rman的shell调试成功

[oracle@test exp_bak]$ more /home/backup/rman_incremental_backup.sh
#!/bin/ksh 
export LANG=en_US 
BACKUP_DATE=`date +%d` 
#RMAN_LOG_FILE=${0}.out 
TODAY=`date` 
USER=`id|cut -d "(" -f2|cut -d ")" -f1` 
rq=`date +%Y%m%d`
RMAN_LOG_FILE=`pwd`'/'rman_${rq}.log
#MAN_LOG_FILE=/home/backup/rman_${rq}.log
echo "-----------------$TODAY-------------------">$RMAN_LOG_FILE 
ORACLE_HOME=/home/app/oracle/product/10.2.0/db_1 
export ORACLE_HOME 
RMAN=$ORACLE_HOME/bin/rman 
export RMAN 
ORACLE_SID=orcl
export ORACLE_SID 
ORACLE_USER=oracle 
export ORACLE_USER 
echo "ORACLE_SID: $ORACLE_SID">>$RMAN_LOG_FILE 
echo "ORACLE_HOME:$ORACLE_HOME">>$RMAN_LOG_FILE 
echo "ORACLE_USER:$ORACLE_USER">>$RMAN_LOG_FILE 
echo "==========================================">>$RMAN_LOG_FILE 
echo "BACKUP DATABASE BEGIN......">>$RMAN_LOG_FILE 
echo "                   ">>$RMAN_LOG_FILE 
chmod 666 $RMAN_LOG_FILE 


WEEK_DAILY=`date +%a` 
case  "$WEEK_DAILY" in 
       "Mon") 
            BAK_LEVEL=2 
            ;; 
       "Tue") 
            BAK_LEVEL=2 
            ;; 
       "Wed") 
            BAK_LEVEL=2 
            ;; 
       "Thu") 
            BAK_LEVEL=1 
            ;; 
       "Fri") 
            BAK_LEVEL=2 
            ;; 
       "Sat") 
            BAK_LEVEL=2 
            ;; 
       "Sun") 
            BAK_LEVEL=0 
            ;; 
       "*") 
            BAK_LEVEL=error 
esac 


export BAK_LEVEL=$BAK_LEVEL 
echo "Today is : $WEEK_DAILY  incremental level= $BAK_LEVEL">>$RMAN_LOG_FILE 
RUN_STR=" 
BAK_LEVEL=$BAK_LEVEL 
export BAK_LEVEL 
ORACLE_HOME=$ORACLE_HOME 
export ORACLE_HOME 
ORACLE_SID=$ORACLE_SID 
export ORACLE_SID 
#$RMAN nocatalog TARGET sys/oracle msglog $RMAN_LOG_FILE < $RMAN nocatalog TARGET sys/oracle msglog $RMAN_LOG_FILE < run 
{ 
allocate channel c1 type disk; 
allocate channel c2 type disk; 
backup  incremental level= $BAK_LEVEL database  format='/home/backup/orcl_lev"$BAK_LEVEL"%d_%s_%T.bak'  tag='orcl_lev"$BAK_LEVEL"' ; 
sql 'alter system archive log current'; 
backup archivelog all tag='arc_bak' format='/home/backup/arch_%d_%s_%T.bak'  delete input; 
backup current controlfile tag='bak_ctlfile' format='/home/backup/ctl_file_%d_%s_%T.bak'; 
backup spfile tag='bak_spfile' format='/home/backup/ORCL_spfile_%d_%s_%T.bak'; 
release channel c2; 
release channel c1;
} 
report obsolete; 
delete noprompt obsolete; 
crosscheck backup; 
delete noprompt expired backup; 
list backup summary;
EOF
" 
 # Initiate the command string 
if [ "$CUSER" = "root" ] 
then 
    echo "Root Command String: $RUN_STR" >> $RMAN_LOG_FILE     
    su - $ORACLE_USER -c "$RUN_STR" >> $RMAN_LOG_FILE 
    RSTAT=$? 
else 
    echo "User Command String: $RUN_STR" >> $RMAN_LOG_FILE     
    /bin/sh -c "$RUN_STR" >> $RMAN_LOG_FILE 
    RSTAT=$? 
fi 
# --------------------------------------------------------------------------- 


# Log the completion of this script. 


# ---------------------------------------------------------------------------   
if [ "$RSTAT" = "0" ] 
then 
    LOGMSG="ended successfully" 
else 
    LOGMSG="ended in error" 
fi 
echo >> $RMAN_LOG_FILE 
echo Script $0 >> $RMAN_LOG_FILE 
echo ==== $LOGMSG on `date` ==== >> $RMAN_LOG_FILE 
echo >> $RMAN_LOG_FILE 
/bin/mailx -s "RMAN Backup SID " [e-mail] < $RMAN_LOG_FILE 
exit $RSTAT