Alert rule: MySQLGaleraNotReady
Overview
This alert triggers, if any of the nodes' wsrep_ready is 0.
The global variable wsrep_ready shows whether the server is ready to accept queries.
Steps for Debugging
See How to debug MariaDB Galera on how to determine the cluster status and show the Logs of MariaDB.
If the cluster won’t start up on itself again, a manual reset is necessary.