Hi all,


our production oracle 9i database is on windows 2000 server.since 3 days daily morning its is automaically being shutdown, when i check the alert log file it show the following below errors, when i execute startup command at sql prompt as sysdbs its up without any error.can anyone has idea about that.quick response will be higly appreciated.thanks a lot in advance.


.Mon Aug 31 17:11:30 2009
Errors in file c:\oracle\admin\bmms\bdump\bmms_smon_2416.trc:
ORA-00604: error occurred at recursive SQL level 1
ORA-01578: ORACLE data block corrupted (file # 1, block # 3726)
ORA-01110: data file 1: 'C:\ORACLE\ORADATA\BMMS\SYSTEM01.DBF'

Mon Aug 31 17:16:38 2009
Errors in file c:\oracle\admin\bmms\bdump\bmms_smon_2416.trc:
ORA-00604: error occurred at recursive SQL level 1
ORA-01578: ORACLE data block corrupted (file # 1, block # 3726)
ORA-01110: data file 1: 'C:\ORACLE\ORADATA\BMMS\SYSTEM01.DBF'

Mon Aug 31 17:21:46 2009
Errors in file c:\oracle\admin\bmms\bdump\bmms_smon_2416.trc:
ORA-00604: error occurred at recursive SQL level 1
ORA-01578: ORACLE data block corrupted (file # 1, block # 3726)
ORA-01110: data file 1: 'C:\ORACLE\ORADATA\BMMS\SYSTEM01.DBF'