[Gluster-users] split brain recovery 3.3.0

[samuel]

Dear Patric,

That seemed to make the trick because we can now see the file and access it.

Is there any place where it could be documented?

Thanks a lot,
Samuel

On 8 March 2013 10:40, Patric Uebele <puebele at redhat.com> wrote:

> 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.
> >
> > _______________________________________________
> > Gluster-users mailing list
> > Gluster-users at gluster.org
> > http://supercolony.gluster.org/mailman/listinfo/gluster-users
>
> --
> Patric Uebele
> Solution Architect Storage
>
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