Dual information processing system having a plurality of data tr

Details Dual information processing system having a plurality of data tr Dual information processing system having a plurality of data tr

1997-05-21

1998-11-24

Le, Dieu-Minh

39518204, 3951821, 39518211, 3952003, 39520043, G06F 1116, G06F 1517

Patent

active

058419632

ABSTRACT:
A dual computer system consisting of two computer systems connected by a plurality of data transfer units and a plurality of data transfer channels for a memory copy made to again synchronize both the computer systems at the time of recovery from a fault. When no fault occurs on the data transfer channels, the data transfer units share the load of data transfer in the memory copy operation, and when a fault occurs on any data transfer unit during the memory copy operation, the remaining normal data transfer units are used to again transfer data, whereby a memory copy is made at high speed for again synchronizing both the computer systems at the time of recovery from a fault, and system reliability at the time of recovery from a fault is improved.

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