Crontab RMAN+Delete noprompt

Question

I have a 11g environment.
I store in the catalog the following script:
change archivelog all crosscheck;
crosscheck backup of database;
BACKUP
INCREMENTAL LEVEL 0 cumulative
AS COMPRESSED BACKUPSET
DEVICE TYPE DISK
DATABASE
PLUS ARCHIVELOG;
DELETE NOPROMPT ARCHIVELOG ALL BACKED UP 1 TIMES TO DISK COMPLETED BEFORE ="SYSDATE-1/2";
Every night I launch from the Oracle user's crontab a process which connect to the catalog and executes the script. The backup runs perfectly but
"DELETE NOPROMPT...." sentence doesn't run. At the crontab mail appears a message
"wating response...."¿?

Answer 1

Have you tried other options to delete the archive logs, like DELETE INPUT?
RUN {
  CHANGE ARCHIVELOG ALL CROSSCHECK;
  CROSSCHECK BACKUP OF DATABASE;
  BACKUP
    INCREMENTAL LEVEL 0 CUMULATIVE
    AS COMPRESSED BACKUPSET
    DEVICE TYPE DISK
    DATABASE PLUS ARCHIVELOG DELETE INPUT;
}