Kumar, Amit H. wrote:
I have some applications(mvapich2, pvfs2 …) compiled to use the OFED
Infiniband protocol stack.
May be a stupid question ..:
Is it valid to see at the “ifconfig ib0” stats to report the usage of IB
protocol stack, regardless what application I making use of the IB stack.?
Hi Amit:
Only if they have loaded/configured IPoIB. If they haven't
configured it, you might be able to try
ibnodes
and see if this reports anything on the network. We do tend to
configure this for our customers clusters precisely as a
diagnostics/testing tool (and as a way to enable infiniband-ignoring MPI
stacks such as MPICH1/2 to have a fighting chance of using infiniband).
Joe
Thank you,
Amit
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