Nested vm in lxd

lbg74 · May 11, 2020, 5:16pm

Hi.

I created lxd vm, installed lxd in vm and checked that the container was created and executed normally.

Is nest vm impossible?

Please see the picture below.

stgraber · May 11, 2020, 6:04pm

Not with most commonly available kernels, no.

There is work to allow vsock nested that I believe has been merged in very recent kernels and should then allow this, but that’s not readily available yet.

lbg74 · May 12, 2020, 9:35am

If the vhost_vsock module is loaded, is it possible to implement nestvm?

In the latest kernel of centos (5.6.12), I checked that vhost_vsock is loaded with the help of @tomp.

In efi mode, I couldn’t find a way to expand the disk, so I couldn’t test it yet. (growpart is not available in efi.)