gel instance revert​
Revert a major instance upgrade.
gel instance revert [options] nameDescription​
When gel instance upgrade performs a major version
upgrade on an instance the old instance data is kept around. The
gel instance revert command removes the new instance version and
replaces it with the old copy. It also ensures that the previous
version of Gel server is used to run it.
The gel instance revert command is not intended for use with
self-hosted instances.