[Ovirt-devel] how to Increase memory for vm online ?

[Guido Günther]

On Thu, Dec 25, 2008 at 10:42:48PM +0300, pronix pronix wrote:
> I found virtio_balloon.ko
> but can't find how it work.
> 
> 2008/12/25 Perry Myers <pmyers at redhat.com>:
> > �� wrote:
> >>
> >> how to increase RAM on running vm ?
> >
> > As far as I know, kvm doesn't allow memory hotplug.  So in order to give a
> > vm more memory you need to shut the vm down, adjust the memory and then
> > restart.
> >
> > I'm not sure where memory hotplug is on the list of features for kvm,
See the balloon monitor command in recent kvm. This needs to be hooked
into libvirt's qemudDomainSetMemory.
 -- Guido

> > someone on the kvm team can probably comment on that.