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RE: [Linux-cluster] Add extra node to a 2-node cluster

> No, you can't do any sort of a "rolling upgrade". Once you 
> change the config file on one node, the node that's left in 
> the cluster will refuse to let it join because the config 
> file versions differ.
> It's an unfortunate consequence of the fact the two-node 
> clusters are a special case. Normally a cman cluster requires 
> (n/2)+1 nodes to keep quorum.

Ah well. Thanks for clearing that up for me Patrick.

At least I know, before attempting something stupid :)


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