upgrade.md

Galera Upgrade

Minor z.B. 10.3.1 -> 10.3.2

• Always do a deinstallation of old version first, before installing new version
• https://mariadb.com/kb/en/upgrading-between-minor-versions-with-galera-cluster/

Major 10.3 -> 10.4

• https://mariadb.com/kb/en/upgrading-from-mariadb-103-to-mariadb-104-with-galera-cluster/