ORA-00245: control file backup failed; in Oracle RAC, target might not be on shared storage

Problem:

Netbackup performs rman backup job on RAC and then outputs error message

2023/12/24 上午 11:04:39 - Info bphdb (pid=1857897) INF - RMAN-03009: failure of backup command on ch00 channel at 12/24/2023 11:04:38
2023/12/24 上午 11:04:39 - Info bphdb (pid=1857897) INF - ORA-00245: control file backup failed; in Oracle RAC, target might not be on shared storage
2023/12/24 上午 11:04:39 - Info bphdb (pid=1857897) INF - Recovery Manager complete.
2023/12/24 上午 11:04:39 - Info bphdb (pid=1857897) INF - End of Recovery Manager output.
2023/12/24 上午 11:04:39 - Info bphdb (pid=1857897) INF - End Oracle Recovery Manager.

Solution:

Select a node to configure SNAPSHOT CONTROLFILE to ASM or ShareStorage, and then Oracle will synchronize the settings to each node

RMAN> show all
2> ;

using target database control file instead of recovery catalog
RMAN configuration parameters for database with db_unique_name DBNAME are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP ON; # default
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default
CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT   '/u01/app/oracle/bk/rmanbk_%U.bck';
CONFIGURE MAXSETSIZE TO UNLIMITED; # default
CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default
CONFIGURE RMAN OUTPUT TO KEEP FOR 7 DAYS; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON ALL STANDBY;
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/19.0.0/dbhome_1/dbs/snapcf_DBNAME.f'; # default

RMAN> CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+DATADG/DBNAME/CONTROLFILE/snapcf_DBNAME.f';

new RMAN configuration parameters:
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+DATADG/DBNAME/CONTROLFILE/snapcf_DBNAME.f';
new RMAN configuration parameters are successfully stored

RMAN> show  all;

RMAN configuration parameters for database with db_unique_name DBNAME are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP ON; # default
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default
CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT   '/u01/app/oracle/bk/rmanbk_%U.bck';
CONFIGURE MAXSETSIZE TO UNLIMITED; # default
CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default
CONFIGURE RMAN OUTPUT TO KEEP FOR 7 DAYS; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON ALL STANDBY;
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+DATADG/DBNAME/CONTROLFILE/snapcf_DBNAME.f';

Ref:

ORA-245: In RAC environment from 11.2 onwards Backup Or Snapshot controlfile needs to be in shared location (Doc ID 1472171.1)