Actually, not saving state is not a security feature per se*. It is a
consequence of template-based VM design.
The root filesystem of a template-based VM is cloned from the template on
boot. This allows performing updates of many VMs at once by updating just
one TemplateVM. There is however a
Guerlan:
> In KVM with Qemu I used a lot of VM state saving, where I could save the
> entire VM to disk and restore that. Since my SSD is very fast that only
> took 5 seconds in average, so it was very useful. Specially, since I cannot
> put my laptop to sleep and hibernate wont work either, my
