Abstract

Fault tolerant message passing environments protect parallel applications against node failures. Very large scale computing systems, ranging from large clusters to worldwide Global Computing systems, require a high level of fault tolerance in order to efficiently run parallel applications. The Channel Memory approach provides the infrastructure for scalable tolerance to simultaneous faults. Along with a specially designed checkpointing system and recovery protocol, this approach has resulted in the MPICH-V architecture. In this paper, we describe CMDE – a stand-alone distributed program system based on MPICH-V architecture and implementing an approach to tolerate faults of Channel Memories.

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