Cannot import pool - Corrupted metadata, I/O error

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brendanshoe

Cadet
Joined
Jun 12, 2014
Messages
6
After a loss in power, I rebooted my NAS and it was no longer able to mount my main pool. The output of a zfs import was as follows:

Code:
   pool: Pool

	 id: 17492755298469433864

  state: FAULTED

 status: The pool metadata is corrupted.

 action: The pool cannot be imported due to damaged devices or data.

		The pool may be active on another system, but can be imported using

		the '-f' flag.

   see: http://illumos.org/msg/ZFS-8000-72

 config:


		Pool											FAULTED  corrupted data

		  mirror-0									  ONLINE

			gptid/d9667391-14f9-11e3-bfdd-00012e2ff432  ONLINE

			gptid/d44c1fea-dee9-11e7-8b50-00012e2ff432  ONLINE

		  mirror-1									  ONLINE

			gptid/8c26dec8-168a-11e3-acff-00012e2ff432  ONLINE

			gptid/8cec3751-168a-11e3-acff-00012e2ff432  ONLINE

		  mirror-2									  ONLINE

			gptid/dd6c7a84-f3e4-11e3-95f0-00012e2ff432  ONLINE

			gptid/de70dc6b-f3e4-11e3-95f0-00012e2ff432  ONLINE


I tried to follow the instructions and import with various flags, including zpool import -fF Pool and zpool import -fFX Pool, but all attempts gave the following error:
Code:
cannot import 'Pool': I/O error

		Destroy and re-create the pool from

		a backup source.


Is this really the only resolution or is there something else I can do to try and recover? Any suggestions would be appreciated. Let me know if I should post more info to help troubleshoot this.
 
Last edited by a moderator:
Ericloewe

Ericloewe

Server Wrangler
Moderator
Joined
Feb 15, 2014
Messages
20,194
You can try to import it read-only, if that's more convenient than restoring from backup. Some corruption, like spacemap corruption, prevents writes but still allows for reads.
 
B

brendanshoe

Cadet
Joined
Jun 12, 2014
Messages
6
Thanks for the suggestions. Gave the zpool import -f -o readonly=on Pool a shot, it gave me the same error message as the other -f import attempts:
Code:
cannot import 'Pool': I/O error
		Destroy and re-create the pool from
		a backup source.
 
Last edited by a moderator:
B

brendanshoe

Cadet
Joined
Jun 12, 2014
Messages
6
As requested, the output of running zdb -l /dev/daXp2 for each drive. Put in a text file due to length, but let me know if it's easier to look through if I break it into parts/posts.
 

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  • zdb_output.txt
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Jailer

Jailer

Not strong, but bad
Joined
Sep 12, 2014
Messages
4,977
Copy the output and place it in code tags.
 
B

brendanshoe

Cadet
Joined
Jun 12, 2014
Messages
6
Code:
root@freenas:~ # zdb -l /dev/da0p2
--------------------------------------------
LABEL 0
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 5442305875174005664
	guid: 9835331705281262873
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 2
		guid: 5442305875174005664
		metaslab_array: 381
		metaslab_shift: 35
		ashift: 12
		asize: 3998634737664
		is_log: 0
		create_txg: 4846017
		children[0]:
			type: 'disk'
			id: 0
			guid: 9835331705281262873
			path: '/dev/gptid/dd6c7a84-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 794
			create_txg: 4846017
		children[1]:
			type: 'disk'
			id: 1
			guid: 9898228137804498322
			path: '/dev/gptid/de70dc6b-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 791
			create_txg: 4846017
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 1
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 5442305875174005664
	guid: 9835331705281262873
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 2
		guid: 5442305875174005664
		metaslab_array: 381
		metaslab_shift: 35
		ashift: 12
		asize: 3998634737664
		is_log: 0
		create_txg: 4846017
		children[0]:
			type: 'disk'
			id: 0
			guid: 9835331705281262873
			path: '/dev/gptid/dd6c7a84-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 794
			create_txg: 4846017
		children[1]:
			type: 'disk'
			id: 1
			guid: 9898228137804498322
			path: '/dev/gptid/de70dc6b-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 791
			create_txg: 4846017
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 2
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 5442305875174005664
	guid: 9835331705281262873
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 2
		guid: 5442305875174005664
		metaslab_array: 381
		metaslab_shift: 35
		ashift: 12
		asize: 3998634737664
		is_log: 0
		create_txg: 4846017
		children[0]:
			type: 'disk'
			id: 0
			guid: 9835331705281262873
			path: '/dev/gptid/dd6c7a84-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 794
			create_txg: 4846017
		children[1]:
			type: 'disk'
			id: 1
			guid: 9898228137804498322
			path: '/dev/gptid/de70dc6b-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 791
			create_txg: 4846017
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 3
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 5442305875174005664
	guid: 9835331705281262873
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 2
		guid: 5442305875174005664
		metaslab_array: 381
		metaslab_shift: 35
		ashift: 12
		asize: 3998634737664
		is_log: 0
		create_txg: 4846017
		children[0]:
			type: 'disk'
			id: 0
			guid: 9835331705281262873
			path: '/dev/gptid/dd6c7a84-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 794
			create_txg: 4846017
		children[1]:
			type: 'disk'
			id: 1
			guid: 9898228137804498322
			path: '/dev/gptid/de70dc6b-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 791
			create_txg: 4846017
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data

Code:
root@freenas:~ # zdb -l /dev/da1p2
--------------------------------------------
LABEL 0
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 5442305875174005664
	guid: 9898228137804498322
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 2
		guid: 5442305875174005664
		metaslab_array: 381
		metaslab_shift: 35
		ashift: 12
		asize: 3998634737664
		is_log: 0
		create_txg: 4846017
		children[0]:
			type: 'disk'
			id: 0
			guid: 9835331705281262873
			path: '/dev/gptid/dd6c7a84-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 794
			create_txg: 4846017
		children[1]:
			type: 'disk'
			id: 1
			guid: 9898228137804498322
			path: '/dev/gptid/de70dc6b-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 791
			create_txg: 4846017
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 1
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 5442305875174005664
	guid: 9898228137804498322
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 2
		guid: 5442305875174005664
		metaslab_array: 381
		metaslab_shift: 35
		ashift: 12
		asize: 3998634737664
		is_log: 0
		create_txg: 4846017
		children[0]:
			type: 'disk'
			id: 0
			guid: 9835331705281262873
			path: '/dev/gptid/dd6c7a84-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 794
			create_txg: 4846017
		children[1]:
			type: 'disk'
			id: 1
			guid: 9898228137804498322
			path: '/dev/gptid/de70dc6b-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 791
			create_txg: 4846017
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 2
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 5442305875174005664
	guid: 9898228137804498322
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 2
		guid: 5442305875174005664
		metaslab_array: 381
		metaslab_shift: 35
		ashift: 12
		asize: 3998634737664
		is_log: 0
		create_txg: 4846017
		children[0]:
			type: 'disk'
			id: 0
			guid: 9835331705281262873
			path: '/dev/gptid/dd6c7a84-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 794
			create_txg: 4846017
		children[1]:
			type: 'disk'
			id: 1
			guid: 9898228137804498322
			path: '/dev/gptid/de70dc6b-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 791
			create_txg: 4846017
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 3
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 5442305875174005664
	guid: 9898228137804498322
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 2
		guid: 5442305875174005664
		metaslab_array: 381
		metaslab_shift: 35
		ashift: 12
		asize: 3998634737664
		is_log: 0
		create_txg: 4846017
		children[0]:
			type: 'disk'
			id: 0
			guid: 9835331705281262873
			path: '/dev/gptid/dd6c7a84-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 794
			create_txg: 4846017
		children[1]:
			type: 'disk'
			id: 1
			guid: 9898228137804498322
			path: '/dev/gptid/de70dc6b-f3e4-11e3-95f0-00012e2ff432'
			whole_disk: 1
			DTL: 791
			create_txg: 4846017
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data

Code:
root@freenas:~ # zdb -l /dev/da2p2
--------------------------------------------
LABEL 0
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 12693374014758209140
	guid: 3598344709924754272
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 1
		guid: 12693374014758209140
		metaslab_array: 80
		metaslab_shift: 34
		ashift: 12
		asize: 1998246641664
		is_log: 0
		create_txg: 22656
		children[0]:
			type: 'disk'
			id: 0
			guid: 3598344709924754272
			path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 750
			create_txg: 22656
		children[1]:
			type: 'disk'
			id: 1
			guid: 4932290267351837142
			path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 735
			create_txg: 22656
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 1
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 12693374014758209140
	guid: 3598344709924754272
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 1
		guid: 12693374014758209140
		metaslab_array: 80
		metaslab_shift: 34
		ashift: 12
		asize: 1998246641664
		is_log: 0
		create_txg: 22656
		children[0]:
			type: 'disk'
			id: 0
			guid: 3598344709924754272
			path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 750
			create_txg: 22656
		children[1]:
			type: 'disk'
			id: 1
			guid: 4932290267351837142
			path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 735
			create_txg: 22656
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 2
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 12693374014758209140
	guid: 3598344709924754272
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 1
		guid: 12693374014758209140
		metaslab_array: 80
		metaslab_shift: 34
		ashift: 12
		asize: 1998246641664
		is_log: 0
		create_txg: 22656
		children[0]:
			type: 'disk'
			id: 0
			guid: 3598344709924754272
			path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 750
			create_txg: 22656
		children[1]:
			type: 'disk'
			id: 1
			guid: 4932290267351837142
			path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 735
			create_txg: 22656
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 3
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 12693374014758209140
	guid: 3598344709924754272
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 1
		guid: 12693374014758209140
		metaslab_array: 80
		metaslab_shift: 34
		ashift: 12
		asize: 1998246641664
		is_log: 0
		create_txg: 22656
		children[0]:
			type: 'disk'
			id: 0
			guid: 3598344709924754272
			path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 750
			create_txg: 22656
		children[1]:
			type: 'disk'
			id: 1
			guid: 4932290267351837142
			path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 735
			create_txg: 22656
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data

Code:
root@freenas:~ # zdb -l /dev/da3p2
--------------------------------------------
LABEL 0
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 12693374014758209140
	guid: 4932290267351837142
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 1
		guid: 12693374014758209140
		metaslab_array: 80
		metaslab_shift: 34
		ashift: 12
		asize: 1998246641664
		is_log: 0
		create_txg: 22656
		children[0]:
			type: 'disk'
			id: 0
			guid: 3598344709924754272
			path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 750
			create_txg: 22656
		children[1]:
			type: 'disk'
			id: 1
			guid: 4932290267351837142
			path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 735
			create_txg: 22656
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 1
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 12693374014758209140
	guid: 4932290267351837142
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 1
		guid: 12693374014758209140
		metaslab_array: 80
		metaslab_shift: 34
		ashift: 12
		asize: 1998246641664
		is_log: 0
		create_txg: 22656
		children[0]:
			type: 'disk'
			id: 0
			guid: 3598344709924754272
			path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 750
			create_txg: 22656
		children[1]:
			type: 'disk'
			id: 1
			guid: 4932290267351837142
			path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 735
			create_txg: 22656
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 2
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 12693374014758209140
	guid: 4932290267351837142
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 1
		guid: 12693374014758209140
		metaslab_array: 80
		metaslab_shift: 34
		ashift: 12
		asize: 1998246641664
		is_log: 0
		create_txg: 22656
		children[0]:
			type: 'disk'
			id: 0
			guid: 3598344709924754272
			path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 750
			create_txg: 22656
		children[1]:
			type: 'disk'
			id: 1
			guid: 4932290267351837142
			path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 735
			create_txg: 22656
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 3
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 12693374014758209140
	guid: 4932290267351837142
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 1
		guid: 12693374014758209140
		metaslab_array: 80
		metaslab_shift: 34
		ashift: 12
		asize: 1998246641664
		is_log: 0
		create_txg: 22656
		children[0]:
			type: 'disk'
			id: 0
			guid: 3598344709924754272
			path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8c26dec8-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 750
			create_txg: 22656
		children[1]:
			type: 'disk'
			id: 1
			guid: 4932290267351837142
			path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			phys_path: '/dev/gptid/8cec3751-168a-11e3-acff-00012e2ff432'
			whole_disk: 1
			DTL: 735
			create_txg: 22656
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data

Code:
root@freenas:~ # zdb -l /dev/da4p2
--------------------------------------------
LABEL 0
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 13047621745114242944
	guid: 6977014839906635118
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 0
		guid: 13047621745114242944
		metaslab_array: 34
		metaslab_shift: 34
		ashift: 12
		asize: 2998440558592
		is_log: 0
		create_txg: 4
		children[0]:
			type: 'disk'
			id: 0
			guid: 6977014839906635118
			path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			phys_path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			whole_disk: 1
			DTL: 778
			create_txg: 4
		children[1]:
			type: 'disk'
			id: 1
			guid: 6950045370669836654
			path: '/dev/gptid/d44c1fea-dee9-11e7-8b50-00012e2ff432'
			whole_disk: 1
			DTL: 196
			create_txg: 4
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 1
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 13047621745114242944
	guid: 6977014839906635118
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 0
		guid: 13047621745114242944
		metaslab_array: 34
		metaslab_shift: 34
		ashift: 12
		asize: 2998440558592
		is_log: 0
		create_txg: 4
		children[0]:
			type: 'disk'
			id: 0
			guid: 6977014839906635118
			path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			phys_path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			whole_disk: 1
			DTL: 778
			create_txg: 4
		children[1]:
			type: 'disk'
			id: 1
			guid: 6950045370669836654
			path: '/dev/gptid/d44c1fea-dee9-11e7-8b50-00012e2ff432'
			whole_disk: 1
			DTL: 196
			create_txg: 4
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 2
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 13047621745114242944
	guid: 6977014839906635118
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 0
		guid: 13047621745114242944
		metaslab_array: 34
		metaslab_shift: 34
		ashift: 12
		asize: 2998440558592
		is_log: 0
		create_txg: 4
		children[0]:
			type: 'disk'
			id: 0
			guid: 6977014839906635118
			path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			phys_path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			whole_disk: 1
			DTL: 778
			create_txg: 4
		children[1]:
			type: 'disk'
			id: 1
			guid: 6950045370669836654
			path: '/dev/gptid/d44c1fea-dee9-11e7-8b50-00012e2ff432'
			whole_disk: 1
			DTL: 196
			create_txg: 4
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 3
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 13047621745114242944
	guid: 6977014839906635118
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 0
		guid: 13047621745114242944
		metaslab_array: 34
		metaslab_shift: 34
		ashift: 12
		asize: 2998440558592
		is_log: 0
		create_txg: 4
		children[0]:
			type: 'disk'
			id: 0
			guid: 6977014839906635118
			path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			phys_path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			whole_disk: 1
			DTL: 778
			create_txg: 4
		children[1]:
			type: 'disk'
			id: 1
			guid: 6950045370669836654
			path: '/dev/gptid/d44c1fea-dee9-11e7-8b50-00012e2ff432'
			whole_disk: 1
			DTL: 196
			create_txg: 4
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data

Code:
root@freenas:~ # zdb -l /dev/da5p2
--------------------------------------------
LABEL 0
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 13047621745114242944
	guid: 6950045370669836654
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 0
		guid: 13047621745114242944
		metaslab_array: 34
		metaslab_shift: 34
		ashift: 12
		asize: 2998440558592
		is_log: 0
		create_txg: 4
		children[0]:
			type: 'disk'
			id: 0
			guid: 6977014839906635118
			path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			phys_path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			whole_disk: 1
			DTL: 778
			create_txg: 4
		children[1]:
			type: 'disk'
			id: 1
			guid: 6950045370669836654
			path: '/dev/gptid/d44c1fea-dee9-11e7-8b50-00012e2ff432'
			whole_disk: 1
			DTL: 196
			create_txg: 4
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 1
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 13047621745114242944
	guid: 6950045370669836654
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 0
		guid: 13047621745114242944
		metaslab_array: 34
		metaslab_shift: 34
		ashift: 12
		asize: 2998440558592
		is_log: 0
		create_txg: 4
		children[0]:
			type: 'disk'
			id: 0
			guid: 6977014839906635118
			path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			phys_path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			whole_disk: 1
			DTL: 778
			create_txg: 4
		children[1]:
			type: 'disk'
			id: 1
			guid: 6950045370669836654
			path: '/dev/gptid/d44c1fea-dee9-11e7-8b50-00012e2ff432'
			whole_disk: 1
			DTL: 196
			create_txg: 4
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 2
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 13047621745114242944
	guid: 6950045370669836654
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 0
		guid: 13047621745114242944
		metaslab_array: 34
		metaslab_shift: 34
		ashift: 12
		asize: 2998440558592
		is_log: 0
		create_txg: 4
		children[0]:
			type: 'disk'
			id: 0
			guid: 6977014839906635118
			path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			phys_path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			whole_disk: 1
			DTL: 778
			create_txg: 4
		children[1]:
			type: 'disk'
			id: 1
			guid: 6950045370669836654
			path: '/dev/gptid/d44c1fea-dee9-11e7-8b50-00012e2ff432'
			whole_disk: 1
			DTL: 196
			create_txg: 4
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
--------------------------------------------
LABEL 3
--------------------------------------------
	version: 5000
	name: 'Pool'
	state: 0
	txg: 22859152
	pool_guid: 17492755298469433864
	hostid: 2013113976
	hostname: ''
	top_guid: 13047621745114242944
	guid: 6950045370669836654
	vdev_children: 4
	vdev_tree:
		type: 'mirror'
		id: 0
		guid: 13047621745114242944
		metaslab_array: 34
		metaslab_shift: 34
		ashift: 12
		asize: 2998440558592
		is_log: 0
		create_txg: 4
		children[0]:
			type: 'disk'
			id: 0
			guid: 6977014839906635118
			path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			phys_path: '/dev/gptid/d9667391-14f9-11e3-bfdd-00012e2ff432'
			whole_disk: 1
			DTL: 778
			create_txg: 4
		children[1]:
			type: 'disk'
			id: 1
			guid: 6950045370669836654
			path: '/dev/gptid/d44c1fea-dee9-11e7-8b50-00012e2ff432'
			whole_disk: 1
			DTL: 196
			create_txg: 4
	features_for_read:
		com.delphix:hole_birth
		com.delphix:embedded_data
 
R

rs225

Guru
Joined
Jun 28, 2014
Messages
878
At the power failure, would you say the NAS was idle, under some load, or heavily loaded? How quickly does the error come back on standard zpool import -f?
 
B

brendanshoe

Cadet
Joined
Jun 12, 2014
Messages
6
I believe it was likely idle, but there is a chance it was under some light load. The error comes back immediately.
 
Status
Not open for further replies.

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