rman script

connect target 'system/oracle'
run {
crosscheck archivelog all;
delete noprompt expired archivelog all;
crosscheck backup;
delete noprompt expired backup;
BACKUP database format '/backup/datafile/db_%t_%s_%p.dbf';
sql 'alter system archive log current';
sql 'alter system archive log current';
backup archivelog all format '/backup/archivelog/al_%t_%s_p%p.dbf' delete all input;
backup current controlfile tag =cf1 format '/backup/controlfile/cf_%t_%s_%p.dbf';
delete noprompt obsolete redundancy = 1;
crosscheck archivelog all;
crosscheck backup;
Crosscheck Copy;
Crosscheck Backup;
delete noprompt expired archivelog all;
delete noprompt expired copy;
delete noprompt expired backup;
delete NOPROMPT BACKUP OF SPFILE COMPLETED BEFORE 'SYSDATE-3';
delete NOPROMPT BACKUP OF CONTROLFILE COMPLETED BEFORE 'SYSDATE-3';
}