[libvirt] Support for passing arbitrary qemu/kvm admin console commands?

Richard W.M. Jones rjones at redhat.com
Tue Jun 3 08:06:46 UTC 2008

On Mon, Jun 02, 2008 at 07:47:52PM -0500, Charles Duffy wrote:
> I'm looking at building a framework which makes use of KVM's 
> pseudo-migration support for snapshot management. To my knowledge, this 
> functionality is not presently available through libvirt.
> Is it possible to send arbitrary qemu/kvm admin console commands to a VM 
> started and controlled by libvirt, or does any requirement for funtionality 
> not presently exposed through libvirt conflict with its use?

We'd really like you to send commands via libvirt.

Which commands in particular do you want to send?  I have an
outstanding patch [1] to support KVM migration which just needs much
more testing.  Perhaps it does what you need already?


[1] http://www.redhat.com/archives/libvir-list/2008-May/msg00276.html

Richard Jones, Emerging Technologies, Red Hat  http://et.redhat.com/~rjones
virt-df lists disk usage of guests without needing to install any
software inside the virtual machine.  Supports Linux and Windows.

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