depends on the quorum plugin used. The Quorum Plugin can be set with the
export of the "HA_quorum" env var.
Available are for example:
twonodes - every node has quorum, this is the heartbeat v1 style of quorum
majority - the subcluster with at least N/2 +1 nodes has quorum
quorumd - NOT SUPPORTED :)
so if HA_quorum is set to "majority" the cluster does no automatic
failovers anymore. Every failover needs to be confirmed then - this is
what this is all about.
And from I know - may be wrong (contimation please ?) In 2 node clusters
the default plugin is "twonodes" in more than 2 node clusters its
"majority".
So NO the behaviour has not changed for two nodes clusters.
Robert
But so would already simple MAJORITY quorum; set ignore_quorum="freeze"
by default, and when you want one site/node to continue, force it to
"ignore".
Hmm ... but 2 node cluster always have quorum or has this behaviour changed?
Regards,
Andreas
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