Can partitions span more than one drive?

[Ruben de Groot]

On Wed, Aug 26, 2009 at 04:56:03PM +0300, Nikos Vassiliadis typed:
> RW wrote:
> >On Wed, 26 Aug 2009 08:45:47 -0400
> >John Almberg <jalmberg at identry.com> wrote:
> >
> >
> >>Question: is it possible to just expand my existing /backup
> >>partition to encompass both the current drive and the new drive? I'm
> >>guessing not, since Chapter 8 in "Absolute FreeBSD" says that a
> >>partition is part of a slice, 
> >
> >You can join 2 partitions into 1 with gconcat. OTOH that would wipe any
> >existing data as you would need to put a new filesystem on the combined
> >partition.
> 
> No, you can always use growfs to expand the filesystem.
> But of course, the usual warnings apply, read carefully the
> growfs manual...

You can not use growfs to expand a gconcat provider to the new gconcat device.

Ruben