Method and apparatus for replacement processing

Details Method and apparatus for replacement processing Method and apparatus for replacement processing

2004-12-22

2008-08-19

Puente, Emerson C (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S006130, C714S006130, C714S006130, C714S718000, C369S053170, C360S053000

Reexamination Certificate

active

07415636

ABSTRACT:
A recording-medium controlling apparatus that performs a read-access and a write-access of a recording medium in response to access request from a higher-level apparatus, detects a read error that occurs at a time of the read access, and performs a replacement processing, includes an error detecting unit that tries a plurality of the read accesses to an error location on the recording medium to detect whether the read error recurs a plurality of times; and a replacement processing unit that performs, when the error detecting unit detects that the read error recurs a plurality of times, a replacement processing for the error location.

REFERENCES:
patent: 5602814 (1997-02-01), Jaquette et al.
patent: 6233108 (2001-05-01), Inoue
patent: 6854071 (2005-02-01), King et al.
patent: 7050252 (2006-05-01), Vallis
patent: 2003/0031106 (2003-02-01), Ozaki
patent: 9-212311 (1997-08-01), None
patent: 10-247133 (1998-09-01), None
patent: 2002-215336 (2002-08-01), None
patent: WO98/41915 (1998-09-01), None

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