| 摘要 |
PROBLEM TO BE SOLVED: To more appropriately diagnose a fault of a hard disk drive. SOLUTION: In the fault diagnosis which diagnoses a fault of the hard disk drive, an error of response to a write and/or read command of the hard disk drive is determined, and the number of errors in the command error determination is accumulated, When error frequency exceeds a threshold value, the failure of the hard disk drive is determined, while the threshold value is set variably in accordance with the accumulated number of errors. COPYRIGHT: (C)2009,JPO&INPIT
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