RAC Instance Startup Fails With ORA-00439: Feature Not Enabled: Real Application Clusters
(Doc ID 1964088.1)
Last updated on DECEMBER 20, 2019
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
Instance startup failing, reporting
ORA-01078: failure in processing system parameters
ORA-00439: feature not enabled: Real Application Clusters
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
In this case, customer had patched the oracle software and the relink on node was not successful.
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