I'm trying to work out the case a remedy for a very sick iSCSI pool on a
Solaris 11 host.
The volume is exported from an Oracle storage appliance and there are no
errors reported there. The host has no entries in its logs relating to
the network connections.
Any zfs or zpool commands the change the state of the pool (such as zfs
mount or zpool export) hang and can't be killed.
fmadm faulty reports:
Jun 27 14:04:24 536fb2ad-1fca-c8b2-fc7d-f5a4a94c165d ZFS-8000-FD Major
Host : taitaklsc01
Platform : SUN-FIRE-X4170-M2-SERVER Chassis_id : 1142FMM02N
Product_sn : 1142FMM02N
Fault class : fault.fs.zfs.vdev.io
Affects : zfs://pool=fileserver/vdev=68c1bdefa6f97db8
faulted but still in service
Problem in : zfs://pool=fileserver/vdev=68c1bdefa6f97db8
faulted but still in service
Description : The number of I/O errors associated with a ZFS device exceeded
acceptable levels. Refer to
http://sun.com/msg/ZFS-8000-FD
for more information.
The zpool status paints a very gloomy picture:
pool: fileserver
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 Fri Jun 29 11:59:59 2012
858K scanned out of 15.7T at 43/s, (scan is slow, no estimated time)
567K resilvered, 0.00% done
config:
NAME STATE READ WRITE CKSUM
fileserver ONLINE 0 1.16M 0
c0t600144F096C94AC700004ECD96F20001d0 ONLINE 0
1.16M 0 (resilvering)
errors: 1557164 data errors, use '-v' for a list
Any ideas how to determine the cause of the problem and remedy it?
--
Ian.
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