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Diffstat (limited to 'How to show the mysql galera cluster status.md')
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diff --git a/How to show the mysql galera cluster status.md b/How to show the mysql galera cluster status.md new file mode 100644 index 0000000..27bb50f --- /dev/null +++ b/How to show the mysql galera cluster status.md @@ -0,0 +1,14 @@ +--- +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.
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