You can use the following storage management schemes for running Oracle RAC in a zone cluster, depending on the version of Oracle RAC you are running.
If you are using Oracle RAC 10g or Oracle RAC 11g, the following storage management schemes are supported:
Sun StorageTek QFS shared file system with Solaris Volume Manager
Sun StorageTek QFS shared file system with hardware RAID support
Solaris Volume Manager for Sun Cluster
If you are using Oracle RAC 9i, the following storage management schemes are supported:
Sun StorageTek QFS shared file system with Solaris Volume Manager
Sun StorageTek QFS shared file system with hardware RAID support
Solaris Volume Manager for Sun Cluster