While starting RAC database using srvctl .. Error ( CRS-5017 , ORA-00439 )

When:-

While starting database using srvctl

What:-

I got below error:
PRCR-1079 : Failed to start resource ora.ttrn.db
CRS-5017: The resource action "ora.ttrn.db start" encountered the following error:
ORA-00439: feature not enabled: Real Application Clusters

Why:-

RAC was not enabled in binary.

Solution:-

[oracle@del1os1  lib]$ srvctl start database -d ttrn
PRCR-1079 : Failed to start resource ora.ttrn.db
CRS-5017: The resource action "ora.ttrn.db start" encountered the following error:
ORA-00439: feature not enabled: Real Application Clusters
. For details refer to "(:CLSN00107:)" in "/u01/app/grid/diag/crs/del1os2/crs/trace/crsd_oraagent_oracle.trc".

[oracle@del1os1 ~]$ cd $ORACLE_HOME/rdbms/lib
[oracle@del1os1 ~]$ make -f ins_rdbms.mk rac_on
[oracle@del1os1 ~]$ make -f ins_rdbms.mk ioracle


[oracle@del1os1  lib]$ srvctl start database -d ttrn
[oracle@del1os1  lib]$