[ClusterLabs] 3 node cluster to 2 with quorum device
colgrave at uk.ibm.com
Sun Jan 6 14:47:28 UTC 2019
> I am new to corosync and pacemaker, having only used heartbeat in
> the past (which is barely even comparable, now that I’m in the
> middle of this). I’m working on a system for RDQM (IBM’s MQ
> software, clustering solution) and it uses corosync with pacemaker.
> I set it up and had a 3 node cluster with resources available
> everywhere (any node could be made active). However, we need to set
> this up as 2 nodes as being available for the resources and 1 node
> to only function as a quorum device.
Why do you want to limit the queue managers to two nodes only?
I expect that to get support for a problem you would have to recreate it
in an environment that was configured by MQ, without any changes.
RDQM was designed for a three-node symmetric cluster.
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