Charmed MySQL Upgrade
Please choose the appropriate upgrade/rollback tutorial.
Migration:
-
Major upgrade, e.g. MySQL 8.0 → MySQL 9.0.
-
Major rollback, e.g. MySQL 9.0 → MySQL 8.0.
In-place minor upgrade:
-
Minor upgrade, e.g. MySQL 8.0.33 → MySQL 8.0.34
(including charm revision bump 42 → 43). -
Minor rollback, e.g. MySQL 8.0.34 → MySQL 8.0.33
(including charm revision return 43 → 42).
For the new charm revision depending on the new Juju version (due to Juju Secrets, etc): read the explanation and follow how-to.