Method for maintaining consistent dual copies of vital...

Details Method for maintaining consistent dual copies of vital... Method for maintaining consistent dual copies of vital...

2005-07-26

2005-07-26

Robinson, Greta (Department: 2167)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000

Reexamination Certificate

active

06922709

ABSTRACT:
A dual accessor library is equipped to maintain consistent dual copies of vital product data (VPD) or other such metadata. For each accessor, the library includes various associated components, including a controller to manage the media accessor, VPD or other such metadata containing information representing prescribed types of library properties, and a version code corresponding to the VPD. Each controller advances the associated version code in response to VPD changes. Responsive to predetermined stimuli, the accessor controllers compare their associated version codes and if the version codes do not match, updating the older VPD with contents of the newer VPD.

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“Updating Software and Configuration Data in a Distributed Communications Network”, Carl W. Symborski,IEEE, 1988, pp. 331-338.

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