Downgrade 19c Grid to 12.2 in an Oracle RAC environment.
I have upgraded my 2 node RAC to 19.8 from 12.2 using GUI Method. But I want to create a blog post of upgrade using silent method. So, I am downgrading my RAC Grid Home from 19.8 to previous 12.2 version. My environment [oracle@OEL7N1 ~]$ crsctl query crs softwareversion
Oracle Clusterware version on node [oel7n1] is [19.0.0.0.0]
[oracle@OEL7N1 ~]$ crsctl query crs activeversion
Oracle Clusterware active version on the cluster is [19.0.0.0.0]
[oracle@OEL7N1 ~]$ crsctl query c