[Linux-cluster] Can same cluster name in same subnet?

[Chrissie Caulfield]

Gianluca Cecchi wrote:
> Conversely, how is it dangerous to have two two-node-clusters with
> different names sharing the intra-cluster network?
> In particular if one is in production and the other is for testing?
> And what about relative multicast-adresses for these two clusters? Can
> I safely use same multicast if the names are different or do I have to
> change? Ant rule in this case?
>

I would strongly advise against using the same multicast address for two
different cluster in the same subnet. Ideally all clusters should use
different multicast addresses.
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Chrissie