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##    How to display Oracle Cluster name       ##
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Oracle Clusterware includes the utility cemutlo which provides 
cluster name and version.

[grid@lnxcld01 ~]$ cemutlo -h
Usage: /GRID_INFRA/product/11.2.0.3/bin/cemutlo.bin [-n] [-w]
        where:
        -n prints the cluster name
        -w prints the clusterware version in the following format:
                 <major_version>:<minor_version>:<vendor_info>


--Cluster Name
[grid@lnxcld01 ~]$ cemutlo -n
cloud01

--Cluster Version
[grid@lnxcld01 ~]$ cemutlo -w
2:1: