System for providing automatic power control for highly available n+k processors
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United States of America Patent
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Sep 24, 1996
Grant Date -
N/A
app pub date -
Aug 29, 1994
filing date -
Aug 29, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A highly available processor complex that can use industry standard hardware and software through use of an N+K sparing arrangement with a separate monitor ('watchdog') processor. The watchdog processor monitors periodic 'heartbeat' messages from the monitored elements and can change activity and status of such monitored elements through control messages. Further, the watchdog processor is operatively connected to a power control circuit that controls the power to the monitored elements. Thus, the watchdog processor can guarantee that a faulty element can be rendered non-functional and can also totally restart an element through power cycling it.
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