Disk drive prioritizing in-the-field defect scanning based...

Details Disk drive prioritizing in-the-field defect scanning based... Disk drive prioritizing in-the-field defect scanning based...

2011-04-19

2011-04-19

Olson, Jason C (Department: 2627)

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

C360S053000

Reexamination Certificate

active

07929234

ABSTRACT:
A disk drive is disclosed comprising a head actuated over a disk, the disk having a plurality of data tracks, wherein a first plurality of data tracks comprises a first plurality of defect scanned data sectors and a second plurality of data tracks comprises a second plurality of unscanned data sectors. The second plurality of data tracks is divided into a plurality of defect zones. A first number of write commands are received from a host to write data to a first defect zone. A first data sector in the first defect zone is defect scanned in response to the first number of write commands to the first defect zone.

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