I did this:

1): prtvtoc /dev/rdsk/c22t3d0s0 | fmthard -s - /dev/rdsk/c22t2d0s0
2): zpool import cn03
3): zpool status
  pool: cn03
 state: DEGRADED
status: One or more devices has experienced an error resulting in data
        corruption.  Applications may be affected.
action: Restore the file in question if possible.  Otherwise restore the
        entire pool from backup.
   see: http://www.sun.com/msg/ZFS-8000-8A
 scrub: none requested

        NAME                       STATE     READ WRITE CKSUM
        cn03                       DEGRADED     0     0    53
          raidz2-0                 ONLINE       0     0     0
            c4t5000C5000970B70Bd0  ONLINE       0     0     0
            c4t5000C5000972C693d0  ONLINE       0     0     0
            c4t5000C500097009DBd0  ONLINE       0     0     0
            c4t5000C500097040BFd0  ONLINE       0     0     0
            c4t5000C5000970727Fd0  ONLINE       0     0     0
            c4t5000C50009707487d0  ONLINE       0     0     0
            c4t5000C50009724377d0  ONLINE       0     0     0
            c4t5000C50039F0B447d0  ONLINE       0     0     0
          c22t3d0                  DEGRADED     0     0   120  too many errors
          c22t2d0                  DEGRADED     0     0    40  too many errors
          c4t50015179591C238Fd0    ONLINE       0     0     0
          c22t4d0                  ONLINE       0     0     0
          c22t5d0                  ONLINE       0     0     0
          c4t5000C5003AC39D5Fd0    UNAVAIL   cannot open

errors: 1 data errors, use '-v' for a list

  pool: rpool
 state: ONLINE
 scrub: none requested

        NAME                       STATE     READ WRITE CKSUM
        rpool                      ONLINE       0     0     0
          c4t500151795910D221d0s0  ONLINE       0     0     0

errors: No known data errors



From: Fred Liu
Sent: 星期二, 九月 20, 2011 9:23
To: Tony Kim; 'Richard Elling'
Subject: all the history


Following is the history:

The whole history is I found a ZIL device offline at about 2:00PM today from 
And I removed and replaced it with a backup device. But I mis-typed the adding
command like �C “zpool add cn03 c22t2d0” and correct command should be “ zpool 
add cn03 log
c22t2d0”.  The ZIL was wrongly added as a data device in cn03 pool. I noticed 
it so I physically
removed this device from server as I think raidz2 can afford this.

The commands I issued are “zpool add cn03 c22t2d0” and “zpool add �Cf cn03 

But the tragedy is coming, the cn03 whole pool is corrupted now:

zpool import
  pool: cn03
    id: 1907858070511204110
 state: UNAVAIL
status: One or more devices are missing from the system.
action: The pool cannot be imported. Attach the missing
        devices and try again.
   see: http://www.sun.com/msg/ZFS-8000-6X

        cn03                       UNAVAIL  missing device
          raidz2-0                 ONLINE
            c4t5000C5000970B70Bd0  ONLINE
            c4t5000C5000972C693d0  ONLINE
            c4t5000C500097009DBd0  ONLINE
            c4t5000C500097040BFd0  ONLINE
            c4t5000C5000970727Fd0  ONLINE
            c4t5000C50009707487d0  ONLINE
            c4t5000C50009724377d0  ONLINE
            c4t5000C50039F0B447d0  ONLINE
          c22t3d0                  ONLINE
          c4t50015179591C238Fd0    ONLINE
          c22t4d0                  ONLINE
          c22t5d0                  ONLINE

        Additional devices are known to be part of this pool, though their
        exact configuration cannot be determined.


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