consistent-archivelog-backup.rman script (Oracle)

export ORACLE_HOME=$[/oracle/oracle11g]
 $ORACLE_HOME/bin/rman target $[sys]/$[sys]@$[VMFSDB] catalog $[vmfsdb]/$[shankar]@$[CATDB] <<EOF1
 spool log to $[$ORACLE_HOME/DBA_SCRIPTS/archivelog-backup.log]
 run
 {
 allocate channel ch1 type 'sbt_tape'
 PARMS="SBT_LIBRARY=$[/opt/commvault/Base/libobk.so],ENV=(CvOraSID=VMFSDB,CvClientName=VMOracleVMFS,CvInstanceName=$[Instance001]),BLKSIZE=$[262144]";
 sql 'alter system archive log current';
 backup filesperset $[32]
 (archivelog all);
 backup current controlfile ;
 }
 spool off
 EOF1