How to create a partition for FreeBSD 9.0?

[Ralf Mardorf]

On Wed, 2012-11-28 at 08:06 +0100, Ralf Mardorf wrote:
> On Tue, 2012-11-27 at 17:04 -0700, Warren Block wrote:
> > > # gpart create -s bsd ada0s1
> > > gpart: geom 'ada0s1': File exists
> > 
> > Sorry, no idea on that.  Because of the extended partitions, maybe.
> 
> Thank you,
> 
> so this should work and if it doesn't work, I can't install FreeBSD?
> 
> Anything else I can try?

I'm downloading PC-BSD 8.2 x64, assumed partitioning should work, will
it be possible to update to FreeBSD 9.x or do they differ, similar as
different Linux distros can differ?

Regards,
Ralf