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afd2f7b711
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Pavel Zakharov afd2f7b711 OpenZFS 8962 - zdb should work on non-idle pools 
Currently `zdb` consistently fails to examine non-idle pools as it
fails during the `spa_load()` process. The main problem seems to be
that `spa_load_verify()` fails as can be seen below:

    $ sudo zdb -d -G dcenter
    zdb: can't open 'dcenter': I/O error

    ZFS_DBGMSG(zdb):
    spa_open_common: opening dcenter
    spa_load(dcenter): LOADING
    disk vdev '/dev/dsk/c4t11d0s0': best uberblock found for spa dcenter. txg 40824950
    spa_load(dcenter): using uberblock with txg=40824950
    spa_load(dcenter): UNLOADING
    spa_load(dcenter): RELOADING
    spa_load(dcenter): LOADING
    disk vdev '/dev/dsk/c3t10d0s0': best uberblock found for spa dcenter. txg 40824952
    spa_load(dcenter): using uberblock with txg=40824952
    spa_load(dcenter): FAILED: spa_load_verify failed [error=5]
    spa_load(dcenter): UNLOADING

This change makes `spa_load_verify()` a dryrun when ran from
`zdb`. This is done by creating a global flag in zfs and then setting
it in `zdb`.

Authored by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Andy Stormont <astormont@racktopsystems.com>
Approved by: Dan McDonald <danmcd@joyent.com>
Ported-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Tim Chase <tim@chase2k.com>

OpenZFS-issue: https://illumos.org/issues/8962
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/180ad792
Closes #7459
2018-05-08 21:32:57 -07:00
..
abd.c
arc.c Add support for decryption faults in zinject 2018-05-02 15:36:20 -07:00
blkptr.c
bplist.c
bpobj.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
bptree.c
bqueue.c
dbuf_stats.c
dbuf.c assertion in arc_release() during encrypted receive 2018-04-17 11:06:54 -07:00
ddt_zap.c
ddt.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dmu_diff.c Fix issues found with zfs diff 2018-05-01 11:24:20 -07:00
dmu_object.c Fix object reclaim when using large dnodes 2018-04-17 11:13:57 -07:00
dmu_objset.c Adopt pyzfs from ClusterHQ 2018-05-01 10:33:35 -07:00
dmu_send.c OpenZFS 9256 - zfs send space estimation off by > 10% on some datasets 2018-05-08 08:59:24 -07:00
dmu_traverse.c Fix hung z_zvol tasks during 'zfs receive' 2018-03-30 12:10:01 -07:00
dmu_tx.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dmu_zfetch.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dmu.c assertion in arc_release() during encrypted receive 2018-04-17 11:06:54 -07:00
dnode_sync.c
dnode.c Fix object reclaim when using large dnodes 2018-04-17 11:13:57 -07:00
dsl_bookmark.c
dsl_crypt.c Add support for decryption faults in zinject 2018-05-02 15:36:20 -07:00
dsl_dataset.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_deadlist.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_deleg.c
dsl_destroy.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_dir.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_pool.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_prop.c
dsl_scan.c OpenZFS 9443 - panic when scrub a v10 pool 2018-05-04 10:47:10 -07:00
dsl_synctask.c
dsl_userhold.c
edonr_zfs.c
fm.c
gzip.c Resolve QAT issues with incompressible data 2018-03-29 17:40:34 -07:00
hkdf.c
lz4.c
lzjb.c
Makefile.in OpenZFS 9079 - race condition in starting and ending condensing thread for indirect vdevs 2018-04-14 12:23:53 -07:00
metaslab.c Silence compile-time warning on unused variable 2018-05-01 11:15:54 -07:00
mmp.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
multilist.c
pathname.c
policy.c Take user namespaces into account in policy checks 2018-03-07 15:40:42 -08:00
qat_compress.c Fix inst_num overflow in qat_crypt.c 2018-05-01 20:44:24 -07:00
qat_crypt.c Fix inst_num overflow in qat_crypt.c 2018-05-01 20:44:24 -07:00
qat.c SHA256 QAT acceleration 2018-03-15 10:53:58 -07:00
qat.h Resolve QAT issues with incompressible data 2018-03-29 17:40:34 -07:00
range_tree.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
refcount.c
rrwlock.c
sa.c
sha256.c SHA256 QAT acceleration 2018-03-15 10:53:58 -07:00
skein_zfs.c
spa_boot.c
spa_config.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
spa_errlog.c
spa_history.c
spa_misc.c OpenZFS 8961 - SPA load/import should tell us why it failed 2018-05-08 21:30:10 -07:00
spa_stats.c Record skipped MMP writes in multihost_history 2018-03-06 15:15:15 -08:00
spa.c OpenZFS 8962 - zdb should work on non-idle pools 2018-05-08 21:32:57 -07:00
space_map.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
space_reftree.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
trace.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
txg.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
uberblock.c
unique.c
vdev_cache.c
vdev_disk.c OpenZFS 8961 - SPA load/import should tell us why it failed 2018-05-08 21:30:10 -07:00
vdev_file.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
vdev_indirect_births.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
vdev_indirect_mapping.c Revert "OpenZFS 9036 - zfs: duplicate 'const' declaration specifier" 2018-04-16 12:44:40 -07:00
vdev_indirect.c Fix CONFIG_GCC_PLUGIN_RANDSTRUCT build 2018-04-20 09:53:25 -07:00
vdev_label.c OpenZFS 8961 - SPA load/import should tell us why it failed 2018-05-08 21:30:10 -07:00
vdev_mirror.c OpenZFS 9290 - device removal reduces redundancy of mirrors 2018-04-14 12:21:39 -07:00
vdev_missing.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
vdev_queue.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
vdev_raidz_math_aarch64_neon_common.h
vdev_raidz_math_aarch64_neon.c
vdev_raidz_math_aarch64_neonx2.c
vdev_raidz_math_avx2.c
vdev_raidz_math_avx512bw.c
vdev_raidz_math_avx512f.c
vdev_raidz_math_impl.h
vdev_raidz_math_scalar.c
vdev_raidz_math_sse2.c
vdev_raidz_math_ssse3.c
vdev_raidz_math.c
vdev_raidz.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
vdev_removal.c OpenZFS 9434 - Speculative prefetch is blocked by device removal code 2018-04-30 13:05:55 -07:00
vdev_root.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
vdev.c OpenZFS 8961 - SPA load/import should tell us why it failed 2018-05-08 21:30:10 -07:00
zap_leaf.c Fix ENOSPC in "Handle zap_add() failures in ..." 2018-04-18 14:19:50 -07:00
zap_micro.c Fix ENOSPC in "Handle zap_add() failures in ..." 2018-04-18 14:19:50 -07:00
zap.c Fix ENOSPC in "Handle zap_add() failures in ..." 2018-04-18 14:19:50 -07:00
zcp_get.c
zcp_global.c
zcp_iter.c
zcp_synctask.c
zcp.c
zfeature.c
zfs_acl.c OpenZFS 9213 - zfs: sytem typo 2018-04-15 10:59:13 -07:00
zfs_byteswap.c
zfs_ctldir.c
zfs_debug.c enable zfs_dbgmsg() by default, without dprintf() 2018-03-21 15:37:32 -07:00
zfs_dir.c Fix ENOSPC in "Handle zap_add() failures in ..." 2018-04-18 14:19:50 -07:00
zfs_fm.c Decryption error handling improvements 2018-03-31 11:12:51 -07:00
zfs_fuid.c
zfs_ioctl.c Fix 'zpool create -t <tempname>' 2018-05-07 21:11:58 -07:00
zfs_log.c
zfs_onexit.c
zfs_ratelimit.c
zfs_replay.c
zfs_rlock.c
zfs_sa.c
zfs_vfsops.c
zfs_vnops.c RHEL 7.5 compat: FMODE_KABI_ITERATE 2018-05-02 15:01:24 -07:00
zfs_znode.c OpenZFS 9421, 9422 - zdb show possibly leaked objects 2018-05-04 10:50:24 -07:00
zil.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
zio_checksum.c
zio_compress.c
zio_crypt.c Add support for decryption faults in zinject 2018-05-02 15:36:20 -07:00
zio_inject.c Add support for decryption faults in zinject 2018-05-02 15:36:20 -07:00
zio.c Add support for decryption faults in zinject 2018-05-02 15:36:20 -07:00
zle.c
zpl_ctldir.c RHEL 7.5 compat: FMODE_KABI_ITERATE 2018-05-02 15:01:24 -07:00
zpl_export.c
zpl_file.c RHEL 7.5 compat: FMODE_KABI_ITERATE 2018-05-02 15:01:24 -07:00
zpl_inode.c
zpl_super.c Allow mounting datasets more than once 2018-04-13 10:44:05 -07:00
zpl_xattr.c
zrlock.c Fix race in trace point in zrl_add_impl 2018-03-12 11:27:02 -07:00
zthr.c Avoid Linux hung task message in ZTHR 2018-04-15 15:12:28 -07:00
zvol.c Linux compat 4.16: blk_queue_flag_{set,clear} 2018-04-10 10:32:14 -07:00