Re: [Xen-API] GPU passthrough: multiple vGPUs on the same VM

[Guillaume Thouvenin <guillaume.thouvenin@xxxxxxxxxx>]

Rob Hoes <Rob.Hoes@xxxxxxxxxx> a écrit :

> One slight note is that other-config:pci is a little more low-level 
> than the GPU-specific functions.
Hello guys,

I'm currently testing a nvidia grid K1 that shows 4 pci devices. I'm 
using Xenserver 6.2 to manage my VMs. If I run the command "xe 
gpu-group-list" I can see one group of nvidia K1 that contains four 
PGPU-uuids (that corresponds to the 4 GPUs provided by the K1). If I 
attach this group to a VM I only see one nvidia device in my VM. So if 
I understand correctly, with the GPU specific functions you can not 
bind all GPUs to a VM. I can not split the vGPU in different gpu group 
right?
So If I want to attach for example two vGPU to a VM and the two others 
to another one I need to set other-config:pci, right?
Thanks for the clarifications,
Best regards,
Guillaume


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