[ZFS] How to fix corrupt ZDB
Beeblebrox
zaphod at berentweb.com
Thu Nov 8 16:07:41 UTC 2012
output for *# zdb* is the same as *# zdb -C*
bsdr:
version: 28
name: 'bsdr'
state: 0
txg: 43281
pool_guid: 18171682415991203571
hostid: 2739729201
hostname: 'rbsd.me'
vdev_children: 2
vdev_tree:
type: 'root'
id: 0
guid: 18171682415991203571
children[0]:
type: 'disk'
id: 0
guid: 3768638969829014374
path: '/dev/ada0'
phys_path: '/dev/ada0'
whole_disk: 1
metaslab_array: 30
metaslab_shift: 31
ashift: 9
asize: 320068124672
is_log: 0
DTL: 42
create_txg: 4
children[1]:
type: 'disk'
id: 1
guid: 1129540067409051140
path: '/dev/ada1p9'
phys_path: '/dev/ada1p9'
whole_disk: 1
metaslab_array: 166
metaslab_shift: 24
ashift: 12
asize: 2035548160
is_log: 1
create_txg: 23549
Interestingly, the log on SSD /dev/ada1p9 correctly shows ashift 12 - So
that is correct. Root pool is on a regular samsung (no 4k).
*# zdb -l /dev/ada0*
LABEL 0
--------------------------------------------
version: 28
name: 'bsdr'
state: 0
txg: 43281
pool_guid: 18171682415991203571
hostid: 2739729201
hostname: 'rbsd.me'
top_guid: 3768638969829014374
guid: 3768638969829014374
vdev_children: 2
vdev_tree:
type: 'disk'
id: 0
guid: 3768638969829014374
path: '/dev/ada0'
phys_path: '/dev/ada0'
whole_disk: 1
metaslab_array: 30
metaslab_shift: 31
ashift: 9
asize: 320068124672
is_log: 0
DTL: 42
create_txg: 4
The exact same information is repeated 4 times from LABEL 0 -> LABEL 3
*# zdb -l /dev/ada1p9 *
LABEL 0
--------------------------------------------
version: 28
name: 'bsdr'
state: 0
txg: 43281
pool_guid: 18171682415991203571
hostid: 2739729201
hostname: 'rbsd.me'
top_guid: 1129540067409051140
guid: 1129540067409051140
is_log: 1
vdev_children: 2
vdev_tree:
type: 'disk'
id: 1
guid: 1129540067409051140
path: '/dev/ada1p9'
phys_path: '/dev/ada1p9'
whole_disk: 1
metaslab_array: 166
metaslab_shift: 24
ashift: 12
asize: 2035548160
is_log: 1
create_txg: 23549
The exact same information is repeated 4 times from LABEL 0 -> LABEL 3
It looks like I made a big deal out of nothing?
--
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