update to 8.0-RELEASE --> partition gone

[sthaug at nethelp.no]

> > > If you installed "dangerously dedicated" and ended up
> > > with ad0s1a (note the "s1"), then you have an invalid
> > > partitioning and FreeBSD 8.x will not give you what
> > > you've been getting on FreeBSD 7.x. Most of the time
> > > you only need to wipe out the second sector on the
> > > disk to clean it up and have FreeBSD 8.x also give
> > > you ad0s1a.
> > 
> > So what's an easy recipe we can run on 7.x hosts to see whether we
> > would have problems with 8.x?
> 
> >>From what's been said so far: If you have adXsY devices in 7, *and* 
> 
>     bsdlabel adX
> 
> finds a valid label (*note*: that is the whole disk, not the slice),
> then you have conflicting BSD and MBR labels at the start of the disk
> and you will have a problem in 8.

So presumably if I have root on ad4s1a today, and bsdlabel shows

# bsdlabel ad4
bsdlabel: /dev/ad4: no valid label found

then I am ready for FreeBSD 8.x?

Steinar Haug, Nethelp consulting, sthaug at nethelp.no