DS-Client backup of Oracle server fails with the following RMAN error:
"ORA-19566: Exceeded Limit Of 0 Corrupt Blocks For File ..."


The user specified limit of allowable corrupt blocks was exceeded while reading the specified datafile for a datafile copy or backup.


Action: None. The copy or backup operation fails. The session trace file contains detailed information about which blocks were corrupt.

For more information, refer to the Oracle documentation: Metalink document #457422.1