[Openstack] Can I run qemu-kvm in an OpenStack Instance

Christopher Armstrong chris.armstrong at rackspace.com
Thu Jun 13 21:37:08 UTC 2013


On Thu, Jun 13, 2013 at 4:19 PM, Parrott, Robert <parrott at g.harvard.edu>wrote:

> No. You can't use KVM in a guest since it requires hardware
> virtualization. Instead you need to use qemu in emulation mode. Refer to
> the devstack code for how to set this up, since devatack will work in
> Amazon EC2.
>
>
It *is* possible to do KVM in KVM, actually. I just set it up today (but it
was my manually created KVM hosting a devstack launching KVM guests, not
the same situation as Daniel). I've heard this "you can't do KVM in KVM"
thing from a few different people and I want to make sure that it's clear
that you actually can, given the correct hardware support.

-- 
IRC: radix
Christopher Armstrong
Rackspace
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