RMAN> run {
allocate channel ch1 device type disk format '/d05/proddbfbkp/%U';
allocate channel ch2 device type disk format '/d05/proddbfbkp/%U';
backup (
datafile 1,4,5,6
filesperset 2)
datafilecopy '/d04/oradata/prod/system01.dbf','/d04/oradata/prod/users01.dbf','/d04/oradata/prod/users02.dbf','/d04/oradata/prod/system02.dbf'
}

when i ran this script i am getting following errors.



RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00558: error encountered while parsing input commands
RMAN-01005: syntax error: found "}": expecting one of: "archivelog, backup, backupset, channel, comma, copy, controlfilecopy, current, database, datafile, datafilecopy, delete, diskratio, db_recovery_file_dest, filesperset, format, from, force, include, keep, (, maxsetsize, noexclude, nokeep, not, pool, plus, reuse, recovery, ;, skip, spfile, setsize, tablespace, tag"
RMAN-01007: at line 9 column 1 file: standard input

allocated channel: ch1
channel ch1: sid=158 devtype=DISK

allocated channel: ch2
channel ch2: sid=161 devtype=DISK

Starting backup at 23-JAN-08
released channel: ch1
released channel: ch2
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of backup command at 01/23/2008 14:33:27
RMAN-06004: ORACLE error from recovery catalog database: RMAN-20230: datafile copy not found in the recovery catalog
RMAN-06015: error while looking up datafilecopy name: /d04/oradata/prod/system01.dbf