Patent ID: 11881238
Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 11:
12. A method of operating a data storage device, comprising:
mapping out, by one or more processing devices, one or more sectors in each of a plurality of lower coercivity areas with a coercivity lower than a threshold on one or more disks, wherein each of the plurality of lower coercivity areas spans a plurality of tracks on a corresponding disk surface of the one or more disks, and wherein mapping out the one or more sectors comprises mapping out a plurality of sectors cross-track in the at least one of the plurality of lower coercivity areas; and
writing data to, or reading data from, the one or more disks, based at least in part on mapping out the one or more sectors in each of the plurality of lower coercivity areas, and wherein the writing or reading data comprises:
writing data to, or reading data from, one or more sectors of the one or more disks that are not mapped out.