How to clear the archive log space for ORACLE RAC?

This is an example to show how to clear the archive log space for ORACLE RAC.

The script content below is for your referrence;

#!/bin/sh 

export BACK_DATE=`date +%Y%m%d` 

export BACKUP_PATH=+dg_backup/cad

echo `su - grid -c "mkdir -p ${BACKUP_PATH}/archivelog/${BACK_DATE}"` 

su - oracle -c "rman  msglog=$BACKUP_PATH/archivelog/${BACK_DATE}/arch_25_$BACK_DATE.log" << EOF 

connect target / ; 

delete expired archivelog all; 

delete noprompt archivelog until time 'sysdate - 1' ; 

crosscheck archivelog all;

delete expired archivelog all;

exit 

EOF

You can create a crontab task to excecute this script automatically.