[one-users] Disk image type not propagated by saveas

Tino Vazquez tinova at opennebula.org
Wed Aug 17 04:09:09 PDT 2011

Dear Rob,

The "raw" disk type attribute is being pulled from the default, which
is set in /etc/one/vmm_exec/vmm_exec_kvm.conf  (in OpenNebula 3.0
Beta1, in OpenNebula 2.2 is /etc/one/vmm_kvm/vmm_kvm.conf IIRC).

Which version of OpenNebula are you using? In 3.0, you can update the
image template to add the type parameter, using "oneimage update".

Hope it helps,


Constantino Vázquez Blanco, MSc
OpenNebula Major Contributor
www.OpenNebula.org | @tinova79

On Sat, Aug 13, 2011 at 12:36 AM, Robert Parrott
<parrott at seas.harvard.edu> wrote:
> Hi Folks,
> After fixing an older issue with the "onevm saveas" command, I'm
> seeing the following behavior.
> If I do a "onevm saveas" on a running VM with a qcow2 disk image, and
> then shutdown the VM, I see that it successfully shutdowns and then
> copies over the VM image.
> However, I can't start VMs from these images.  The root cause appears
> to be that the driver is propagated to the new image; i.e. the disk
> tempalte for the new image doesn't contain a "DRIVER=qcow2" line. The
> resulting libvirt deployment file has "type='raw'" for the disk entry,
> and not the needed "type='qcow2'".
> So I expect this is a bug, and a bit of a showstopper for us. Where
> should I look to fix this?
> Thanks!
> Rob
> --
> Robert E. Parrott, Ph.D. (Phys. '06)
> Director, Academic Computing
> Harvard University Sch. of Eng. and App. Sci.
> Maxwell-Dworkin  211,
> 33 Oxford St.
> Cambridge, MA 02138
> (617)-496-1520
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