rman control file and spfile backup to oracle home

correctly we have oracle  12.2 enterprise and rman backup as follows

using target database control file instead of recovery catalog

RMAN configuration parameters for database with db_unique_name CRSPRDare:

CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 15 DAYS;

CONFIGURE BACKUP OPTIMIZATION OFF;

CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default

CONFIGURE CONTROLFILE AUTOBACKUP ON;

CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F';

CONFIGURE DEVICE TYPE DISK PARALLELISM 4 BACKUP TYPE TO COMPRESSED BACKUPSET;

CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1;

CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1;

CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT   '/bkp/oradata/crsprd/rman/bkp_sets/%d_db_%s_%T';