Review the contents in this section to validate that your Oracle RAC cluster is ready for upgrades.

• Using the CVU Database Upgrade Validation Command Options
  Use the Cluster Verification Utility (CVU) command cluvfy stage -pre dbinst -upgrade to check the readiness of your Oracle RAC installation for upgrades.
• Example of Verifying System Upgrade Readiness for Oracle RAC
  You can verify that the permissions required for installing Oracle RAC have been configured on the nodes node1 and node2 by running the following command.
• Verifying System Readiness for Oracle Database Upgrades
  Use Cluster Verification Utility (CVU) to assist you with system checks in preparation for starting a database upgrade.