MySql

Start a Percona 5.7 cluster after a controlled shutdown

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In each node check the content of /var/lib/mysql/grastate.dat version: 2.1 uuid: 9a50c4ec-4332-11e8-8b88-77564bb9f22a seqno: 45 safe_to_bootstrap: 0 select the node with the highest value in seqno and edit the value of safe_to_bootstrap to 1 should be like these version: 2.1 uuid: 9a50c4ec-4332-11e8-8b88-77564bb9f22a seqno: 45 safe_to_bootstrap: 1 in these node run systemctl start mysql@bootstrap.service in the other […]