ZFS...
Michelle Sullivan
michelle at sorbs.net
Wed May 1 02:26:21 UTC 2019
Xin LI wrote:
>
> On Tue, Apr 30, 2019 at 5:08 PM Michelle Sullivan <michelle at sorbs.net
> <mailto:michelle at sorbs.net>> wrote:
>
> but in my recent experience 2 issues colliding at the same time
> results in disaster
>
>
> Do we know exactly what kind of corruption happen to your pool? If
> you see it twice in a row, it might suggest a software bug that should
> be investigated.
>
Oh I did spot one interesting bug... though it is benign...
Check out the following (note the difference between 'zpool status' and
'zpool status -v'):
root at colossus:/mnt # zpool status
pool: storage
state: ONLINE
status: One or more devices is currently being resilvered. The pool will
continue to function, possibly in a degraded state.
action: Wait for the resilver to complete.
scan: resilver in progress since Mon Apr 29 20:22:03 2019
6.54T scanned at 0/s, 6.54T issued at 0/s, 28.8T total
445G resilvered, 22.66% done, no estimated completion time
config:
NAME STATE READ WRITE CKSUM
storage ONLINE 0 0 5
raidz2-0 ONLINE 0 0 20
mfid11 ONLINE 0 0 0
mfid10 ONLINE 0 0 0
mfid8 ONLINE 0 0 0
mfid7 ONLINE 0 0 0
mfid0 ONLINE 0 0 0
mfid5 ONLINE 0 0 0
mfid4 ONLINE 0 0 0
mfid3 ONLINE 0 0 0
mfid2 ONLINE 0 0 0
mfid14 ONLINE 0 0 0
mfid15 ONLINE 0 0 0
mfid6 ONLINE 0 0 0
mfid9 ONLINE 0 0 0
mfid13 ONLINE 0 0 0
mfid1 ONLINE 0 0 0
errors: 4 data errors, use '-v' for a list
root at colossus:/mnt # zpool status
pool: storage
state: ONLINE
status: One or more devices is currently being resilvered. The pool will
continue to function, possibly in a degraded state.
action: Wait for the resilver to complete.
scan: resilver in progress since Mon Apr 29 20:22:03 2019
6.54T scanned at 0/s, 6.54T issued at 0/s, 28.8T total
445G resilvered, 22.66% done, no estimated completion time
config:
NAME STATE READ WRITE CKSUM
storage ONLINE 0 0 5
raidz2-0 ONLINE 0 0 20
mfid11 ONLINE 0 0 0
mfid10 ONLINE 0 0 0
mfid8 ONLINE 0 0 0
mfid7 ONLINE 0 0 0
mfid0 ONLINE 0 0 0
mfid5 ONLINE 0 0 0
mfid4 ONLINE 0 0 0
mfid3 ONLINE 0 0 0
mfid2 ONLINE 0 0 0
mfid14 ONLINE 0 0 0
mfid15 ONLINE 0 0 0
mfid6 ONLINE 0 0 0
mfid9 ONLINE 0 0 0
mfid13 ONLINE 0 0 0
mfid1 ONLINE 0 0 0
errors: 4 data errors, use '-v' for a list
root at colossus:/mnt # zpool status -v
pool: storage
state: ONLINE
status: One or more devices is currently being resilvered. The pool will
continue to function, possibly in a degraded state.
action: Wait for the resilver to complete.
scan: resilver in progress since Mon Apr 29 20:22:03 2019
6.54T scanned at 0/s, 6.54T issued at 0/s, 28.8T total
445G resilvered, 22.66% done, no estimated completion time
config:
NAME STATE READ WRITE CKSUM
storage ONLINE 0 0 5
raidz2-0 ONLINE 0 0 20
mfid11 ONLINE 0 0 0
mfid10 ONLINE 0 0 0
mfid8 ONLINE 0 0 0
mfid7 ONLINE 0 0 0
mfid0 ONLINE 0 0 0
mfid5 ONLINE 0 0 0
mfid4 ONLINE 0 0 0
mfid3 ONLINE 0 0 0
mfid2 ONLINE 0 0 0
mfid14 ONLINE 0 0 0
mfid15 ONLINE 0 0 0
mfid6 ONLINE 0 0 0
mfid9 ONLINE 0 0 0
mfid13 ONLINE 0 0 0
mfid1 ONLINE 0 0 0
errors: Permanent errors have been detected in the following files:
<metadata>:<0x3e>
<metadata>:<0x5d>
storage:<0x0>
storage at now:<0x0>
root at colossus:/mnt # zpool status -v
pool: storage
state: ONLINE
status: One or more devices is currently being resilvered. The pool will
continue to function, possibly in a degraded state.
action: Wait for the resilver to complete.
scan: resilver in progress since Mon Apr 29 20:22:03 2019
6.54T scanned at 0/s, 6.54T issued at 0/s, 28.8T total
445G resilvered, 22.66% done, no estimated completion time
config:
NAME STATE READ WRITE CKSUM
storage ONLINE 0 0 7
raidz2-0 ONLINE 0 0 28
mfid11 ONLINE 0 0 0
mfid10 ONLINE 0 0 0
mfid8 ONLINE 0 0 0
mfid7 ONLINE 0 0 0
mfid0 ONLINE 0 0 0
mfid5 ONLINE 0 0 0
mfid4 ONLINE 0 0 0
mfid3 ONLINE 0 0 0
mfid2 ONLINE 0 0 0
mfid14 ONLINE 0 0 0
mfid15 ONLINE 0 0 0
mfid6 ONLINE 0 0 0
mfid9 ONLINE 0 0 0
mfid13 ONLINE 0 0 0
mfid1 ONLINE 0 0 0
errors: Permanent errors have been detected in the following files:
<metadata>:<0x3e>
<metadata>:<0x5d>
storage:<0x0>
storage at now:<0x0>
root at colossus:/mnt # zpool status -v
pool: storage
state: ONLINE
status: One or more devices is currently being resilvered. The pool will
continue to function, possibly in a degraded state.
action: Wait for the resilver to complete.
scan: resilver in progress since Mon Apr 29 20:22:03 2019
6.54T scanned at 0/s, 6.54T issued at 0/s, 28.8T total
445G resilvered, 22.66% done, no estimated completion time
config:
NAME STATE READ WRITE CKSUM
mfid10 ONLINE 0 0 0
mfid8 ONLINE 0 0 0
mfid7 ONLINE 0 0 0
mfid0 ONLINE 0 0 0
mfid5 ONLINE 0 0 0
mfid4 ONLINE 0 0 0
mfid3 ONLINE 0 0 0
mfid2 ONLINE 0 0 0
mfid14 ONLINE 0 0 0
mfid15 ONLINE 0 0 0
mfid6 ONLINE 0 0 0
mfid9 ONLINE 0 0 0
mfid13 ONLINE 0 0 0
mfid1 ONLINE 0 0 0
errors: Permanent errors have been detected in the following files:
<metadata>:<0x3e>
<metadata>:<0x5d>
storage:<0x0>
storage at now:<0x0>
root at colossus:/mnt # zpool status -v
pool: storage
state: ONLINE
status: One or more devices is currently being resilvered. The pool will
continue to function, possibly in a degraded state.
action: Wait for the resilver to complete.
scan: resilver in progress since Mon Apr 29 20:22:03 2019
6.54T scanned at 0/s, 6.54T issued at 0/s, 28.8T total
445G resilvered, 22.66% done, no estimated completion time
config:
NAME STATE READ WRITE CKSUM
storage ONLINE 0 0 11
raidz2-0 ONLINE 0 0 44
mfid11 ONLINE 0 0 0
mfid10 ONLINE 0 0 0
mfid8 ONLINE 0 0 0
mfid7 ONLINE 0 0 0
mfid0 ONLINE 0 0 0
mfid5 ONLINE 0 0 0
mfid4 ONLINE 0 0 0
mfid3 ONLINE 0 0 0
mfid2 ONLINE 0 0 0
mfid14 ONLINE 0 0 0
mfid15 ONLINE 0 0 0
mfid6 ONLINE 0 0 0
mfid9 ONLINE 0 0 0
mfid13 ONLINE 0 0 0
mfid1 ONLINE 0 0 0
errors: Permanent errors have been detected in the following files:
<metadata>:<0x3e>
<metadata>:<0x5d>
storage:<0x0>
storage at now:<0x0>
root at colossus:/mnt #
--
Michelle Sullivan
http://www.mhix.org/
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