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Oracle RAC infrastructure requirements

Oracle RAC requires a cluster infrastructure that deals with these aspects:

• Shared concurrent access to storage
  • ODM support
  • ODM-compliant cluster file system
  • Cluster-volume management
• Cluster membership management
  • Tracking current members
  • Joining systems
  • Leaving systems
• Communications channels between systems
  • Inter-instance messaging
  • Cluster state
  • Cache fusion