KEWFADS: Error=13515 encountered by Auto DBFUS slave.
once per hour in my alertorcl.log is written this :
Mon Aug 09 06:31:35 2010
Errors in file /home/geograt/app/geograt/diag/rdbms/orcl/orcl/trace/orcl_m002_4234.trc (incident=61715):
ORA-01578: ORACLE data block corrupted (file # 2, block # 3379)
ORA-01110: data file 2: '/DATA/orcl/sysaux01.dbf'
ORA-26040: Data block was loaded using the NOLOGGING option
Incident details in: /home/geograt/app/geograt/diag/rdbms/orcl/orcl/incident/incdir_61715/orcl_m002_4234_i61715.trc
Mon Aug 09 06:31:38 2010
Sweep [inc][61715]: completed
Sweep [inc2][61715]: completed
Mon Aug 09 07:31:36 2010
Errors in file /home/geograt/app/geograt/diag/rdbms/orcl/orcl/trace/orcl_m002_5034.trc (incident=61717):
ORA-01578: ORACLE data block corrupted (file # 2, block # 3379)