Having some fun times with people.apache.org:

minotaur# uname -a
FreeBSD minotaur.apache.org 7.2-STABLE FreeBSD 7.2-STABLE #0: Wed Aug  5 01:05:27 UTC 2009     root@loki.apache.org:/usr/obj/usr/src/sys/MINOTAUR  amd64
minotaur# zpool status
  pool: tank
 state: DEGRADED
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.
 scrub: resilver in progress for 0h1m, 0.01% done, 266h36m to go
config:

        NAME           STATE     READ WRITE CKSUM
        tank           DEGRADED     0     0     0
          raidz2       DEGRADED     0     0     0
            replacing  DEGRADED     0     0     0
              da14     UNAVAIL      3   570     0  experienced I/O failures
              da0      ONLINE       0     0     0  6.24M resilvered
            da1        ONLINE       0     0     0  4.06M resilvered
            da2        ONLINE       0     0     0  4.15M resilvered
            da3        ONLINE       0     0     0  4.09M resilvered
            da4        ONLINE       0     0     0  4.14M resilvered
            da5        ONLINE       0     0     0  4.10M resilvered
            da6        ONLINE       0     0     0  4.15M resilvered
            da7        ONLINE       0     0     0  4.11M resilvered
            da8        ONLINE       0     0     0  4.17M resilvered
            da9        ONLINE       0     0     0  4.08M resilvered
            da10       ONLINE       0     0     0  4.13M resilvered
            da11       ONLINE       0     0     0  4.14M resilvered
            da12       ONLINE       0     0     0  4.14M resilvered
            da13       ONLINE       0     0     0  4.08M resilvered
        spares
          da14         AVAIL   

errors: No known data errors

da14 failed. we had da0, not in the array yet, so we just did:

zpool replace tank da14 da0

But now it is stuck.

It never makes progress on the Resliver.

It sure sounds like this bug: http://bugs.opensolaris.org/viewbug.do?bugid=6655927

But this is FreeBSD 7-STABLE from earlier this month, and it really shouldn't be affected by that bug.

Sigh.




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