Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
1998-11-30
2002-03-19
Beausoleil, Robert (Department: 2184)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C713S152000, C709S222000, C707S793000
Reexamination Certificate
active
06360334
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a method and apparatus for software management in a distributed system. In particular, the invention provides a method and apparatus for verifying the software configuration of a distributed system.
2. Background Information
Distributed computing systems can have a variety of hardware configurations. Each hardware configuration can have a variety of software configurations. Further, each software item in the distributed system can be further comprised of a plurality of software components. Thus, the correct software configuration for the distributed system depends on the hardware that should be present, the software items that should be present for the hardware, and the software components that should be present for the software items.
Software items may be replaced individually or be corrupted. Some software items may be contained in particular pieces of hardware that may be replaced individually. As a result, the software configuration can be altered by software maintenance, hardware maintenance, or corruption of system storage. What is needed is a method for verifying the software configuration of a distributed system based on data defining the expected hardware configuration and data defining the software items.
SUMMARY OF THE INVENTION
A software record that identifies a software component associated with a processor in a distributed processing system is retrieved from a software configuration database. A check value is calculated for a copy of the software component loaded on the processor. The check value is compared to a second check value retrieved from the software record to verify the software component file.
REFERENCES:
patent: 5923673 (1999-07-01), Henrikson
patent: 6092213 (2000-07-01), Lennie et al.
patent: 6131119 (2000-10-01), Fukui
patent: 6163823 (2000-12-01), Henrikson
patent: 6173417 (2001-01-01), Merrill
Jenkins David
Kavanagh Russell
Love Donna
Beausoleil Robert
Eppele Kyle
Jensen Nathan O.
Rockwell Collins, Inc.
Ziemer Rita A
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