[Openstack-operators] Live-migration with nova

Công Nguyễn ntcong.it at gmail.com
Tue Jun 28 03:08:34 UTC 2011

So that in oder to do live-migration, in addition to glance/swift setup, I
must setup another shared drive ? Seem to be compilcated because I wanna to
manage and store all image in glance/swift.
And btw, with glance/swift, when a VM running it run the VM image directly
in glance/swift, or it fetch the VM image from swift to its local driver

On Tue, Jun 28, 2011 at 09:45, Ken Pepple <ken.pepple at gmail.com> wrote:

> On Jun 27, 2011, at 9:00 PM,
> openstack-operators-request at lists.openstack.org wrote:
> > Is live-migration support in other hypervisor (Xen, XenServer).
> > I'm thinking about using glance as image service, and swift as backend
> store
> > for glance, is it possible to do live-migration with this setup.
> > And last question, is KVM the default and the target hypervisor of
> > openstack, many openstack document suggest using KVM, I'm thinking about
> > choosing KVM or Xen for our infrastructure.
> On the Live Migration support: only KVM is supported at the current time
> AFAIK. To do live migration with KVM, you'll need a shared drive (so that
> each compute host can access the image), which would be separate from the
> glance/swift setup (it needs to be NFS share or something like that).
> On the KVM default: KVM is not the default but it is probably the easiest
> to get up and running. Most people seem to use Xen/XCP/XenSource or KVM
> (although OpenStack supports many more …)
> /k
> ---
> Ken Pepple
> ken.pepple at gmail.com
> http://ken.pepple.info/
> @ken_pepple
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