spa_import(name, cfg, NULL,
3160 ZFS_IMPORT_VERBATIM);
3166 if (strpbrk(target, "/@") == NULL || dump_opt['R']) {
3167 error = spa_open_rewind(target, &spa, FTAG, policy,
3171 * If we're missing the log device then
3172 * try opening the pool after clearing the
3175 mutex_enter(&spa_namespace_lock);
3176 if ((spa = spa_lookup(target)) != NULL &&
3177 spa->spa_log_state == SPA_LOG_MISSING) {
3178 spa->spa_log_state = SPA_LOG_CLEAR;
3181 mutex_exit(&spa_namespace_lock);
3184 error = spa_open_rewind(target, &spa,
3185 FTAG, policy, NULL);
3189 error = dmu_objset_own(target, DMU_OST_ANY,
3193 nvlist_free(policy);
3196 fatal("can't open '%s': %s", target, strerror(error));
3200 if (!dump_opt['R']) {
3202 zopt_objects = argc;
3203 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
3204 for (i = 0; i < zopt_objects; i++) {
3206 zopt_object[i] = strtoull(argv[i], NULL, 0);
3207 if (zopt_object[i] == 0 && errno != 0)
3208 fatal("bad number %s: %s",
3209 argv[i], strerror(errno));
3214 } else if (zopt_objects > 0 && !dump_opt['m']) {
3215 dump_dir(spa->spa_meta_objset);
3220 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
3221 flagbits['c'] = ZDB_FLAG_CHECKSUM;
3222 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
3223 flagbits['e'] = ZDB_FLAG_BSWAP;
3224 flagbits['g'] = ZDB_FLAG_GBH;
3225 flagbits['i'] = ZDB_FLAG_INDIRECT;
3226 flagbits['p'] = ZDB_FLAG_PHYS;
3227 flagbits['r'] = ZDB_FLAG_RAW;
3229 for (i = 0; i < argc; i++)
3230 zdb_read_block(argv[i], spa);
3233 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG);
3235 fuid_table_destroy();
3236 sa_loaded = B_FALSE;