[Beowulf] Fwd: warewulf - cannot log into nodes
duke.lists at gmx.com
Mon Nov 26 20:51:17 PST 2012
On 11/22/12 1:59 AM, Gus Correa wrote:
> You probably mean MVAPICH2 (not MPIPICH2).
Yes, I meant MVAPICH2 :).
> Both Open-MPI and MVAPICH2 (which is a port of MPICH2 to run
> on IB), are easy to install (once you have OFED/OpenIB).
> Open-MPI is a bit more flexible, as it supports TCP/IP, IB,
> and other protocols, and has a number
> of configurable features, several of them at runtime.
> Both have mailing list support.
> It really doesn't hurt to install and use both,
> and they don't conflict.
On 11/21/12 4:49 PM, Hearns, John wrote:
> You can get a lot of help on the OpenMPI mailing list.
> It is friendly, and the developers will answer questions quickly.
> Please join that list!
Thanks for this recommendation. I actually have been in openmpi list
since I first started with a small cluster (one desktop, two laptops)
and tried to cluster them using NFS, DHCP, openMPI etc... few months
ago, and I got a lot of help from openmpi community. Honestly, these
experience helped me a lot this time.
> MPICH2 doesn't support IB, but works over TCP/IP and other protocols.
> Also, if you decide to use a resource manager (which you probably
> should in a cluster), such as Torque+Maui, or SGE/OGE, or Slurm,
> install it first, and build Open-MPI with resource manager
> This makes parallel job launching and management much simpler.
> (The three above have mailing lists also.)
Thanks! Yes, I am trying to get the system work with Torque/Maui/OpenMPI
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