Disk drive employing off-line sector verification and...

Details Disk drive employing off-line sector verification and... Disk drive employing off-line sector verification and...

2006-05-23

2006-05-23

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data verification

Reexamination Certificate

active

07050252

ABSTRACT:
A disk drive is disclosed wherein if multiple retries beyond a threshold are required to recover a data sector during a normal read operation, the data sector is added to a marginal sector list. During an off-line scan, the data sectors in the marginal sector list are verified. If the verification of a data sector fails, the data sector is relocated.

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