Starting in the v1.3 series, we put in slightly better checks about
when to issue this warning or not. It *shouldn't* display the
warnings if the OpenFabrics drivers are not loaded.
Can you verify if your OpenFabrics drivers are loaded on your new, non-
On May 8, 2009, at 4:40 AM, Brett Pemberton wrote:
> We have a cluster with infiniband, and openmpi working happily.
> We've just added some new nodes, with no ib. The scheduler has been
> told to only schedule jobs onto those nodes, which don't span
> nodes. Easy.
> Except that openmpi warns the user that no openib was found, and
> it's dropping back to another transport (possibly at a penalty).
> This is no problem to me, but it worries our users for no reason.
> My plan was to put some local openmpi mca config files on those
> nodes that only allow sm,self,tcp which (I'd hope) would eliminate
> the warning that it can't use openib. However our openmpi installs
> are to a global fs.
> Is it possible to put a line in the global $SYSCONFDIR/etc/openmpi-
> mca-params.conf to tell it to also include a subsequent /etc/openmpi-
> Any better ways of handling this would also be appreciated.
> / Brett
> Brett Pemberton - VPAC Senior Systems Administrator
> http://www.vpac.org/ - (03) 9925 4899
> users mailing list