want to look at our FAQ
> category for large clusters:
>
> http://www.open-mpi.org/faq/?category=large-clusters
>
> On Jun 22, 2011, at 9:43 AM, Thorsten Schuett wrote:
> > Thanks for the tip. I can't tell yet whether it helped or not. However,
> > with y
num 128 -mca
> mpi_preconnect_mpi 0 -mca mpool_sm_min_size 131072 -mca btl
> sm,openib,self -mca btl_openib_want_fork_support 0 -mca
> opal_set_max_sys_limits 1 -mca osc_pt2pt_no_locks 1 -mca
> osc_rdma_no_locks 1 YOUR_APP
>
> (Watch the step : only one line only ...)
>
> This should be suita
On Tuesday, June 21, 2011, Gilbert Grosdidier wrote:
> Bonjour Thorsten,
>
> Could you please be a little bit more specific about the cluster
> itself ?
>
> G.
>
> Le 21 juin 11 à 17:46, Thorsten Schuett a écrit :
> > Hi,
> >
> > I am runni
Hi,
I am running openmpi 1.5.3 on a IB cluster and I have problems starting jobs
on larger node counts. With small numbers of tasks, it usually works. But now
the startup failed three times in a row using 255 nodes. I am using 255 nodes
with one MPI task per node and the mpiexec looks as follo