[oracle@rac01]$ rman   target /   

RMAN> BACKUP DEVICE TYPE DISK FORMAT '/u01/backup/%U' DATABASE PLUS ARCHIVELOG;  

Starting backup at 05-JAN-10
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=143 instance=orcl1 devtype=DISK
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00001 name=/ocfs_data/orcl/system01.dbf
input datafile fno=00003 name=/ocfs_data/orcl/sysaux01.dbf
input datafile fno=00002 name=/ocfs_data/orcl/undotbs01.dbf
input datafile fno=00006 name=/ocfs_data/orcl/undotbs03.dbf
input datafile fno=00004 name=/ocfs_data/orcl/users01.dbf
channel ORA_DISK_1: starting piece 1 at 05-JAN-10
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 01/05/2010 08:40:03
ORA-19566: exceeded limit of 10 corrupt blocks for file /ocfs_data/orcl/sysaux01.dbf
continuing other job steps, job failed will not be re-run
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
including current control file in backupset
including current SPFILE in backupset
channel ORA_DISK_1: starting piece 1 at 05-JAN-10
channel ORA_DISK_1: finished piece 1 at 05-JAN-10
piece handle=/u01/backup/0al2mcv3_1_1 tag=TAG20100105T083937 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:03
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================

RMAN-03009: failure of backup command on ORA_DISK_1 channel at 01/05/2010 08:40:03
ORA-19566: exceeded limit of  0 corrupt blocks for file /ocfs_data/orcl/sysaux01.dbf

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RMAN> run {               
2> set maxcorrupt for datafile 3 to 1000 ;
3> backup device type disk format '/u01/backup/%U' database ; }