HDD defect list searching method

Details HDD defect list searching method HDD defect list searching method

2006-12-26

2006-12-26

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S005110, C369S053150, C369S053170

Reexamination Certificate

active

07155640

ABSTRACT:
A hard disk drive (HDD) defect list searching method includes checking whether a target track is on a non-defective track list when a command to access the target track is applied, obtaining defect information from the non-defective track list if the target track is on the non-defective track list, searching for a defect list if the target track is not on the non-defective track list and obtaining defect information, including the number of defects existing between a starting track of a zone where the target track belongs and the target track and the number of defects in the target track, from the defect list, and obtaining defect information on the target track and defect information on tracks ranging from the target track to a next defective track from the defect list and storing the defect information to the target track and the next defective track on the non-defective track list.

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Notice of Office Action issued by the Korean Patent Office on Nov. 22, 2004.

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