[gpfsug-discuss] Multihomed nodes and failover networks

[Lukas Hejtmanek]

On Fri, Oct 26, 2018 at 03:52:43PM +0100, Jonathan Buzzard wrote:
> On 26/10/2018 15:48, Simon Thompson wrote:
> > If IB is enabled and is setup with verbs, then this is the preferred
> > network. GPFS will always fail-back to Ethernet afterwards, however
> > what you can't do is have multiple "subnets" defined and have GPFS
> > fail between different Ethernet networks.
> > 
> 
> If you want mitigate network failures then you need to mitigate it at layer
> 2. However it won't be cheap.

well, I believe this should be exactly what more 'subnets' are used for..

-- 
Lukáš Hejtmánek

Linux Administrator only because
  Full Time Multitasking Ninja 
  is not an official job title