Disk drive reliability determination system and method

Details Disk drive reliability determination system and method Disk drive reliability determination system and method

1995-04-18

2000-02-29

Le, Dieu-Minh T.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

360 39, G06F 1100

Patent

active

060322624

ABSTRACT:
A system and method are provided for generating a reliability assessment of a disk drive. The disk drive includes at least one rotatable disk having a surface, and a slider positioned proximate said surface, the slider having a contour that cooperates with air entrained with the disk surface while the disk is rotating when the disk drive is in an operational condition to provide a lift force to enable the slider to fly over the disk surface, the slider parking on the disk surface while the disk is not rotating when the disk drive is in a shut-down condition, the slider sliding over the disk surface while the disk is in a transitional condition sequencing between the shut-down condition and the operational condition. A predetermined bit pattern is written in the parking region of the disk surface, and a reliability assessment is generated based on the amplitude of a signal generated during reading of the predetermined bit pattern in the parking region while the disk drive is in the transitional condition.

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