System for providing automatic power control for highly availabl

Details System for providing automatic power control for highly availabl System for providing automatic power control for highly availabl

1994-08-29

1996-09-24

Geckil, Mehmet B.

Boots, shoes, and leggings

39518504, 395750, 39520011, 364DIG1, 364267, 3642673, 3642679, 3642734, G06F 1120

Patent

active

055600336

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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patent: 5129080 (1992-07-01), Smith
patent: 5153909 (1992-10-01), Beckle et al.
patent: 5239575 (1993-08-01), White et al.
patent: 5440726 (1995-08-01), Fuchs et al.
patent: 5448723 (1995-09-01), Rowett

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