Importance

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Abstract

A reassign process is provided in a disk drive system including a plurality of tracks for storing data, each of the tracks being divided into a plurality of sectors, each sector having a corresponding logical address value associated therewith. Each track has a corresponding skew associated therewith and having a nominal skew value providing adequate time for sequential access of the corresponding track from a sequentially preceding track. The reassign process is operative to reassign data sectors stored in a reassign span including a first partial track having a reassign sector, a second partial track having a spare sector corresponding with the reassign sector, and at least one intermediate track disposed between the first and second partial tracks. The reassign process includes adjusting the nominal skew value of at least one of the intermediate tracks by a corresponding skew delta adjustment value so that the logical address values associated with the sectors of the intermediate track are transposed thereby effectively shifting data stored in selected sectors of the intermediate track in a direction of the spare sector relative to the reassign sector.

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First Claim