[OpenIndiana-discuss] Broken zpool

[jason matthews]

You may want to consider restoring from backup.

j.

On 10/27/15 7:00 AM, Rainer Heilke wrote:
> Greetings.
>
> Some of you may remember that I had a couple disk failures recently. 
> One of those disk was the mirror for all of my critical data. The 
> problem is that, no matter what I do, I cannot get the data zpool 
> functioning:
>
> OpenIndiana (powered by illumos)    SunOS 5.11    oi_151a9    May 2015
> rheilke at eris:~$ zpool status -v data
>   pool: data
>  state: DEGRADED
> 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 Sun Oct 25 02:03:37 2015
>     602G scanned out of 1.66T at 601K/s, 530h45m to go
>     601G resilvered, 35.47% done
> config:
>
>         NAME                     STATE     READ WRITE CKSUM
>         data                     DEGRADED     1     0     0
>           mirror-0               DEGRADED     4     0     0
>             7152018192933189428  UNAVAIL      0     0     0  was 
> /dev/dsk/c11t8d1s0
>             c6d0                 ONLINE       0     0     4 (resilvering)
>             c7d1                 ONLINE       0     0     4 (resilvering)
>
> errors: List of errors unavailable (insufficient privileges)
>
> If I sudo the command with -v, it shows 3 or 4 erroros, and freezes.
>
> rheilke at eris:~$ sudo zpool detach data c11t8d1
> cannot detach c11t8d1: pool I/O is currently suspended
>
> rheilke at eris:~$ zpool offline data c11t8d1
> cannot offline c11t8d1: pool I/O is currently suspended
>
> Note that the resilver is going nowhere.
>
> I even attached c7d0, so that I could dettatch c11t8d1 without getting 
> the "Not enough mirrors" message, and now I can't detach either of 
> them, getting the same I/O suspended error. This was after I tried to 
> run the replace subcommand, getting the same error and nothing happening.
>
> No matter what I do, I get this I/O suspended. I _really_ need to get 
> at my data. I deliberately used a ZFS mirror so that I could still get 
> at my data, even if a HHD failed. But I can't. I can't even see my 
> data when only c6d0 and /rpool are connected, and all other drives 
> disconnected from the system.
>
> Does anyone have any ideas?
>
> Rainer
>