[OpenIndiana-discuss] [zfs] problem on my zpool

Clement BRIZARD clement at brizou.fr
Wed Oct 23 06:46:54 UTC 2013


I cleared the "degraded" disk. we will see what happens  in 131hours

   pool: nas
  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 Wed Oct 23 08:25:56 2013
     2.23G scanned out of 22.2T at 48.6M/s, 133h22m to go
     6.10M resilvered, 0.01% done
config:

	NAME                         STATE     READ WRITE CKSUM     CAP            Product
	nas                          ONLINE       0     0     0
	  raidz1-0                   ONLINE       0     0     0
	    c8t50024E9004993E6Ed0p0  ONLINE       0     0     0     2 TB           SAMSUNG HD204UI
	    c8t50024E92062E7524d0    ONLINE       0     0     0     2 TB           SAMSUNG HD204UI
	    c8t50024E900495BE84d0p0  ONLINE       0     0     0     2 TB           SAMSUNG HD204UI
	    c8t50014EE25A5EEC23d0p0  ONLINE       0     0     0     2 TB           WDC WD20EARS-00M
	    c8t50024E9003F03980d0p0  ONLINE       0     0     0     2 TB           SAMSUNG HD204UI
	    c8t50014EE2B0D3EFC8d0    ONLINE       0     0     0     2 TB           WDC WD20EARX-00P
	    c8t50014EE6561DDB4Cd0p0  ONLINE       0     0     0     2 TB           WDC WD20EARS-00M
	    c8t50024E9003F03A09d0p0  ONLINE       0     0     0     2 TB           SAMSUNG HD204UI
	  raidz1-1                   ONLINE       0     0     0
	    c50t8d0                  ONLINE       0     0     0  (resilvering)     2 TB           ST2000DL004 HD20
	    c2d0                     ONLINE       0     0     0  (resilvering)     2 TB
	    c1d0                     ONLINE       0     0     0  (resilvering)     2 TB
	    c50t11d0                 ONLINE       0     0     0     2 TB           SAMSUNG HD204UI
	    c50t10d0                 ONLINE       0     0     0  (resilvering)     2 TB           SAMSUNG HD204UI




Le 23/10/2013 08:43, Clement BRIZARD a écrit :
> I woke up this morning and so you're messages, unfortunately I had to 
> reboot, the server completely froze.
> Now I have that :
>
>   pool: nas
>  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 Wed Oct 23 08:19:42 2013
>     5.81G scanned out of 22.2T at 49.2M/s, 131h43m to go
>     15.6M resilvered, 0.03% done
> config:
>
>     NAME                         STATE     READ WRITE CKSUM
>     nas                          DEGRADED     0     0     0
>       raidz1-0                   DEGRADED     0     0     0
>         c8t50024E9004993E6Ed0p0  ONLINE       0     0     0
>         c8t50024E92062E7524d0    ONLINE       0     0     0
>         c8t50024E900495BE84d0p0  ONLINE       0     0     0
>         c8t50014EE25A5EEC23d0p0  ONLINE       0     0     0
>         c8t50024E9003F03980d0p0  ONLINE       0     0     0
>         c8t50014EE2B0D3EFC8d0    ONLINE       0     0     0
>         c8t50014EE6561DDB4Cd0p0  DEGRADED     0     0     0  too many 
> errors
>         c8t50024E9003F03A09d0p0  ONLINE       0     0     0
>       raidz1-1                   ONLINE       0     0     0
>         c50t8d0                  ONLINE       0     0     0 (resilvering)
>         c2d0                     ONLINE       0     0     0 (resilvering)
>         c1d0                     ONLINE       0     0     0 (resilvering)
>         c50t11d0                 ONLINE       0     0     0
>         c50t10d0                 ONLINE       0     0     0 (resilvering)
>
>
>
>
>
> Le 23/10/2013 08:00, Jason Matthews a écrit :
>>
>> first, dont reboot. if you do you might not be able remount the pool. 
>> the data you see is from the disks that are functioning. listing the 
>> files and copying complete files are two different things. if you 
>> dont have a backup you may need to copy whatever partial data you can 
>> from the broken pool.
>>
>> now let's start by getting the disks back in good shape.
>>
>> clear the degraded disk
>> zpool clear c8t50014EE6561DDB4Cd0p0
>>
>> reseat the missing disks in the hopes they come back then clear them
>>
>> check cfgadm -al and make sure they are connected and configured
>>
>> when you reseat them check the messages (or dmesg) to see if the 
>> system notices the re-insertion. if it does see the disk installed 
>> clear the disks in the pool in effort to bring the pool back to an 
>> operational state.
>>
>> Sent from Jasons' hand held
>>
>> On Oct 22, 2013, at 5:04 PM, Clement BRIZARD <clement at brizou.fr> wrote:
>>
>>> Hello everybody,
>>> I have a problem with my pool, I had some slowdowns lately on my nfs 
>>> share of my zfs pool. A weekly scrub began and is still running but 
>>> it worries me, it currently returne that
>>>
>>>   pool: nas
>>> state: UNAVAIL
>>> status: One or more devices are faulted in response to IO failures.
>>> action: Make sure the affected devices are connected, then run 
>>> 'zpool clear'.
>>>    see: http://illumos.org/msg/ZFS-8000-HC
>>>   scan: scrub in progress since Sun Oct 20 19:29:23 2013
>>>     15.2T scanned out of 22.2T at 84.0M/s, 24h5m to go
>>>     1.29G repaired, 68.67% done
>>> config:
>>>
>>>     NAME                         STATE     READ WRITE CKSUM
>>>     nas                          UNAVAIL     63     2     0 
>>> insufficient replicas
>>>       raidz1-0                   DEGRADED     0     0     0
>>>         c8t50024E9004993E6Ed0p0  ONLINE       0     0     0
>>>         c8t50024E92062E7524d0    ONLINE       0     0     0
>>>         c8t50024E900495BE84d0p0  ONLINE       0     0     0
>>>         c8t50014EE25A5EEC23d0p0  ONLINE       0     0     0
>>>         c8t50024E9003F03980d0p0  ONLINE       0     0     1 (repairing)
>>>         c8t50014EE2B0D3EFC8d0    ONLINE       0     0     0
>>>         c8t50014EE6561DDB4Cd0p0  DEGRADED     0     0   211 too many 
>>> errors  (repairing)
>>>         c8t50024E9003F03A09d0p0  ONLINE       0     0    18 (repairing)
>>>       raidz1-1                   UNAVAIL    131     9     0 
>>> insufficient replicas
>>>         c50t8d0                  REMOVED      0     0     0 (repairing)
>>>         c2d0                     ONLINE       0     0     0 (repairing)
>>>         c1d0                     ONLINE       0     0     0 (repairing)
>>>         c50t11d0                 ONLINE       0     0     0 (repairing)
>>>         c50t10d0                 REMOVED      0     0     0
>>>
>>> errors: 10972861 data errors, use '-v' for a list
>>>
>>>
>>> really weird, I haven't disconnected any disk. For several hours 
>>> even if it said that the pool was unavailable I was browsing on it 
>>> via nfs. I can't anymore.
>>>
>>>
>>> What do you think I should do ?
>>>
>>>
>>>
>>> _______________________________________________
>>> OpenIndiana-discuss mailing list
>>> OpenIndiana-discuss at openindiana.org
>>> http://openindiana.org/mailman/listinfo/openindiana-discuss
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>
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