SQL> ALTER SYSTEM SET log_archive_dest_1='location=+DG1' SCOPE=spfile sid='*';
SQL> ALTER SYSTEM SET log_archive_format='arch_%t_%s_%r.arc' SCOPE=spfile sid='*';

srvctl stop database -d ORCL -o immediate
srvctl start database -d ORCL -o mount

SQL> ALTER DATABASE ARCHIVELOG;

srvctl stop database -d ORCL -o immediate
srvctl start database -d ORCL

emcli get_threshold 
      -target_name="DBNAME.XYZ.COM" 
      -target_type="rac_database" 
      -metric="problemTbsp" 

emcli modify_threshold 
      -target_name='DBNAME.XYZ.COM' 
      -target_type='rac_database' 
      -metric='problemTbsp' 
      -column='bytesFree' 
      -key_columns='USERS;' 
      -warning_threshold='3000' 
      -critical_threshold='1500' 
      -prevent_override='1'

using srvctl command

srvctl add service -db CDB1 -s SALES.XYZ.COM -pdb PDB1 -preferred CDB11,CDB12
srvctl start service -db CDB1 -s SALES.XYZ.COM -instance CDB11
srvctl start service -db CDB1 -s SALES.XYZ.COM -instance CDB12

srvctl config service -db CDB1
srvctl status service -db CDB1

srvctl stop service -db CDB1 -s SALES.XYZ.COM -instance CDB11
srvctl stop service -db CDB1 -s SALES.XYZ.COM -instance CDB12
srvctl remove service -db CDB1 -s SALES.XYZ.COM

using packages

exec DBMS_SERVICE.STOP_SERVICE('SALES.XYZ.COM','CDB11');
exec DBMS_SERVICE.STOP_SERVICE('SALES.XYZ.COM','CDB12');
exec DBMS_SERVICE.DELETE_SERVICE('SALES.XYZ.COM');

exec DBMS_SERVICE.CREATE_SERVICE('SALES.XYZ.COM', 'SALES.XYZ.COM');
exec DBMS_SERVICE.START_SERVICE('SALES.XYZ.COM', 'CDB11');
exec DBMS_SERVICE.START_SERVICE('SALES.XYZ.COM', 'CDB12');

DBMS_SERVICE.STOP_SERVICE(service_name   IN VARCHAR2, instance_name  IN VARCHAR2);
DBMS_SERVICE.DELETE_SERVICE(service_name IN VARCHAR2);
DBMS_SERVICE.CREATE_SERVICE(service_name IN VARCHAR2, network_name IN VARCHAR2);
DBMS_SERVICE.START_SERVICE(service_name  IN VARCHAR2, instance_name IN VARCHAR2);

RMAN configuration

CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 15 DAYS;
CONFIGURE BACKUP OPTIMIZATION ON;
CONFIGURE DEFAULT DEVICE TYPE TO SBT_TAPE;
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE SBT_TAPE TO '%F';
CONFIGURE DEVICE TYPE SBT_TAPE PARALLELISM 4 BACKUP TYPE TO BACKUPSET;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE SBT_TAPE TO 2;
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE SBT_TAPE TO 2;
CONFIGURE CHANNEL DEVICE TYPE SBT_TAPE TRACE 0 PARMS 'BLKSIZE=, SBT_LIBRARY=,ENV=(STORAGE_UNIT=,BACKUP_HOST=)';
CONFIGURE MAXSETSIZE TO UNLIMITED;
CONFIGURE RMAN OUTPUT TO KEEP FOR 7 DAYS;
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+DISKG1/rman/<>';

RMAN script

run {
  set command id to 'COLD_BACKUP';
  backup tag 'cold_backup_yymmdd'
    filesperset 4
    format 'D_%d_%p_%u','tape2.xyz.com/D_%d_%p_%u'
    database;
  backup current controlfile format 'C_%d_%p_%u','tape2.xyz.com/C_%d_%p_%u';
  backup spfile format 'S_%d_%p_%u','tape2.xyz.com/S_%d_%p_%u';
}

-- exp.par
DIRECTORY=
SCHEMAS=SCOTT,\"ABC.XYZ\"
PARALLEL=
EXCLUDE=STATISTICS
dumpfile=name_00_%u.dmp
FLASHBACK_TIME=systimestamp
compression=all

-- imp.par
DIRECTORY=
SCHEMAS=SCOTT,\"ABC.XYZ\"
PARALLEL=
JOB_NAME=
LOGFILE=name_imp.log
dumpfile=name_00_%u.dmp

-- imp_net.par
DIRECTORY=
SCHEMAS=SCOTT,\"ABC.XYZ\"
PARALLEL=
JOB_NAME=
LOGFILE=name_imp.log
NETWORK_LINK=