[OpenIndiana-discuss] Duplicate devices in zpool, degraded

[John D Groenveld]

>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

What happens when you "zpool replace syspool c2t0d0s0 c2t0d0s0"?

John
groenveld at acm.org