Patent ID: 6661591
Filing Date: 2003-12-09
Classification: G11B

Abstract:
A disk drive comprising:a disk; a head; and an actuator for actuating the head radially over the disk, wherein:(a) the disk comprises a plurality of tracks; (b) each track comprises a plurality of data sectors for storing data and a plurality of sector-reconstruction-interleave (SRI) sectors for storing redundancy data; (c) the redundancy data stored in a selected one of the SRI sectors is generated in response to the data stored in an interleave of the data sectors corresponding to the selected one of the SRI sectors; (d) at least one of the tracks comprises n SRI sectors corresponding to n interleaves of the data sectors, where n is greater than one; and (e) each interleave of data sectors comprises every nth data sector offset by the interleave number.