Automatic data recovery for a duplex pair

Details Automatic data recovery for a duplex pair Automatic data recovery for a duplex pair

1998-02-23

2000-07-11

Beausoliel, Jr., Robert W.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

714 5, 714 6, 714 7, 714 15, 714 16, 714 2, 714 25, 711162, G06F 1300

Patent

active

060888156

ABSTRACT:
A method and system for the automatic data recovery for a duplex pair is provided. The preferred embodiment includes the discovery of lost data on the first subsystem. A copy of the lost data is automatically transferred from the second subsystem to the first subsystem. Then the copy of the lost data is automatically written into the first subsystem. The host processor and the operator is unaware data had been lost. The method and system of the present invention eliminates the need to terminate the job which triggered the discovery of the lost data. It also eliminates the need for any involvement of the operator in the data recovery process.

REFERENCES:
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patent: 5446871 (1995-08-01), Shomler
patent: 5504861 (1996-04-01), Crockett
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patent: 5592618 (1997-01-01), Micka
patent: 5657440 (1997-08-01), Micka
patent: 5692155 (1997-11-01), Iskiyan
patent: 5835954 (1998-11-01), Duyanovich et al.
patent: 5870537 (1999-02-01), Kern
patent: 5889935 (1999-03-01), Ofek

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