[Lustre-discuss] InfiniBand networking in VMware vSphere

Vsevolod Nikonorov v.nikonorov at nikiet.ru
Fri Jul 5 05:40:20 PDT 2013

Am I undersrand correctly - esxi uses network bandwith from several IB adapters and provides it to VMs via vmxnet3 driver? So VMs only see 10G of bandwidth, but that is just virtualized IB resources, so it is possoble to establish a bond of several ethernet links inside a VM?

On Fri, 05 Jul 2013 14:24:22 +0200
Philippe Weill <philippe.Weill at latmos.ipsl.fr> wrote:

> Le 05/07/2013 13:19, Vsevolod Nikonorov a écrit :
> > Hello everybody, I am wondering now are there any ways to use InfiniBand network adapters in vSphere-based virtual machine
> > so that I could build a virtual cluster using lustre as a shared storage?
> > As far as I know, the only way of using InfiniBand into virtual machine requires enabling passthrough on ESXi host
> >for InfiniBand network adapter, which automatically denies features like vMotion,
> >which is one of the main reasons to think about virtual cluster for HPC.
> >
> > Sorry for some offtopic, and thanks in advance!
> >
> we use IB on esxi5 host with mellanox driver
> but in VM only vmxnet3 (10G)
> we just have lustre client VM mounting the lustre filesystem over tcp
> -- 
>   Weill Philippe -  Administrateur Systeme et Reseaux
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Всеволод Никоноров,

<v.nikonorov at nikiet.ru>

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