[Gluster-users] split brain recovery 3.3.0

[Patric Uebele]

Hi Samuel,

can you try to drop caches on the clients:

“echo 3 > /proc/sys/vm/drop_caches”

/Patric

On Fri, 2013-03-08 at 10:13 +0100, samuel wrote:
> No one around can help with this situation?
> 
> The file finally got "corrupted" and it's impossible to read from any
> of the current mounted native gluster clients.
> 
> Reading the attributes, all flags are set as 0:
> 
> # file: dd29900f215b175939816f94c907a31b
> trusted.afr.storage-client-6=0x000000000000000000000000
> trusted.afr.storage-client-7=0x000000000000000000000000
> trusted.gfid=0x59311906edf04464be5f00f505b3aebb
> trusted.storage-stripe-1.stripe-count=0x3200
> trusted.storage-stripe-1.stripe-index=0x3100
> trusted.storage-stripe-1.stripe-size=0x31333130373200
> 
> so there should not be read as split brain from clients but we got the
> following logs:
> "split brain detected during lookup of"
> 
> thanks in advance,
> Samuel.
> 
> 
> On 4 March 2013 14:37, samuel <samu60 at gmail.com> wrote:
>         Hi folks,
>         
>         We have detected a split-brain on 3.3.0 stripped replicated 8
>         nodes cluster.
>         We've followed the instructions from:
>         http://www.gluster.org/2012/07/fixing-split-brain-with-glusterfs-3-3/
>         and we've manually recovered the information.
>         
>         The problem is that we've got 4 gluster native clients and
>         from 2 of them we got 
>         0-storage-replicate-3: failed to open as split brain seen,
>         returning EIO
>         but from 2 of them we can access the recovered file.
>         
>         We're this information locally storage on clients so we can
>         "update" all of them and recover the information in a
>         "coherent" manner?
>         
>         Thanks a lot in advance,
>         Samuel.
> 
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Patric Uebele 
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