Off-track write error recovery

Details Off-track write error recovery Off-track write error recovery

2006-04-06

2008-09-09

Feild, Joseph (Department: 2627)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Recording-or erasing-prevention

C360S053000

Reexamination Certificate

active

07423828

ABSTRACT:
Method and apparatus for off-track write error recovery. A storage medium is provided with at least first and second tracks, and a write protected status is assigned to the second track to inhibit subsequent writing of data thereto in relation to a position error detected during writing of data to the first track. Preferably, a third track is disposed between the first and second tracks. The position error is preferably characterized as a first position error, and a write fault condition is declared during the writing of data to the first track in relation to a second position error different from the first position error. Data write operations are preferably performed on additional tracks while the write protected status of the second track is maintained. In this way, dual-sided encroachment or other track squeezing effects are reduced.

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patent: 2002/0030915 (2002-03-01), Nishida et al.
patent: 2003/0214743 (2003-11-01), Urata

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