RMAN-04014: startup failed: ORA-00439: feature not enabled: Real Application Clusters

Problem description:

Use Rman duplicate to create standby database, if failed with following error message:


RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 05/24/2013 11:50:18
RMAN-05501: aborting duplication of target database
RMAN-03015: error occurred in stored script Memory Script
RMAN-04014: startup failed: ORA-00439: feature not enabled: Real Application Clusters

Cause:

This error happens when the primary database is in RAC and the standby database running on single instance. During the duplicate the RMAN will read the source control file, its RAC parameters and try to duplicate RAC as well which is not possible as the standby is running on single instance.

Solution:

Add SET CLUSTER_DATABASE=’FALSE’ in RMAN duplicate command.