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
]:
Before you start
Before you begin with the upgrade you should consider a few things:
- Downgrade is officially not supported!
[ 4
] It might work, or not. - So you should have taken a proper an clean backup before you start with the upgrade and you should be sure the restore …
