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Finding Out Oracle RAC Cluster Name and Version
There are several ways to find the name of an Oracle RAC cluster. You can use any of the method described below.
Option 1
execute below command from CRS_HOME/bin
$cemutlo -n
rac11
rac11
Option 2
execute below command from CRS_HOME/bin
$olsnodes -c
rac11
Option 3
navigate to the directory $CRS_HOME/cdata. Under this directory you will find a directory with the name of cluster which includes the OCR backup
cd $CRS_HOME/cdata
ls
localhost node1 node1.olr rac11
How to Find the Clusterware (CRS) version in Oracle RAC
follow the steps below to find the clusterware version (Grid infrastructure ) of your RAC cluster
to see on current node
to see on current node
$crsctl query crs softwareversion
Oracle Clusterware version on node [node1] is [12.1.0.2.0]
Oracle Clusterware version on node [node1] is [12.1.0.2.0]
to see on all the nodes
$ crsctl query crs softwareversion -all
Oracle Clusterware version on node [node1] is [12.1.0.2.0]
Oracle Clusterware version on node [node2] is [12.1.0.2.0]
Oracle Clusterware version on node [node1] is [12.1.0.2.0]
Oracle Clusterware version on node [node2] is [12.1.0.2.0]
to see on a particular node
$ crsctl query crs softwareversion node2
Oracle Clusterware version on node [node2] is [12.1.0.2.0]
Oracle Clusterware version on node [node2] is [12.1.0.2.0]
You can check the active version from below command
$ crsctl query crs activeversion
Oracle Clusterware active version on the cluster is [12.1.0.2.0]
Oracle Clusterware active version on the cluster is [12.1.0.2.0]
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