Method and apparatus for verifying integrity of predefined data

Details Method and apparatus for verifying integrity of predefined data Method and apparatus for verifying integrity of predefined data

1997-05-23

1999-09-14

Palys, Joseph E.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

G06F 1214

Patent

active

059516992

ABSTRACT:
A method, apparatus and computer program product are provided for verifying integrity of predefined data structures in a computer system. A central software failure map is stored which includes for each of the predefined data structures a corresponding in-flux bit. The corresponding in-flux bit is set in response to a request to update one of the predefined data structures. Then updating of one of the predefined data structures is performed. The corresponding in-flux bit is reset in response to completing the update of the one of the predefined data structures. During recovery, the corresponding in-flux bits are checked to identify any unstable data structures.

REFERENCES:
patent: 5293600 (1994-03-01), Vriezen
patent: 5579318 (1996-11-01), Reuss et al.
patent: 5584007 (1996-12-01), Ballard

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