error in the log.

[Bristol]

Hello everyone,
Please provide any info about the error I am recieving in my log?

051020 11:03:30 InnoDB: Operating system error number 1117 in a file operation.
InnoDB: Some operating system error numbers are described at
InnoDB: [dev.mysql.com]
InnoDB: File name .\ibdata1
InnoDB: File operation call: 'Windows aio'.
InnoDB: Cannot continue operation.
051020 11:09:59 InnoDB: Started; log sequence number 18 275288634
051020 11:10:02 [Note] C:\Program Files\MySQL\MySQL Server 5.0\bin\mysqld-nt: ready for connections.
Version: '5.0.13-rc-nt' socket: '' port: 3306 Official MySQL binary
051020 11:12:19 [Note] C:\Program Files\MySQL\MySQL Server 5.0\bin\mysqld-nt: Normal shutdown

Any help would be much appreciated.
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[Beau]

ERROR_IO_DEVICE
1117 The request could not be performed because of an I/O device error.
It might even be a broken disk. -- This message may have been cut off and the rest will only be shown to members. To become a member, click here --