Veritas Storage Foundation 5.1 SP1 for Oracle RAC Release Notes (5900-1513, April 2011)

■ Enhanced scalability and availability with access to multiple Oracle RAC

instances per database in a cluster.

■ Support for backup and recovery solutions using volume-level and file

system-level snapshot technologies. SF Oracle RAC enables full volume-level

snapshots for off-host processing and file system-level snapshots for efficient

backup and rollback.

■ Ability to failover applications without downtime using clustered file system

technology.

■ Prevention of data corruption in split-brain scenarios with robust SCSI-3

Persistent Group Reservation (PGR) based I/O fencing or Coordination Point

Server-based I/O fencing. The preferred fencing feature also enables you to

specify how the fencing driver determines the surviving subcluster.

■ Support for sharing all types of files, in addition to Oracle database files, across

nodes.

■ Fast disaster recovery with minimal downtime and interruption to users. Users

can transition from a local high availability site to a wide-area disaster recovery

environment with primary and secondary sites. If a node fails, clients that are

attached to the failed node can reconnect to a surviving node and resume

access to the shared database. Recovery after failure in the SF Oracle RAC

environment is far quicker than recovery for a failover database.

■ Verification of disaster recovery configuration using fire drill technology

without affecting production systems.

■ Support for a wide range of hardware replication technologies as well as

block-level replication using VVR.

■ Support for campus clusters with the following capabilities:

■ Consistent reattach with Site Awareness

■ Site aware reads with VxVM mirroring

■ Monitoring of Oracle resources

■ Protection against split-brain scenarios

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Storage Foundation for Oracle RAC Release Notes

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