Hi.
I put zfs on my external usb-disk, so I can backup my harddisk with zfs
send/receive.
I now have corruption on this volume.
[r...@sjakie ~]# zpool status -v
pool: extern
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: scrub completed after 0h2m with 0 errors on Wed Jul 8 00:35:09
2009
config:
NAME STATE READ WRITE CKSUM
extern ONLINE 1 0 0
da0 ONLINE 9 0 0
errors: Permanent errors have been detected in the following files:
<0x3f>:<0xf5d6>
I don't really understand which files have corruption. :-(
In my syslog is this: (repeated quite often)
Jul 8 10:00:37 sjakie kernel: (da0:umass-sim0:0:0:0): SYNCHRONIZE
CACHE(10). CDB: 35 0 0 0 0 0 0 0 0 0
Jul 8 10:00:37 sjakie kernel: (da0:umass-sim0:0:0:0): CAM Status: SCSI
Status Error
Jul 8 10:00:37 sjakie kernel: (da0:umass-sim0:0:0:0): SCSI Status: Check
Condition
Jul 8 10:00:37 sjakie kernel: (da0:umass-sim0:0:0:0): ILLEGAL REQUEST
asc:20,0
Jul 8 10:00:37 sjakie kernel: (da0:umass-sim0:0:0:0): Invalid command
operation code
Jul 8 10:00:37 sjakie kernel: (da0:umass-sim0:0:0:0): Unretryable error
and sometimes
Jul 8 10:00:35 sjakie root: ZFS: vdev I/O failure, zpool=extern
path=/dev/da0 offset=127558877184 size=3072 error=5
Jul 8 10:00:35 sjakie root: ZFS: vdev I/O failure, zpool=extern
path=/dev/da0 offset=127558877184 size=3072 error=5
Jul 8 10:00:35 sjakie root: ZFS: zpool I/O failure, zpool=extern error=5
With varying offsets and sizes.
What can I conclude from this? Is the disk failing? Is the 'Invalid
command operation code' something to worry about? It didn't show up when
the disk was UFS.
I reinstalled the pool but the read-errors showed up again.
Thanks for any advice,
Ronald.
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