On 26. 1. 2021, at 12:50, Gianluca Cecchi <gianluca.cecchi@gmail.com> wrote:

On Tue, Jan 26, 2021 at 10:26 AM <kim.kargaard@noroff.no> wrote:
Thanks all for the feedback.

When we bought the servers, they put some Nvidia Quadro P4000's in, but I can't seem to find anything that says they support vGPU.

I wasn't aware of the license server requirement for Nvidia, but the pricing isn't too bad, so I can probably get that pushed through. Anyone aware of which AMD cards are supported by oVirt? I have only found a list of Nvidia cards.

Thanks,

Kim



Hello,
updated list of supported GPUs for vGPU functionality should be this one:

and P4000 seems not to be present

So you could use the other supported method, with passthrough Gpu, following what described here for qemu command line:

and driving oVirt to do so with vdsm hook qemucmdline



why a hook? we have a “native” ovirt support for both GPU and vGPU since cca 4.1.
There was a hook initially, but that’s no longer needed…since 4.2 iirc
I think we also tested some Intel’s GTV-g card...



[root@ov200 ~]# dnf info vdsm-hook-qemucmdline.noarch
Last metadata expiration check: 2:48:59 ago on Tue 26 Jan 2021 09:58:06 AM CET.
Available Packages
Name         : vdsm-hook-qemucmdline
Version      : 4.40.40
Release      : 1.el8
Architecture : noarch
Size         : 15 k
Source       : vdsm-4.40.40-1.el8.src.rpm
Repository   : ovirt-4.4
Summary      : QEMU cmdline hook for VDSM
URL          : http://www.ovirt.org/develop/developer-guide/vdsm/vdsm/
License      : GPLv2+
Description  : Provides support for injecting QEMU cmdline via VDSM hook.
             : It exploits libvirt's qemu:commandline facility available in the
             : qemu xml namespace.

[root@ov200 ~]#

I donna if the doc here is up to date, not tested lately:
https://www.ovirt.org/develop/developer-guide/vdsm/hook/qemucmdline.html

I think the persist command in case of node is not necessary with NG any more
Developers could confirm and eventually point to the correct page for the hook guide?

Gianluca
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