[libvirt-users] [libvirt] libvirt external disk-only snapshot will pause the VM?

[Yuanzhen Gu]

Thanks very much Eric!  This is exactly what I guessed, I just wondering
where I could find this piece of code and control the the pause time of
guest, while the snapshot being taken?  thanks !

Best,
Yuanzhen


On Tue, Aug 5, 2014 at 6:30 PM, Eric Blake <eblake at redhat.com> wrote:

> On 08/05/2014 03:54 PM, Yuanzhen Gu wrote:
> > Hello folks,
> >
> > If I give command to take external disk-only live snapshot, such as
> > # virsh snapshot-create-as vm1 snapshot_vm1 --disk-only
> >
> > will the guest OS be paused or suspend while the snapshot being taken?
>
> The guest will temporarily pause, but the time that it remains paused
> will be a fraction of a second.  In practice, it is no longer than the
> time that the guest is paused when doing live migration.
>
> --
> Eric Blake   eblake redhat com    +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
>
>
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