[Pacemaker] Cluster with DRBD : split brain

[Andrew Beekhof]

On Fri, Jul 15, 2011 at 7:58 PM, Hugo Deprez <hugo.deprez at gmail.com> wrote:
> Dear community,
>
> I am running on Debian Lenny, a cluster with corosync. I have :
>
> One DRBD partition and 4 resources :
>
> fs-data    (ocf::heartbeat:Filesystem):
> mda-ip     (ocf::heartbeat:IPaddr2):
> postfix    (ocf::heartbeat:postfix):
> apache     (ocf::heartbeat:apache):
>
> Last night something happens and DRBD had a 'split brain'. I think the split
> brain come from
>
> The resources was still running on the node 1.
>
> I checked the corosync logs and seems that something went wrong, I would
> like to understand what happen, in order to improve my cluster
> configuration.
>
> Please find attach  the log file.

I see no evidence of a split-brain. Both nodes appear to be able to
talk to each other.
What exactly is the problem you encountered?

>
> It seems that the cluster tried to migrate the resources to the other node
> but didn't succeed ?
>
> Any help appreciated.
>
> Regards,
>
> Hugo
>
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