You must start the VAILAgent to access array discovery service for deep mapping.
The storage mapping feature available with SF Oracle RAC provides "deep" mapping information for supported storage arrays. Veritas Array Integration Layer (VAIL) software interfaces third-party hardware storage arrays with Veritas storage software.
See About arrays for Storage Mapping and statistics
After starting the VAILAgent agent, this service for deep mapping becomes accessible across the domain. Refer to the Veritas Volume Manager documentation for more information.
Would you like to start VAILAgent (Array discovery service for Deep mapping) on the target system (once started, this
service will be accessible across the domain)? [y,n,q,?] (y)