Data processing system with path disconnection and memory access failure recognition
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United States of America Patent
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Oct 22, 1996
Issued Date -
N/A
app pub date -
Apr 28, 1995
filing date -
May 18, 1990
priority date (Note) -
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Abstract
A method is provided which controls a data processing system having two common memories forming a duplex memory, a plurality of clusters provided in common for the common memories, and input/output paths connecting the clusters to the common memories. The method includes the steps of detecting a failure which has occurred in one of the common memories by each of the clusters, physically disconnecting input/output paths connected to the above-mentioned one of the common memories therefrom when the failure is detected by one of the clusters, and inhibiting the clusters from accessing the above-mentioned one of the common memories in which the failure has occurred. There is also provided a data processing system that uses such a method.
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