Cluster Volume Manager (CVM)

Enables simultaneous access to shared volumes based on technology from Veritas Volume Manager (VxVM).

Cluster File System (CFS)

Enables simultaneous access to shared file systems based on technology from Veritas File System (VxFS).

Symantec Cluster Server (VCS)

Manages Oracle RAC databases and infrastructure components.

Veritas I/O fencing

Protects the data on shared disks when nodes in a cluster detect a change in the cluster membership that indicates a split-brain condition.

Oracle RAC

Component of the Oracle database product that allows a database to be installed on multiple servers.

Oracle Disk Manager (Database Accelerator)

Provides the interface with the Oracle Disk Manager (ODM) API.

RAC Extensions

Manages cluster membership between cluster nodes.