The downgrade procedure
There may be a time when you have upgraded to a newer version but feel you want to remain on the previous version for a while longer and need to downgrade. Rather than reverting to the previous version, which may be an older maintenance release, you can downgrade to the previous major release, but to the latest maintenance release in that build, following these steps:
- Verify that both the base image and preferred maintenance release versions have been downloaded on both members when downgrading a cluster. If the images were removed, download the base image first, then download the maintenance version.
- If you are downgrading a cluster, suspend and upgrade the primary device first.
When you initiate the downgrade to a lower major version, the system will ask whether you want to load a configuration file that was saved just before the previous upgrade. This will ensure you revert to a configuration file that was used in the version you are...