Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2006-03-08
2009-06-02
Bonzo, Bryce P (Department: 2113)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S012000, C714S013000
Reexamination Certificate
active
07543180
ABSTRACT:
One embodiment of the present invention provides a system that enhances throughput and fault-tolerance in a parallel-processing system. During operation, the system first receives a task. Next, the system partitions N computing nodes into M set-aside nodes and N-M primary computing nodes, wherein M≧1. The system then processes the task in parallel across the N-M primary computing nodes. While doing so, the system proactively monitors the health of each of the N-M primary computing nodes. If the system detects a node in the N-M primary computing nodes to be at risk of failure, the system copies the portion of the task associated with the at-risk node to a subset of the M set-aside nodes. The system then processes the portion of the task in parallel across the subset of the M set-aside nodes while the N-M primary computing nodes continue executing.
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patent: 5835697 (1998-11-01), Watabe et al.
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patent: 7117389 (2006-10-01), Luick
patent: 2004/0221193 (2004-11-01), Armstrong et al.
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Gross Kenny C.
Wood Alan Paul
Bonzo Bryce P
Park Vaughan & Fleming LLP
Sun Microsystems Inc.
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