There are specific requirements for RAID configurations used for a CA Performance Management Data Repository cluster.
CA Performance Management requirements follow the same requirements issued by the Vertica Database software vendor.
What are the RAID requirements for a CA Performance Management Data Repository cluster?
All supported CA Performance Management releases
Vertica recommends the use of a RAID 10 configuration for the /data and /catalog directories.
The rest of the server/OS configuration can be anything the environment dictates should be used.