Oracle Clusterware disks such as Oracle cluster registry (OCR) and voting disks are supported on the following storage management schemes:
Solaris Volume Manager for Sun Cluster
Veritas Volume Manager (VxVM)
VxVM is supported only on the SPARC platform.
Hardware redundant array of independent disks (RAID) support
Sun StorageTekTM QFS shared file system with hardware RAID support or with Solaris Volume Manager for Sun Cluster
Qualified network-attached storage (NAS)