[Openstack] [Nova] How is nova flavour related to VNC usage ?

Deepak Shetty dpkshetty at gmail.com
Wed Jun 11 16:05:56 UTC 2014


Thanks, switching from virt_type=kvm to qemu works!
I spent close to 4 days on this :(


On Wed, Jun 11, 2014 at 7:50 PM, Lars Kellogg-Stedman <lars at redhat.com>
wrote:

> On Wed, Jun 11, 2014 at 11:24:04AM +0530, Deepak Shetty wrote:
> >    Thanks that helped, just curious, why does it need to use libguestfs ?
> > Why can't it just use qemu-img resize to check ?
>
> Nova is checking whether or not the given disk image has partitions.
> If has partitions, it cannot be blindly resized.  qemu-img cannot
> perform this check.
>
> This is from memory; for authoritative details, see the source:
> nova/virt/disk/api.py, "is_image_partitionless".
>
> > Also in my devstack setup i see that my Nova VM is stuck at this step..
> so
> > it looks like nova libvirt driver debug says "Creating image" in the
> n-cpu
> > log
>
> I have run into this bug when attempting to use nested KVM.  There's a
> bug report here:
>
>   https://bugs.launchpad.net/nova/+bug/1286256
>
> --
> Lars Kellogg-Stedman <lars at redhat.com> | larsks @ irc
> Cloud Engineering / OpenStack          | "   "  @ twitter
>
>
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