ora_rman_有失误，仔细看

export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/10.2.0/dbhome_1
export ORACLE_SID=IPCC1
export PATH=$ORACLE_HOME/bin:$PATH:$HOME/bin
DATE=`date +%Y%m%d-%H:%M:%S`
rman target / <<EOF  log /home/oracle/ora_rman.log 
run {
allocate  channel c0 type disk;
allocate  channel c1 type disk;
allocate  channel c2 type disk;
delete noprompt obsolete;
crosscheck backupset of database;
delete noprompt expired backupset;
backup full database format '/backup_archive_log/backupdata/full_db_$DATE.bak';
sql 'alter system archive log current';
backup archivelog all format '/u01/backup/arch_$DATE.bak';
release channel c0;
release channel c1;
release channel c2;
}
exit
DATE
EOF