Nova support for multiple vGPUs?

Sigurd Kristian Brinch sigurd.k.brinch at uia.no
Wed Apr 20 16:42:18 UTC 2022


Hi,
As far as I can tell, libvirt/KVM supports multiple vGPUs per VM
(https://docs.nvidia.com/grid/14.0/grid-vgpu-release-notes-generic-linux-kvm/index.html#multiple-vgpu-support),
but in OpenStack/Nova it is limited to one vGPU per VM
(https://docs.openstack.org/nova/latest/admin/virtual-gpu.html#configure-a-flavor-controller)
Is there a reason for this limit?
What would be needed to enable multiple vGPUs in Nova?

BR
Sigurd
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