Hi,

One of my drives failed in Raidz2 with two hot spares:

# zpool status
  pool: fwgpool0
 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-8000-2Q
scrub: resilver completed after 0h0m with 0 errors on Mon Apr 25 14:45:44 2011
config:

        NAME                       STATE     READ WRITE CKSUM
        fwgpool0                   DEGRADED     0     0     0
          raidz2                   DEGRADED     0     0     0
            c4t5000C500108B406Ad0  ONLINE       0     0     0
            c4t5000C50010F436E2d0  ONLINE       0     0     0
            c4t5000C50011215B6Ed0  ONLINE       0     0     0
            c4t5000C50011234715d0  ONLINE       0     0     0
            c4t5000C50011252B4Ad0  ONLINE       0     0     0
            c4t5000C500112749EDd0  ONLINE       0     0     0
            c4t5000C5001128FE4Dd0  UNAVAIL      0     0     0  cannot open
            c4t5000C500112C4959d0  ONLINE       0     0     0
            c4t5000C50011318199d0  ONLINE       0     0     0
            c4t5000C500113C0E9Dd0  ONLINE       0     0     0
            c4t5000C500113D0229d0  ONLINE       0     0     0
            c4t5000C500113E97B8d0  ONLINE       0     0     0
            c4t5000C50014D065A9d0  ONLINE       0     0     0
            c4t5000C50014D0B3B9d0  ONLINE       0     0     0
            c4t5000C50014D55DEFd0  ONLINE       0     0     0
            c4t5000C50014D642B7d0  ONLINE       0     0     0
            c4t5000C50014D64521d0  ONLINE       0     0     0
            c4t5000C50014D69C14d0  ONLINE       0     0     0
            c4t5000C50014D6B2CFd0  ONLINE       0     0     0
            c4t5000C50014D6C6D7d0  ONLINE       0     0     0
            c4t5000C50014D6D486d0  ONLINE       0     0     0
            c4t5000C50014D6D77Fd0  ONLINE       0     0     0
        spares
          c4t5000C50014D70072d0    AVAIL
          c4t5000C50014D7058Dd0    AVAIL

errors: No known data errors


I'd expect the spare drives to auto-replace the failed one but this is not happening.

What am I missing?

I really would like to get the pool back in a healthy state using the spare drives before trying to identify which one is the failed drive in the storage array and trying to replace it. How do I do this?

Thanks for any hints.

--
Peter
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