zfs and 512/4096 sector sizes

krad kraduk at gmail.com
Fri Dec 19 14:37:25 UTC 2014


If you do every rebuild the pool for whatever reason, make sure yor create
it with ashift=12. We so many drives its an inevitability at some point you
will be forced down the 4k drive path, so its best to prepare for it as
soon as you can, and save some head aches in the future

On 18 December 2014 at 14:41, Mike Tancsa <mike at sentex.net> wrote:

> On 12/17/2014 6:12 PM, Andriy Gapon wrote:
>
>>
>>> yet, zfs is still complaining
>>>
>>
>> Does zpool clear help in this situation?
>>
>>
>
> Looks like a reboot was needed to fix the issue.
>
> # zpool status
>   pool: tank1
>  state: ONLINE
>   scan: resilvered 898G in 8h4m with 0 errors on Wed Dec 17 15:01:18 2014
> config:
>
>         NAME        STATE     READ WRITE CKSUM
>         tank1       ONLINE       0     0     0
>           raidz1-0  ONLINE       0     0     0
>             ada12   ONLINE       0     0     0
>             ada10   ONLINE       0     0     0
>             ada6    ONLINE       0     0     0
>             ada14   ONLINE       0     0     0
>           raidz1-1  ONLINE       0     0     0
>             ada11   ONLINE       0     0     0
>             ada1    ONLINE       0     0     0
>             ada8    ONLINE       0     0     0
>             ada9    ONLINE       0     0     0
>           raidz1-2  ONLINE       0     0     0
>             ada13   ONLINE       0     0     0
>             ada4    ONLINE       0     0     0
>             ada5    ONLINE       0     0     0
>             ada7    ONLINE       0     0     0
>
> errors: No known data errors
>
>
>
>
> --
> -------------------
> Mike Tancsa, tel +1 519 651 3400
> Sentex Communications, mike at sentex.net
> Providing Internet services since 1994 www.sentex.net
> Cambridge, Ontario Canada   http://www.tancsa.com/
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