Component products and processes of SF Oracle RAC
To understand how SF Oracle RAC manages database instances running in parallel on multiple nodes, review the architecture and communication mechanisms that provide the infrastructure for Oracle RAC. General highlights of the component products include:
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Cluster Volume Manager (CVM) -- Enables simultaneous access to shared volumes based on technology from Veritas Volume Manager (VxVM).
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Cluster File System (CFS) -- Enables simultaneous access to shared file systems based on technology from Veritas File System (VxFS).
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Database Accelerator -- Provides the interface with the Oracle Disk Manager (ODM) API.
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Cluster Server (VCS) -- Uses technology from Veritas Cluster Server to manage Oracle RAC databases and infrastructure components.
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RAC Extensions -- Manages cluster membership and communications between cluster nodes.
