Script to backup and delete archivelog in Linux

#!/bin/ksh

#

if [[ $1 = "" ]]; then

    echo "*** "

    echo "*** No SID specified; specify ORACLE_SID as arg 1"

    echo "*** "

    exit

fi

PATH=$PATH:/usr/local/bin

export ORACLE_SID=$1

#export ARCH_DAYS=$2

ORAENV_ASK=NO

. /usr/local/bin/oraenv

export LIBPATH=$ORACLE_HOME/lib

export PATH=$ORACLE_HOME/bin:$PATH

TODAY=`date '+%m%d%y_%H_%M'`

SITE=`uname -n`

LOGDIR=/u99/ORCL/Archive/Logfile

ARCH_LOG=$LOGDIR/arch_$ORACLE_SID.$TODAY.log

DBA='someone@somedomain.com'

touch $ARCH_LOG

export TARGET_CONN='/'

export RMANOUT=/u99/ORCL/Archive/Logfile

$ORACLE_HOME/bin/rman target '/' <<EOF >> $ARCH_LOG

run {

CONFIGURE RETENTION POLICY TO REDUNDANCY 16;

CONFIGURE BACKUP OPTIMIZATION ON;

CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '/u99/ORCL/Archive/%F';

CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u99/ORCL/Archive/snapcf_PROD.f';

CONFIGURE DEVICE TYPE DISK PARALLELISM 2 BACKUP TYPE TO COMPRESSED BACKUPSET;

CONFIGURE MAXSETSIZE TO 6000000000;

allocate channel c1 device type disk format '/u99/ORCL/Archive_%d_%s_%T_%c_%p';

allocate channel c2 device type disk format '/u99/ORCL/Archive_%d_%s_%T_%c_%p';

backup archivelog all delete input;

backup current controlfile format '/u99/ORCL/Archive_%d_%s_%T_CONTROL' tag "CNTRLFL" ;

release channel c1;

release channel c2;

}

EOF

if [ $? -ne 0 ]

then

 echo "FAILURE: Backup of the archivelogs for $ORACLE_SID started on $TODAY failed on `date '+%m/%d/%y %H:%M'`." >> $ARCH_LOG

 echo "Archivelogs will NOT be deleted, since they were never backed up." >> $ARCH_LOG

 /bin/mail -s "FAILURE Backup of the archivelogs to HOTBACK for $ORACLE_SID failed on `date '+%m/%d/%y %H:%M'`." $DBA <$ARCH_LOG

exit

else

 /bin/mail -s "SUCCESS Backup of the archivelogs to HOTBACK for $ORACLE_SID on `date '+%m/%d/%y %H:%M'`." $DBA <$ARCH_LOG

fi

exit