Hi folks,
We are scratching our heads over this.
We have a solaris box with 10 disks mounted over 2 linus iscsi target hosts.
Across this we run a zfs pool tank like so ,

        NAME         STATE     READ WRITE CKSUM
        tank         ONLINE       0     0     0
          raidz1     ONLINE       0     0     0
            c4t20d0  ONLINE       0     0     0
            c4t22d0  ONLINE       0     0     0
            c4t21d0  ONLINE       0     3     0
          c4t19d0    ONLINE       0     0     0
          c4t18d0    ONLINE       0     0     0
          c4t17d0    ONLINE       0     0     0
          c4t16d0    ONLINE       0     0     0
          c4t15d0    ONLINE       0     0     0
          c4t24d0    ONLINE       0     0     0
        spares
          c4t23d0    AVAIL


One disk has being giving errors of late so today we ran

zpool replace tank c4t21d0 c4t23d0

During this the sun server crashed badly and when we finally got it
back up it now refuses to import the pool.
Strange thing is that zpool import gives the following,

[EMAIL PROTECTED] /> zpool import
  pool: tank
    id: 7497571907398141541
 state: ONLINE
action: The pool can be imported using its name or numeric identifier.
        The pool may be active on on another system, but can be imported using
        the '-f' flag.
config:

        tank           ONLINE
          raidz1       ONLINE
            c4t20d0    ONLINE
            c4t22d0    ONLINE
            spare      ONLINE
              c4t21d0  ONLINE
              c4t23d0  ONLINE
          c4t19d0      ONLINE
          c4t18d0      ONLINE
          c4t17d0      ONLINE
          c4t16d0      ONLINE
          c4t15d0      ONLINE
          c4t24d0      ONLINE
        spares
          c4t23d0

  pool: backup
    id: 11172080035114893345
 state: FAULTED
status: The pool metadata is corrupted.
action: The pool cannot be imported due to damaged devices or data.
   see: http://www.sun.com/msg/ZFS-8000-72
config:

        backup      FAULTED   corrupted data
          c3d0p0    ONLINE

The pool "backup" is an old pool that is no longer used.
The pool "tank" is marked as ONLINE but running zpool import tank gives

cannot import 'tank': pool may be in use from other system
use '-f' to import anyway

while zpool import -f tank gives

cannot import 'tank': pool is busy

Can anybody help me as to how to get it to import?

We are running ZFS version 3 on SunOS sol1 5.10 Generic_118855-33

Kind regards,
Michael
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