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From: Graham Jenkins (Graham.Jenkins_at_[hidden])
Date: 2007-07-05 00:30:52

> On Jul 4, 2007, at 8:21 PM, Graham Jenkins wrote:
>> I'm using the openmpi-1.1.1-5.el5.x86_64 RPM on a Scientific Linux 5
>> cluster, with no installed HCAs. And a simple MPI job submitted to
>> that
>> cluster runs OK .. except that it issues messages for each node
>> like the
>> one shown below. Is there some way I can supress these, perhaps by an
>> appropriate entry in /etc/openmpi-mca-params.conf ?
>> --
>> libibverbs: Fatal: couldn't open sysfs class 'infiniband_verbs'.
>> ----------------------------------------------------------------------
> Yes, there is a line you can add to /etc/openmpi-mca-params.conf:
> btl=^openib
> will tell Open MPI to use any available btls (our network transport
> layer) except openib.
It works! Thanks for that :)

Graham Jenkins
Senior Software Specialist, E-Research
Email: Graham.Jenkins_at_[hidden]
Tel:   +613 9905-5942
Mob:   +614 4850-2491