Rolling Upgrade on FromDual GmbH

Upgrading from MariaDB 10.4 to MariaDB 10.5 Galera Cluster

oli.sennhauser@fromdual.com (Oli Sennhauser) — Sat, 21 Nov 2020 20:58:09 +0000

Because upgrading from MariaDB 10.4 to MariaDB 10.5 (non-clustered) seems not to be a problem
[ 1
] we take the challenge and try to create a receipt based on the MariaDB 10.3 to MariaDB 10.4 Galera Cluster upgrade documentation
[ 3
]:

Rolling upgrade of Galera 1.0 to 1.1

oli.sennhauser@fromdual.com (Oli Sennhauser) — Wed, 14 Dec 2011 15:38:27 +0000

A few days ago Codership announced their new version Galera v1.1 - synchronous Replication Cluster for MySQL. Before we look at the new feature of Rolling Online Schema Upgrade (OSU) we have a look at how to upgrade to the new Galera release.