[pve-devel] introduce linked disks

[Dietmar Maurer]

> some things to check I have in my mind:
> 
> 
> resize:
> if you resize on a vm, the second vm will not see the new size without reboot
> I think (no way to advertise it)
> 
> snapshot rollback:
> Doesn't will break thing if you rollback on a vm, with the second vm running.
> (maybe the second vm will crash or hang ?)
> 
> disk restore : can we restore a disk, if it's running on another vm ? (maybe
> they are some locks on storage)

All those think will be broken by design if you share disks. That is why I don't
really want that on the GUI.