# Full System Recovery: Oracle RAC

A full system recovery of individual Oracle physical nodes in an RAC setup involves the following phases:

## Preparing for a Full System Recovery

Before you begin a disaster recovery, make sure to perform the following:

- Perform frequent Oracle RAC backups that include the control file and the latest file system.

- Make sure that the recovery catalog is available on a separate computer.

- Make sure to select Resync Catalog in Subclient Properties (Backup Arguments) tab of the default subclient. This is required for successfully performing a full system restore in the event of a destroyed or damaged client.

  Note: The software automatically selects this if you run Oracle 10G or later.

- Use the file system agent to back up the following Oracle information

  - The ORACLE HOME directory

  - The cluster configuration

  - The voting disk (OCR)

## Recovering the Oracle RAC Databases

To recover the Oracle RAC database in the event of a disaster, perform the following tasks:

1. Rebuild the Operating System.

2. Restore the Oracle RAC Database to the same or different client computer.

## Related Topics

Disaster Recovery

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