Refresh (upgrade)

This charm supports in-place upgrades to higher versions via Juju’s refresh command.

Supported refreshes

From

To

Charm revision

MySQL Version

Charm revision

MySQL Version

254, 255

8.0.41

240, 241

8.0.41

254, 255

8.0.41

210, 211

8.0.39

254, 255

8.0.41

240, 241

8.0.41

180, 181

8.0.37

254, 255

8.0.41

240, 241

8.0.41

210, 211

8.0.39

153

8.0.36

254, 255

8.0.41

240, 241

8.0.41

210, 211

8.0.39

180, 181

8.0.37

127

8.0.35

None

113

8.0.34

127

8.0.35

99

8.0.34

127

8.0.35

113

8.0.35

75

8.0.32

127

8.0.35

113

8.0.35

99

8.0.34

Due to an upstream issue with MySQL Server version 8.0.35, Charmed MySQL versions below Revision 127 cannot be upgraded using Juju’s refresh.

To upgrade from older versions to Revision 153 or higher, the data must be migrated manually. See: Migrate data via backup/restore.

Juju version upgrade

Before refreshing the charm, make sure to check the Releases page to see if there any requirements for the new revision, such as a Juju version upgrade.

Refresh guides

To refresh a single cluster, see:

To refresh a multi-cluster deployment, see