Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Patent
1994-11-30
2000-03-14
Le, Dieu-Minh T.
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
714 15, 714774, G06F 1100
Patent
active
060386797
ABSTRACT:
A data storage system is adapted for performing a plurality of data recovery procedures and data recovery routines. A selection switch is provided for manually selecting the plurality of data recovery procedures and routines preferably stored in, and performed by, a controller disposed in the data storage system. Alternatively, a host computer system, coupled to the data storage system, preferably produces a selection code instructing the data storage system to perform selected data recovery procedures and routines. Automatic execution of selected data recovery procedures and routines is facilitated by a controller in the data storage system which determines the type of data stored on the data disk, and executes selected data recovery procedures and routines upon detection of a read error in accordance with the determined type of the affected data.
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Batzli Brian H.
Hollingsworth Mark A.
International Business Machines - Corporation
Le Dieu-Minh T.
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