> <mailto:ccaulfie redhat com
> Chaitanya Kulkarni wrote:
> > Hi All,
> > What happens if in the same network, we try to create two clusters
> > the same name?
> > Does it cause any problem?
> YES LOTS!
> At best the two clusters will merge into one, at worst you will get node
> evictions because of clashes between node IDs
> Actually you *can* do this if you change the cluster_id/multicast
> address or port number in cluster.conf. But need to be careful and it is
> not recommended.
> The main reason I say not to do this is that GFS volumes have the
> cluster name embedded in the super block. If you have two clusters with
> the same cluster name on the same SAN then it's going to be very easy to
> totally corrupt the GFS filesystem by mounting it on two different
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