Galera boot process for HA deployments and manual override

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Galera cluster overview

A Galera cluster is identified by a cluster address, stored in the configuration variable wsrep_cluster_address. The value of this variable is a URI identifying all the nodes that can potentially be member of the cluster. For example:

wsrep_cluster_address=gcomm://node1,node2,node3

It is used by MariaDB at bo...

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