This typically means that the IB kernel drivers are not loaded. Are
you running the same version of OFED on all of your blades?
On Aug 22, 2007, at 4:02 PM, John Leidel wrote:
All, in adding two new blade centers full of machines to my
existing cluster install, I'm getting the following errors in
trying to run MPI jobs over MVAPICH ::
libibverbs: Fatal: no infiniband class devices found.
No IB device found
All machines are essentially the same archticture... 2.8Ghz
opterons. All are running TopSpin/Cisco IB gear. The blade
centers both has internal IB switches, to which I have connected to
our existing TopSpin core switch. I disabled the subnet managers
on both blade chassis IB switches as I'm running the subnet manager
from the IB core switch.
Any thoughts on what is going on?
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Jeff Squyres
Cisco Systems
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