[OpenIndiana-discuss] Broken zpool

[Rainer Heilke]

I don't have a backup. I can't afford the gear to back up terabytes of 
data, which is why I had the zpool on mirrored disks to begin with.

Rainer

On 27/10/2015 12:30 PM, jason matthews wrote:
>
>
>
> 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
>>
>
>
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