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You can hit this error on your alert.log. Error could be similar as:
ORA-01578: ORACLE data block corrupted (file # 12, block # 4207)
ORA-01110: data file 11: ‘/xx/sytem.dbf’

There are many possible causes of a block corruption including:

– Bad IO hardware / firmware
– OS problems
– Oracle problems
– Recovering through “UNRECOVERABLE” or “NOLOGGING” database actions (in which case ORA-1578 is expected behavior)

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