Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Reexamination Certificate
2005-04-05
2005-04-05
Torres, Joseph D. (Department: 2133)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
C714S784000
Reexamination Certificate
active
06877128
ABSTRACT:
A method, computer program product, and data processing system for recovering corrupted data in a multi-track storage medium, such as magnetic tape, using a Reed-Solomon or other similar error correcting code system, is disclosed. A correction history keeping a tally of actual corrected instances of corruption in the storage medium is established. The “N” tracks requiring the greatest number of actual error corrections are designated as erasures. Any errors in the remaining tracks must be found on an individual basis before being corrected.
REFERENCES:
patent: 4336612 (1982-06-01), Inoue et al.
patent: 5255272 (1993-10-01), Gill et al.
patent: 5708637 (1998-01-01), Umemura et al.
Boyer Keith Gary
Gill Richard Allen
Storage Technology Corporation
Yee & Associates P.C.
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