There are two ways of storing Oracle Clusterware files:

• Oracle Automatic Storage Management (Oracle ASM): You can install Oracle Clusterware files (Oracle Cluster Registry and voting disk files) in Oracle ASM disk groups.
• A supported shared file system: Supported file systems include the NFS & OCFS.

The following table describes the various storage options for Oracle Clusterware and Oracle RAC:

The following table displays the File System Volume Size requirements: