How to Check Clusterware Version and Name

To check the software versions on a single node. Software version is the lastest version installed in on an cluster.

You would use this option,When you do the rolling upgrade.

$ crsctl query crs softwareversion [hostname]

Active version is lowest version anywhere in the cluster. This is the command you would normally need to use

$ crsctl query crs activeversion

The version of oracle Clusterware must be always greater than the oracle products installed in the clusters

Permanently operating oracle Clusterware (software version vs active version) is not supported.

To check the cluster name use,

  $ORA_CRS_HOME/bin/cemutlo -n