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After the installation of SF Oracle RAC, a basic CVM service group is created automatically. The CVM service group consists of resources for the CVM and CFS daemons (CVMVxconfigd and CFSfsckd) and the CVMCluster resource. If for any reason this group has not been created, you may create it at any time by running the command:
/opt/VRTSvxfs/cfs/bin/cfscluster config
The CVM service group must exist in the /etc/VRTSvcs/conf/config/main.cf file to enable CVM administrative commands (such as vxclustadm) to function. Do not delete or rename this service group.
See Sample main.cf file after SF Oracle RAC installation
Click the thumbnail above to view full-sized image.
When you have installed Oracle RAC and created a database, you may modify the CVM service group to implement control of other core cluster infrastructure components, such as the Oracle listener.
You can modify the CVM service group to include the Oracle listener process, the IP and NIC resources used by the listener process. The NIC and IP resources are used by the listener process to communicate with clients through the public network.
You can add the Oracle database service group using the Storage Foundation for Oracle RAC wizard. This service group typically consists of an Oracle database created on shared storage, and the CFSMount and CVMVolDg resources used by the database. There may be multiple Oracle database service groups, one for each database.