[Beowulf] experience with HPC running on OpenStack

John Hearns hearnsj at gmail.com
Tue Jun 30 21:09:17 PDT 2020

Jorg, I would back up what Matt Wallis says. What benefits would Openstack
bring you ?
Do you need to set up a flexible infrastructure where clusters can be
created on demand for specific projects?

Regarding Infiniband the concept is SR-IOV. This article is worth reading:

I would take a step back and look at your storage technology and which is
the best one to be going forward with.
Also look at the proceeding sof the last STFC Computing Insights where
Martyn Guest presented  a lot of
benchmarking results   on AMD Rome
Page 103 onwards in this report

On Tue, 30 Jun 2020 at 12:21, Jörg Saßmannshausen <
sassy-work at sassy.formativ.net> wrote:

> Dear all,
> we are currently planning a new cluster and this time around the idea was
> to
> use OpenStack for the HPC part of the cluster as well.
> I was wondering if somebody has some first hand experiences on the list
> here.
> One of the things we currently are not so sure about it is InfiniBand (or
> another low latency network connection but not ethernet): Can you run HPC
> jobs
> on OpenStack which require more than the number of cores within a box? I
> am
> thinking of programs like CP2K, GROMACS, NWChem (if that sounds familiar
> to
> you) which utilise these kind of networks very well.
> I cam across things like MagicCastle from Computing Canada but as far as I
> understand it, they are not using it for production (yet).
> Is anybody on here familiar with this?
> All the best from London
> Jörg
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