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Date:      Wed, 17 Dec 2014 13:41:06 -0700
From:      jd1008 <jd1008@gmail.com>
To:        Mike Tancsa <mike@sentex.net>, freebsd-questions@freebsd.org
Subject:   Re: zfs and 512/4096 sector sizes
Message-ID:  <5491EA62.2080401@gmail.com>
In-Reply-To: <5491E82D.8090105@sentex.net>
References:  <5491E462.2020902@sentex.net> <5491E5A0.9090306@gmail.com> <5491E61B.9070505@bluerosetech.com> <5491E775.5010403@gmail.com> <5491E82D.8090105@sentex.net>

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On 12/17/2014 01:31 PM, Mike Tancsa wrote:
> On 12/17/2014 3:28 PM, jd1008 wrote:
>>> Does the zpool clear command make it go away?
>
>
> Nope, tried that :(
>
> # zpool clear tank1 ada11
> # zpool status
>   pool: tank1
>  state: ONLINE
> status: One or more devices are configured to use a non-native block 
> size.
>         Expect reduced performance.
> action: Replace affected devices with devices that support the
>         configured block size, or migrate data to a properly configured
>         pool.
>   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  block size: 512B 
> configured, 4096B native
>
>
One last suggestion:
dismantle the whole pool (i.e. remove the drives)
and rebuild it fresh using only 512 byte sector drives.
Whole adding the drives back in, one at a time,
recheck the status after each add and see if the
error status appears.






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