On 07/20/2010 04:24 PM, Serge Hallyn wrote:
Quoting Daniel P. Berrange (berra...@redhat.com):
On Tue, Jul 20, 2010 at 05:17:43AM -0500, Serge Hallyn wrote:
Hi,
virsh has save/restore to do a one-time save+shutdown. But it
does not expose kvm's savevm/restorevm, which let's me do
incremental snapshots. Is there a specific reason why that
is not exposed in libvirt, or is it just that noone has
implemented it?
This is included in the 'snapshot' APIs / virsh commands as of 0.8.1
libvirt release
Oh, excellent! (Alas, my libvirt 0.8.1 doesn't seem to think that
my qcow2 images can support snapshots, but I"ll have to look into
that some more)
You will need to set the driver type <driver name='qemu' type='qcow2'/>
example:
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' cache='writethrough'/>
<source file='/var/lib/vm/data/images/debian.img'/>
<target dev='vda' bus='virtio'/>
</disk>
Regards,
Jason
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