[Pacemaker] [pacemaker] Quorum in even numbered Cluster
Michael Schwartzkopff
misch at clusterbau.com
Thu May 26 20:10:27 CEST 2011
> Hi,
>
> please explain me, how a pacemaker cluster, with an even number of nodes,
> selects quorum when the cluster splits into two evenly parts. For example
> a four-node-cluster breaks into two partitions each with two nodes.
>
> Best regards,
> Roman
Quorum says that the should be *more* than half of the original nodes. If a
even numbered cluster splits into two halfs none of the nodes has quorum.
Quorum will never work in a two-node cluster.
Same applies to even-numbered clusters distributed even over two computer
centers.
Greetings,
--
Dr. Michael Schwartzkopff
Guardinistr. 63
81375 München
Tel: (0163) 172 50 98
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