ORA-00245: control file backup failed; target is likely on a local file system

Error : ORA-00245: control file backup failed; target is likely on a local file system

Cause : the control file is saved on local file system., in case of RAC databases the control file snapshot should be saved on the shared location.

Solution : Make change in RMAN to point the control file snapshot to be saved under shared location

RMAN> CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+DB4_ORADATA/snapcf_db4.f';