11.5.5.2 Example of Verifying System Upgrade Readiness for Grid Infrastructure
You can use the runcluvfy.bat command to check your system before upgrading.
Verify that the permissions required for installing Oracle Clusterware have been configured by running the following command:
C:\> runcluvfy.bat stage -pre crsinst -upgrade -rolling
-src_crshome C:\app\11.2.0.3\grid -dest_crshome C:\app\12.2.0\grid
-dest_version 12.2.0.1.0 -verbose