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Date: Sat, 16 Nov 2013 11:23:11 +0200
From: Vladislav Prodan <universite@ukr.net>
Subject: Re[2]: [ZFS] cannot detach /dev/gpt/system-disk-60: no valid replicas
To: Steven Hartland <killing@multiplay.co.uk>
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> Run zpool status -v and either remove or restore the files
> indicated to have an issue.
> 
> Once this is done my may well have more luck removing the device.
> 
> Regards
> Steve
> 
After removal of snapshots:

root@mfsbsd:~ # zpool status -v
  pool: tank
 state: ONLINE
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.
  scan: resilver in progress since Sat Nov 16 00:53:04 2013
        44.1G scanned out of 51.8G at 1.48M/s, 1h28m to go
        44.1G resilvered, 85.11% done
config:

        NAME                    STATE     READ WRITE CKSUM
        tank                    ONLINE       0     0     3
          replacing-0           ONLINE       0     0     6
            gpt/system-disk-60  ONLINE       0     0     6
            gpt/disk-90         ONLINE       0     0     6  (resilvering)

errors: Permanent errors have been detected in the following files:

        <0x1618>:<0x9b83>
        <0x1618>:<0x12c87>
        <0x161a>:<0x3170>



-- 
Vladislav V. Prodan            
System & Network Administrator 
http://support.od.ua           
+380 67 4584408, +380 99 4060508
VVP88-RIPE