RAC Instance Startup Fails With ORA-00439: Feature Not Enabled: Real Application Clusters (Doc ID 1964088.1)

Last updated on FEBRUARY 11, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Information in this document applies to any platform.

Symptoms

Instance startup failing, reporting

ORA-01078: failure in processing system parameters
ORA-00439: feature not enabled: Real Application Clusters

The command
  ar -t $ORACLE_HOME/rdbms/lib/libknlopt.a|grep kcsm.o
returns no value, as per note
  Doc ID 284785.1 How to Check Whether Oracle Binary/Instance is RAC Enabled and Relink Oracle Binary in RAC

Changes

 In this case, customer had patched the oracle software and the relink on node was not successful.

Cause

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