You can configure the following SF Oracle RAC optional features to back up and recover data at the volume and file system levels:
Allows efficient backup and recovery of Oracle RAC databases. This feature is available with SF Oracle RAC as part of the Veritas File System.
Allows you to create a point-in-time copy of an Oracle RAC database for backup and off-host processing.
Allows you to evaluate or troubleshoot I/O performance. You can access mapping information that allows for a detailed understanding of the storage hierarchy in which files reside.
See Investigating I/O performance for SF Oracle RAC: Storage Mapping