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Disk drive prioritizing in-the-field defect scanning based on number of write operations in each of a plurality of defect zones
Disk drive prioritizing in-the-field defect scanning based on number of write operations in each of a plurality of defect zones
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机译:磁盘驱动器根据多个缺陷区域中每个缺陷区域中的写操作次数来优先考虑现场缺陷扫描
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摘要
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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