[PVE-User] Backup process starts VM??

[Dietmar Maurer]

> > Could someone with insight into the backup process explain why kvm is
> > started?
> 
> It uses the qemu copy-on-write feature to make sure the state is consistent.
> You can immediately work with that VM, while qemu make sure that everything
> is consistent.

In your case (you stopped the VM before backup) only the KVM process 
gets started, but not the VM! 

Note: The KVM process does the backup.

Hope this is more clear now.