Hello again,
I'm not making progress on this.
Every time I run a zpool scrub rpool I see:
$ zpool status -vx
pool: rpool
state: DEGRADED
status: One or more devices has experienced an error resulting in data
corruption. Applications may be affected.
action: Restore the file in question if possible. Otherwise restore the
entire pool from backup.
see: http://www.sun.com/msg/ZFS-8000-8A
scrub: scrub in progress for 0h0m, 0.01% done, 177h43m to go
config:
NAME STATE READ WRITE CKSUM
rpool DEGRADED 0 0 8
raidz1 DEGRADED 0 0 8
c0t0d0 DEGRADED 0 0 0 too many errors
c0t1d0 ONLINE 0 0 0
c0t2d0 ONLINE 0 0 0
errors: Permanent errors have been detected in the following files:
/export/duke/test/Acoustic/3466/88832/09 - Check.mp3
I popped in a brand new disk of the same size, and did a zpool replace on the
persistently degraded drive and the new drive. i.e.:
$ zpool replace rpool c0t0d0 c0t7d0
But that simply had the effect of transferring the issue to the new drive:
$ zpool status -xv rpool
pool: rpool
state: DEGRADED
status: One or more devices has experienced an error resulting in data
corruption. Applications may be affected.
action: Restore the file in question if possible. Otherwise restore the
entire pool from backup.
see: http://www.sun.com/msg/ZFS-8000-8A
scrub: resilver completed after 2h41m with 1 errors on Wed Jun 4 20:22:27 2008
config:
NAME STATE READ WRITE CKSUM
rpool DEGRADED 0 0 8
raidz1 DEGRADED 0 0 8
spare DEGRADED 0 0 0
c0t0d0 DEGRADED 0 0 0 too many errors
c0t7d0 ONLINE 0 0 0
c0t1d0 ONLINE 0 0 0
c0t2d0 ONLINE 0 0 0
spares
c0t7d0 INUSE currently in use
$ zpool detach rpool c0t0d0
$ zpool status -vx rpool
pool: rpool
state: ONLINE
status: One or more devices has experienced an error resulting in data
corruption. Applications may be affected.
action: Restore the file in question if possible. Otherwise restore the
entire pool from backup.
see: http://www.sun.com/msg/ZFS-8000-8A
scrub: resilver completed after 2h41m with 1 errors on Wed Jun 4 20:22:27 2008
config:
NAME STATE READ WRITE CKSUM
rpool ONLINE 0 0 8
raidz1 ONLINE 0 0 8
c0t7d0 ONLINE 0 0 0
c0t1d0 ONLINE 0 0 0
c0t2d0 ONLINE 0 0 0
errors: Permanent errors have been detected in the following files:
<0xc3>:<0x1c0>
$ zpool scrub rpool
...
$ zpool status -vx rpool
pool: rpool
state: DEGRADED
status: One or more devices has experienced an error resulting in data
corruption. Applications may be affected.
action: Restore the file in question if possible. Otherwise restore the
entire pool from backup.
see: http://www.sun.com/msg/ZFS-8000-8A
scrub: scrub in progress for 0h0m, 0.00% done, 0h0m to go
config:
NAME STATE READ WRITE CKSUM
rpool DEGRADED 0 0 4
raidz1 DEGRADED 0 0 4
c0t7d0 DEGRADED 0 0 0 too many errors
c0t1d0 ONLINE 0 0 0
c0t2d0 ONLINE 0 0 0
errors: Permanent errors have been detected in the following files:
/export/duke/test/Acoustic/3466/88832/09 - Check.mp3
$ rm -f "/export/duke/test/Acoustic/3466/88832/09 - Check.mp3"
rm: cannot remove `/export/duke/test/Acoustic/3466/88832/09 - Check.mp3': I/O
error
I'm guessing this isn't a hardware fault, but a glitch in ZFS - but am hoping
to be proved wrong.
Any ideas before I rebuild the pool from scratch? And if I do, is there
anything I can do to prevent this problem in the future?
B
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