I see, thank you for the reply. Even if it does not make sense for MIG to be supported/documented upstream if someone does come across MIG+OpenStack not backed by virtual GPUs do ping me please :-) I'll be trying to get this working when some cards arrive. Cheers, António On 14/06/21 18:01, Sylvain Bauza wrote: > > > On Mon, Jun 14, 2021 at 4:37 PM António Paulo <antonio.paulo at cern.ch > <mailto:antonio.paulo at cern.ch>> wrote: > > Hi! > > Has anyone looked into instancing VMs with NVIDIA's Multi-Instance GPU > (MIG) devices [1] without having to rely on vGPUs? Unfortunately, NVIDIA > vGPUs lack tracing and profiling support that our users need. > > I could not find anything specific to MIG in the OpenStack docs but I > was wondering if doing PCI passthrough [2] of MIG devices is an option > that someone has seen or tested? > > Maybe some massaging to expose the MIG as a Linux device is required > [3]? > > > Nividia MIG feature is orthogonal to virtual GPUs and hardware dependent. > As the latter, this is not really something we can "support" upstream as > our upstream CI can't just verify it. > > Some downstream vendors tho have work efforts for trying to test this > with their own solutions but again, not something we can discuss it here. > > Cheers, > António > > [1] https://docs.nvidia.com/datacenter/tesla/mig-user-guide/ > <https://docs.nvidia.com/datacenter/tesla/mig-user-guide/> > [2] https://docs.openstack.org/nova/pike/admin/pci-passthrough.html > <https://docs.openstack.org/nova/pike/admin/pci-passthrough.html> > [3] > https://docs.nvidia.com/datacenter/tesla/mig-user-guide/#device-nodes <https://docs.nvidia.com/datacenter/tesla/mig-user-guide/#device-nodes> >