Data processing apparatus and data processing method

Details Data processing apparatus and data processing method Data processing apparatus and data processing method

2005-10-18

2005-10-18

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S015000, C714S019000, C714S020000

Reexamination Certificate

active

06957359

ABSTRACT:
If an incidental interruption of power supply occurs in a system, an apparatus and method is provided that a status immediately before the interruption of power supply can be stored. A request for a status-storing process is outputted from an application to a check point manager in a module. A request for an execution of a snap shot output to components, such as the application, a device driver and the like, is outputted to the manager. A sequence at this time is based on an sequence recorded in a status-storing database. The sequence represents a dependence relation between the components. When each component receives the request for the snap shot output, a function existing in a particular address for each component is read out and the component status is outputted as a snap shot file through the manager to a non-volatile memory.

REFERENCES:
patent: 6131148 (2000-10-01), West et al.
patent: 6473775 (2002-10-01), Kusters et al.
patent: 6618794 (2003-09-01), Sicola et al.
patent: 6708227 (2004-03-01), Cabrera et al.
patent: 6732125 (2004-05-01), Autrey et al.

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