Hello David
If you want to move disks around with a controller port based detection, you should not just move the disk but insert a new disk on a new location followed by a disk replace for a bad disk.

You can replace a disk in the same port but should not insert the removed disk in another port (or do a pool export, switch disk and a pool import to read new locations)

In your case I would power off and switch the disk in port c2t0d0 to another conroller port. After a power on every disk should be on a different port what allows a remove of the faulted disk.

If you will find a pool with two missing disks, do a pool export + import to re-read all disks with their positions.

Gea
@napp-it.org


Am 01.11.2017 um 07:27 schrieb David Koski:
The boot drive had uncorrectable errors but still not faulted.  I put the mirrored drive into the boot drive position (c2t1d0s0 into slot of c2t0d0s0) and put a new drive in place of the drive that was moved into the boot position, then booted the machine and resilvered. However, the boot drive has a strange status where it appears twice in the zpool status, once faulted and once not:

# zpool status -x
  pool: syspool
 state: DEGRADED
status: One or more devices could not be used because the label is missing or
        invalid.  Sufficient replicas exist for the pool to continue
        functioning in a degraded state.
action: Replace the device using 'zpool replace'.
   see: http://www.sun.com/msg/ZFS-8000-4J
 scan: scrub repaired 0 in 0h3m with 0 errors on Tue Oct 31 21:59:25 2017
config:

        NAME          STATE     READ WRITE CKSUM
        syspool       DEGRADED     0     0     0
          mirror-0    DEGRADED     0     0     0
            c2t0d0s0  FAULTED      0     0     0  corrupted data
            c2t0d0s0  ONLINE       0     0     0
            c2t1d0s0  ONLINE       0     0     0

errors: No known data errors

Any ideas how to correct this and is it of concern?

Regards,
David Koski


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