Experience with VGPUs

Oliver Weinmann oliver.weinmann at me.com
Thu Jan 12 06:56:04 UTC 2023


Dear All,

we are planning to have a POC on VGPUs in our Openstack cluster. 
Therefore I have a few questions and generally wanted to ask how well 
VGPUs are supported in Openstack. The docs, in particular:

https://docs.openstack.org/nova/zed/admin/virtual-gpu.html

explain quite well the general implementation.


But I am more interested in general experience with using VGPUs in 
Openstack. We currently have a small YOGA cluster, planning to upgrade 
to Zed soon, with a couple of compute nodes. Currently our users use 
consumer cards like RTX 3050/3060 on their laptops and the idea would be 
to provide VGPUs to these users. For this I would like to make a very 
small POC where we first equip one compute node with an Nvidia GPU. 
Gladly also a few tips on which card would be a good starting point are 
highly appreciated. I know this heavily depends on the server hardware 
but this is something I can figure out later. Also do we need additional 
software licenses to run this? I saw this very nice presentation from 
CERN on VGPUs:

https://indico.cern.ch/event/776411/contributions/3345183/attachments/1851624/3039917/02_-_vGPUs_with_OpenStack_-_Accelerating_Science.pdf

In the table they are listing Quadro vDWS licenses. I assume we need 
these in order to use the cards? Also do we need something like Cyborg 
for this or is VGPU fully implemented in Nova?

Best Regards,

Oliver
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