Method for improving system availability after the failure...

G - Physics – 06 – F

Patent

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G06F 11/14 (2006.01)

Patent

CA 2319214

When tasks are processed in a processor platform, the processing procedure is distributed over a logical chain of several processors of said processor platform. When one of the processors fails, the data is lost and the entire chain is left blocked for a considerable period. According to the inventive method, this problem is solved by forming another chain in which significant status-related data is transferred to the following processor. When restarted, the processor which failed can then reload said data and resume the status that it had before the failure.

Des tâches sont effectuées dans une plate-forme de processeurs du fait que le processus de traitement est réparti sur une chaîne logique de plusieurs processeurs de la plate-forme de processeurs. En cas de défaillance d'un des processeurs, les données sont perdues et l'ensemble de la chaîne demeure bloquée pendant longtemps. L'invention permet de pallier ces inconvénients, par constitution d'une nouvelle chaîne dans laquelle des données concernant l'état sont transmises au processeur séquentiel. Au moment où il est relancé, le processeur défaillant peut alors charger à nouveau ces données et reprendre l'état qu'il avait avant la panne.

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