Method and apparatus for recovering from software faults

Details Method and apparatus for recovering from software faults Method and apparatus for recovering from software faults

1997-03-18

1999-09-07

Beausoliel, Jr., Robert W.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

714 38, G06F 1114

Patent

active

059481129

ABSTRACT:
A method for recovering from software fault in a fault tolerant computing system includes a system status recording step to record the system status at the occurrence of the above software fault when the above fault is judged to be a software fault by a fault identifying step, a software fault factor diagnosing step to diagnose the fault factor of the above software fault, a software fault recovery action determining step to determine a recovery action to the above fault factor of the above software fault, and a software fault recovery action executing step to execute the recovery action the above fault factor of the above software fault determined by the above software fault recovery action determining step after roll back.

REFERENCES:
patent: 5428618 (1995-06-01), Ueki et al.
patent: 5590277 (1996-12-01), Fuchs et al.
patent: 5630047 (1997-05-01), Wang
Bernstein, Philip A., "Sequoia: A Fault-Tolerant Tightly Coupled Multiprocessor for Transaction Processing," Computer, vol. 21, No. 2, Feb. 1988, pp. 37-45.
Silva et al., "Global Checkpointing for Distributed Programs", IEEE Publication, pp. 155-162, 1992.

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