Method operating hard disk drive on the basis of predicted...

Details Method operating hard disk drive on the basis of predicted... Method operating hard disk drive on the basis of predicted...

2011-05-31

2011-05-31

Negrón, Daniell L (Department: 2627)

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data verification

C360S031000, C360S048000

Reexamination Certificate

active

07952826

ABSTRACT:
A method of operating a hard disk drive (HDD) on the basis of a predicted new defect in a disk associated with the HDD is disclosed. The method includes detecting defects in a magnetic surface of the disk, defining a plurality of clusters by grouping the detected defects using a hierarchical clustering algorithm, calculating a curve fit for each one of the plurality of clusters, predicting a new defect likely to occur in the magnetic surface of the disk on the basis of the calculated curve fit; and writing data to the disk on the basis of the new defect prediction.

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