--- tags: - mysql - galera - howto --- Can be queried using `SHOW STATUS`. `sudo mysql --exec "SHOW STATUS LIKE 'wsrep%'"` **wsrep_cluster_status:** - Primary; desired state. Primary component (so the cluster is one big component). Quorum of nodes is present. - Non-Primary; Part of a partition (the non primary one) of nodes, so the cluster is partitioned. Cluster lost quorum. - Disconnected: The node is not connected to the cluster at all.