1. Installation and Upgrade Guide
  2. Upgrading Oracle Grid Infrastructure
  3. Downgrading Oracle Clusterware to an Earlier Release
  4. Options for Oracle Grid Infrastructure Downgrades

11.13.2 Options for Oracle Grid Infrastructure Downgrades

You can downgrade Oracle Grid Infrastructure to earlier releases after a successful or a failed upgrade.

Downgrade options include the following earlier releases:

  • Oracle Grid Infrastructure downgrade to Oracle Grid Infrastructure 19c.

  • Oracle Grid Infrastructure downgrade to Oracle Grid Infrastructure 18c.

  • Oracle Grid Infrastructure downgrade to Oracle Grid Infrastructure 12c Release 2 (12.2).

Note:

When you downgrade Oracle Grid Infrastructure to an earlier release, for example from Oracle Grid Infrastructure 21c to Oracle Grid Infrastructure 19c, the later release RAC databases already registered with Oracle Grid Infrastructure will not start after the downgrade.

Parent topic: Downgrading Oracle Clusterware to an Earlier Release