qemu emulation or virtualiztion, which one is it using?
smooney at redhat.com
Tue Apr 2 09:52:04 UTC 2019
On Tue, 2019-04-02 at 11:32 +0200, Kashyap Chamarthy wrote:
> On Tue, Apr 02, 2019 at 06:37:48AM +0000, Manuel Sopena Ballesteros wrote:
> > Ok,
> > Thank you for your prompt response. I can see this in the nova.conf file:
> > [libvirt]
> > ...
> > virt_type = kvm
> > ...
> > Can I assume qemu is using virtualization through kvm?
> If `virt_type = kvm` is set, then yes, your instance should be using
> You can confirm it in a couple of ways:
> - Check that your Nova instance's QEMU process has this in its QEMU
> command-line: "-machine accel=kvm". (`ps -ef | grep qemu`, and look
> for the relevant process.)
this should always work
> - SSH into your instance, run `systemd-detect-virt` (or `virt-what` if
> you have it). It should report 'kvm', if KVM is really being used.
not in all cases. you can turn on hypervior hiding which may or may not be viable
to endusers in a public cloud setting.
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