[Beowulf] New member, upgrading our existing Beowulf cluster
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Chris Samuel csamuel at vpac.orgMon Dec 7 16:55:09 PST 2009
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----- "Håkon Bugge" <h-bugge at online.no> wrote: > What we did in Platform (Scali) MPI, was to drain > the HPC interconnect, then close it down. The problem > was then reduced to checkpoint (e.g. using BLCR) > N processes. I suspect this is what Open-MPI does too, but I don't know if the VM based systems can migrate such jobs without this application layer support. cheers, Chris -- Christopher Samuel - (03) 9925 4751 - Systems Manager The Victorian Partnership for Advanced Computing P.O. Box 201, Carlton South, VIC 3053, Australia VPAC is a not-for-profit Registered Research Agency
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