Nested VM device passthrough?


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Is it possible to passthrough GPU/Devices to nested VM? (Like GPU from Unraid-bare metal to UnraidVM to Windows?)

 

What I would like to have is just one hardware that has two NICs, Router (pfSense/Vyos), UNRAID, and on the UNRAID I would like to use GPU passthrough that has Openelec and Win10 (not at the same time because one GPU and only one device to display stuff).

 

Why Unraid as a VM? Because if I would use UNRAID on baremetal and want pfSense/Vyos as a router Unraid shares has to be up to start network.

 

With something like ESXi on bottom the UNRAID would be able to update without network going down etc...

 

Just wondering if this would be possible because I saw that Unraid 6.2 has nested VM virtualization enabled and have not been able to find if this has been done or would it be even possible.

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