Method and apparatus for time-based event correlation

Details Method and apparatus for time-based event correlation Method and apparatus for time-based event correlation

2008-01-11

2011-10-18

Lohn, Joshua (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S037000

Reexamination Certificate

active

08041996

ABSTRACT:
A method and apparatus for fault analysis and fault isolation in a system of networked processors by using a central event correlation function and logical fault signature to provide for fault isolation of failed processing elements is presented. This central event correlation method uses asynchronous events from multiple input sources of same and different technologies and time-based fault correlation and ageing to match unique fault signatures and determine levels of fault recovery escalation over time. This mechanism uses an event driven recovery table to recognize a unique fault signature, count and age faults, provide fault threshold based recovery and generate events as needed to drive recovery escalation.

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