XtraDB Cluster install on active Mysql host

MySQL & MariaDB Percona XtraDB Cluster 8.x
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You did not need to do steps 2-5. PXC installs as a drop-in-replacement to standard MySQL.

  1. stop mysql
  2. install PXC packages
  3. configure /etc/my.cnf to add minimum wsrep_* parameters
  4. systemctl start mysql@bootstrap

You now have a cluster of 1 node. Add more nodes and they will auto-join and auto-sync the data.

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