[PVE-User] Proxmox VE 2.0 final release: node hostname

[Dietmar Maurer]

> >> PVE configuration IDs may not start with a number.
> > Sorry, mean 'LVM group' names.
> 
> Sorry to bother; any particular reason for this policy?

I guess I should be more elaborate on that.

Those names (LVM group names) are use in the kernel, and with udev, so many other tools gets it touch with those names.
I simply want to be on the safe side, and decided to only allow simple names.

- Dietmar