ORA-02793: Close of asynchronous I/O failed.

ORA-02793
ORA-02793: Close of asynchronous I/O failed.
Cause: The client was unable to close a file being used for asynchronous I/O.
Action: Contact ORACLE support - this should not happen.
More details : Viste http://www.high-oracle.com/ora-02793/
More details : Viste http://www.high-oracle.com/ora-02793/
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