[Linux-cluster] cluster just for GFS

[Steven Whitehouse]

Hi,

On Thu, 2009-10-01 at 09:15 +0200, frank wrote:
> Hi,
> we have a two Red Hat 5.3 cluster node just because we need a GFS 
> filesystem mounted on both nodes.
> We have configured the cluster with the two nodes, of course, and a 
> fence device for each one, which is a ipmilan.
> 
> Does this configuration have sense? I mean, we have configured fence 
> devices but if there is no really any cluster resource do fence devices 
> do something?
> I forgot to mention that we have set GFS filesystem to be mounted on 
> boot ("/etc/init.d/gfs start" and the GFS filesystem is defined in 
> /etc/fstab).
> 
> Is there any better approach?
> 
> Thanks for your help.
> 
> Frank
> 
It sounds like you have done all the right things to me. Fencing is
required to prevent a node which is thought to be failed (and thus whose
journal is being recovered by another node) from coming back to life in
the middle of the recovery process and thus corrupting the filesystem,

Steve.