[OpenIndiana-discuss] Predictive disk failure or not?

[cjt]

On 12/26/2013 06:52 PM, CJ Keist wrote:
> Happy Holidays everyone!
>
> Going through checking for any errors with my 81 2Tb disk drives and
> found one possible bad disk:
>
> Running iostat -En I found the following drive:
>
> c3t50014EE0AD40337Fd0 Soft Errors: 0 Hard Errors: 39 Transport Errors: 15
> Vendor: ATA      Product: WDC WD2002FAEX-0 Revision: 1D05 Serial No:
> WD-WMAY01084593
> Size: 2000.40GB <2000398934016 bytes>
> Media Error: 31 Device Not Ready: 0 No Device: 8 Recoverable: 0
> Illegal Request: 0 Predictive Failure Analysis: 0
>
> Running zpool status on the disk pool that this drive is in shows no
> errors. Question is what command line tool should I believe?  Should I
> go ahead and manually fail this disk or trust in ZFS to fail it? Any
> recommendations?
>
>    pool: data2
>   state: ONLINE
>    scan: none requested
> config:
>
>          NAME                       STATE     READ WRITE CKSUM
>          data2                      ONLINE       0     0     0
>            raidz2-0                 ONLINE       0     0     0
>              c3t50014EE600E409DDd0  ONLINE       0     0     0
>              c3t50014EE6AB9DF21Ad0  ONLINE       0     0     0
>              c3t50014EE002A3045Fd0  ONLINE       0     0     0
>              c3t50014EE600F35E8Bd0  ONLINE       0     0     0
>              c3t50014EE65648C033d0  ONLINE       0     0     0
>              c3t50014EE057F3544Ed0  ONLINE       0     0     0
>              c3t50014EE65648AFBAd0  ONLINE       0     0     0
>              c3t50014EE6AB8ED1DDd0  ONLINE       0     0     0
>              c3t50014EE002955685d0  ONLINE       0     0     0
>            raidz2-1                 ONLINE       0     0     0
>              c3t50014EE057F836D7d0  ONLINE       0     0     0
>              c3t50014EE057F395E3d0  ONLINE       0     0     0
>              c3t50014EE057F836AAd0  ONLINE       0     0     0
>              c3t50014EE6AB8EC5C0d0  ONLINE       0     0     0
>              c3t50014EE600F35BD2d0  ONLINE       0     0     0
>              c3t50014EE057F83626d0  ONLINE       0     0     0
>              c3t50014EE600F35DCFd0  ONLINE       0     0     0
>              c3t50014EE0AD404025d0  ONLINE       0     0     0
>              c3t50014EE00292D064d0  ONLINE       0     0     0
>            raidz2-2                 ONLINE       0     0     0
>              c3t50014EE057F836C9d0  ONLINE       0     0     0
>              c3t50014EE600F36A3Dd0  ONLINE       0     0     0
>              c3t50014EE6AB93CD2Cd0  ONLINE       0     0     0
>              c3t50014EE057F3CE4Ed0  ONLINE       0     0     0
>              c3t50014EE600F36036d0  ONLINE       0     0     0
>              c3t50014EE0AD40337Fd0  ONLINE       0     0     0
>              c3t50014EE6563EACC1d0  ONLINE       0     0     0
>              c3t50014EE057E8D336d0  ONLINE       0     0     0
>              c3t50014EE0AD3FCD84d0  ONLINE       0     0     0
>            raidz2-3                 ONLINE       0     0     0
>              c3t50014EE6AB9DFCF2d0  ONLINE       0     0     0
>              c3t50014EE65648BAEBd0  ONLINE       0     0     0
>              c3t50014EE002A304B3d0  ONLINE       0     0     0
>              c3t50014EE6AB9DFB8Cd0  ONLINE       0     0     0
>              c3t50014EE600F366DDd0  ONLINE       0     0     0
>              c3t50014EE6AB9DE50Bd0  ONLINE       0     0     0
>              c3t50014EE057F3D3A2d0  ONLINE       0     0     0
>              c3t50014EE6563E678Ad0  ONLINE       0     0     0
>              c3t50014EE25C801630d0  ONLINE       0     0     0
>
> errors: No known data errors
>
I would start with a

zpool scan data2

and see what happens.  But I don't claim to be an expert in these matters.