[Linux-cluster] Min Quorum

Christine Caulfield ccaulfie at redhat.com
Thu Aug 13 15:37:06 UTC 2009

On 13/08/09 16:30, Paras pradhan wrote:
> I have a three nodes cluster with Total Cluster Votes: 3 and Minimum
> Required Quorum: 2
> Can I change Minimum Required Quorum  to 1?

You can change it what whatever you like, but if you change it to 
something too low (ie anything less that cman decides for you) you run 
the risk of split brain and potential data corruption.

If you want the cluster to keep running with two nodes missing then you 
ought to look into qdiskd. The man page is very detailed :-)


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