Method and apparatus for performing change-over control to processor groups by using rate of failed processors in a parallel computer
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United States of America Patent
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-
Jul 29, 1997
Grant Date -
N/A
app pub date -
Mar 9, 1995
filing date -
Mar 15, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a change-over control method for a parallel processor system including a current processor group having a plurality of processors and a network connecting the processors to each other and a standby processor group configured in the same way as for the current processor group, a processor control section is disposed in the parallel processor system, and a monitor processor is arranged for each of the current and standby processor groups. A faulty processor ratio determined according to the amount of job processing is set to the processor control section. On receiving a report notifying occurrence of a failure in a processor from the monitor processor disposed in the current processor group, the processor control section determines a ratio of failed processors in the current processor group. When the ratio is equal to or more than the faulty processor ratio, the processor control section effects a change-over operation of transferring job processing from the current processor group to the standby processor group.
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