[Beowulf] PVFS or NFS in a Beowulf cluster?
hahn at physics.mcmaster.ca
Tue Jan 18 15:50:30 PST 2005
> I don't see a contradiction to use both: NFS for the home directories (on some
> sort of master node with an attached hardware RAID), PVFS2 for a shared scratch
> space (in case the applications need a shared scratch space across the nodes).
that's certainly attractive. has anyone tried PVFS2 in a *parallel* cluster?
that is, for tight-coupled parallel applications, it's quite critical avoid
stealing cycles from the MPI worker threads. I'd be curious to know how much
of a problem PVFS2 would cause this way.
thanks, mark hahn.
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