[openstack-dev] [NOVA] nova GPU suppot and find GPU type

Manuel Sopena Ballesteros manuel.sb at garvan.org.au
Mon Oct 29 23:20:52 UTC 2018

Dear Nova community,

This is the first time I work with GPUs.

I have a Dell C4140 with x4 Nvidia Tesla V100 SXM2 16GB I would like to setup on Openstack Rocky.

I checked the documentation and I have 2 questions I would like to ask:

1.       Docs (1) says As of the Queens release, there is no upstream continuous integration testing with a hardware environment that has virtual GPUs and therefore this feature is considered experimental. Does it means nova will stop supporting GPUs? Is GPU support being transferred to a different project?

2.       I installed cuda-repo-rhel7-10-0-local-10.0.130-410.48-1.0-1.x86_64 on the physical host but I can't find the type of GPUs installed (2) (/sys/class/mdev_bus doesn't exists). What should I do then? What should I put in devices.enabled_vgpu_types<https://docs.openstack.org/nova/rocky/configuration/config.html#devices.enabled_vgpu_types>?

(1) - https://docs.openstack.org/nova/rocky/admin/virtual-gpu.html
(2)- https://docs.openstack.org/nova/rocky/admin/virtual-gpu.html#how-to-discover-a-gpu-type

Thank you very much

Manuel Sopena Ballesteros | Big data Engineer
Garvan Institute of Medical Research
The Kinghorn Cancer Centre, 370 Victoria Street, Darlinghurst, NSW 2010
T: + 61 (0)2 9355 5760 | F: +61 (0)2 9295 8507 | E: manuel.sb at garvan.org.au<mailto:manuel.sb at garvan.org.au>

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