I have a pool of 48 500GB disks across four SCSI channels (12 per channel).
One of the disks failed, and was replaced. The pool is now in a degraded
state, but I can't seem to get the pool to be happy with the replacement. I
did a resilver and the pool is error free with the exception of this dead
target.
vault:/#zpool status
pool: pool
state: DEGRADED
status: One or more devices could not be opened. Sufficient replicas exist for
the pool to continue functioning in a degraded state.
action: Attach the missing device and online it using 'zpool online'.
see: http://www.sun.com/msg/ZFS-8000-D3
scrub: resilver completed with 0 errors on Fri Jan 5 11:58:31 2007
config:
NAME STATE READ WRITE CKSUM
pool DEGRADED 0 0 0
raidz2 ONLINE 0 0 0
c3t0d0 ONLINE 0 0 0
c3t4d0 ONLINE 0 0 0
c3t8d0 ONLINE 0 0 0
c4t0d0 ONLINE 0 0 0
c4t4d0 ONLINE 0 0 0
c4t8d0 ONLINE 0 0 0
c5t0d0 ONLINE 0 0 0
c5t4d0 ONLINE 0 0 0
c5t8d0 ONLINE 0 0 0
c6t0d0 ONLINE 0 0 0
c6t4d0 ONLINE 0 0 0
c6t8d0 ONLINE 0 0 0
raidz2 ONLINE 0 0 0
c3t1d0 ONLINE 0 0 0
c3t5d0 ONLINE 0 0 0
c3t9d0 ONLINE 0 0 0
c4t1d0 ONLINE 0 0 0
c4t5d0 ONLINE 0 0 0
c4t9d0 ONLINE 0 0 0
c5t1d0 ONLINE 0 0 0
c5t5d0 ONLINE 0 0 0
c5t9d0 ONLINE 0 0 0
c6t1d0 ONLINE 0 0 0
c6t5d0 ONLINE 0 0 0
c6t9d0 ONLINE 0 0 0
raidz2 DEGRADED 0 0 0
c3t2d0 ONLINE 0 0 0
c3t6d0 ONLINE 0 0 0
c3t10d0 ONLINE 0 0 0
c4t2d0 ONLINE 0 0 0
c4t6d0 ONLINE 0 0 0
c4t10d0 ONLINE 0 0 0
c5t2d0 ONLINE 0 0 0
c5t6d0 UNAVAIL 0 0 0 cannot open
c5t10d0 ONLINE 0 0 0
c6t2d0 ONLINE 0 0 0
c6t6d0 ONLINE 0 0 0
c6t10d0 ONLINE 0 0 0
raidz2 ONLINE 0 0 0
c3t3d0 ONLINE 0 0 0
c3t7d0 ONLINE 0 0 0
c3t11d0 ONLINE 0 0 0
c4t3d0 ONLINE 0 0 0
c4t7d0 ONLINE 0 0 0
c4t11d0 ONLINE 0 0 0
c5t3d0 ONLINE 0 0 0
c5t7d0 ONLINE 0 0 0
c5t11d0 ONLINE 0 0 0
c6t3d0 ONLINE 0 0 0
c6t7d0 ONLINE 0 0 0
c6t11d0 ONLINE 0 0 0
errors: No known data errors
vault:/#zpool offline pool c5t6d0
cannot offline c5t6d0: no valid replicas
vault:/#
So WTF? This is a RAIDZ2 pool that is functional, and I can't offline a disk?
FWIW, I can see the disk:
vault:/#ls -l /dev/dsk/c5t6d0
lrwxrwxrwx 1 root root 74 Dec 29 20:39 /dev/dsk/c5t6d0 ->
../../devices/[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci10b5,[EMAIL
PROTECTED]/pci1000,[EMAIL PROTECTED]/[EMAIL PROTECTED],0:wd
vault:/#
And furthermore I can see it with the format command:
vault:/#format
Searching for disks...done
AVAILABLE DISK SELECTIONS:
...
30. c5t6d0 <IFT-A24U-G2421-1-347G-465.51GB>
/[EMAIL PROTECTED],0/pci10de,[EMAIL PROTECTED]/pci10b5,[EMAIL
PROTECTED]/pci1000,[EMAIL PROTECTED]/[EMAIL PROTECTED],0
...
vault:/#
So why in the world does zfs think that the disk isn't available and why can't
I re-enable it?
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