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At the moment we are running MQ RDQM HA on 3 nodes.
The documented process for an outageless upgrade or a rebuild is to suspend a node at which point the RDQM cluster is running on just 2 nodes which is quorum. If during the rebuild of the 3rd node, one of the other nodes encounters an error, then quorum could be lost and MQ will stop.
Is it possible to add the option for more than 3 nodes in a HA cluster?
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