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Byzantine Anomaly Testing for Charm++: Providing Fault Tolerance and Survivability for Charm++ Empowered Clusters

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3 Author(s)
Mogilevsky, D. ; Dept. of Comput. Sci., Illinois Univ., Urbana, IL ; Koenig, G.A. ; Yurcik, W.

Recently shifts in high-performance computing have increased the use of clusters built around cheap commodity processors. A typical cluster consists of individual nodes, containing one or several processors, connected together with a high-bandwidth, low-latency interconnect. There are many benefits to using clusters for computation, but also some drawbacks, including a tendency to exhibit low Mean Time To Failure (MTTF) due to the sheer number of components involved. Recently, a number of fault-tolerance techniques have been proposed and developed to mitigate the inherent unreliability of clusters. These techniques, however, fail to address the issue of detecting non-obvious faults, particularly Byzantine faults. At present, effectively detecting Byzantine faults is an open problem. We describe the operation of ByzwATCh, a module for run-time detecting Byzantine hardware errors as part of the Charm++ parallel programming framework

Published in:

Cluster Computing and the Grid, 2006. CCGRID 06. Sixth IEEE International Symposium on  (Volume:2 )

Date of Conference:

16-19 May 2006

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