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Adjusting Error Priorities for Ensuring Valid Recovery

IP.com Disclosure Number: IPCOM000049814D
Original Publication Date: 1982-Jul-01
Included in the Prior Art Database: 2005-Feb-09

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Related People

Andersen, WN Derenburger, JH Saavedra, F [+details]


When detecting errors on recording media where the error area cannot be related to data sequences surrounding the area, a fault-indicated error can result in data integrity exposures. Generally, errors are logged in a priority list such that if multiple errors are simultaneously detected, only the highest priority error is logged. Upon detecting any error on a magnetic recording medium, a plurality of retries are employed to recover. During such plural retries, if an error other than a predetermined error occurs, then a combination of the two errors adjusts the priority of the errors such that alternate recovery is employed; i.e., in a magnetic medium an alternate or secondary area is accessed.