geom_bsd

[Bernd Walter]

On Mon, Jun 07, 2004 at 11:47:40AM -0400, John Baldwin wrote:
> On Saturday 05 June 2004 10:55 am, Nick Jones wrote:
> > John Baldwin (jhb at FreeBSD.org) wrote:
> > > On Saturday 22 May 2004 12:27 pm, Nick Jones wrote:
> > > > I'm having a problem when loading geom_bsd on an Alpha XPS1000 machine
> > > > and subsequently attempting to access a particular IDE drive, which is
> > > > as follows:
> > >
> > > If you are adding a new label do this:
> > > sudo bsdlabel /dev/ad0 auto
> >
> > Sorry, I just realised how badly worded my original post was.  The drive
> > in question is pulled from an x86 install of FreeBSD and has data on it
> > I'd like to access in this Alpha box, therefore I don't want to do
> > anything destructive.
> >
> > From what I understand this should now be possible thanks to GEOM, but
> > there again I could be wrong.
> 
> Well, GEOM should let you see the devices in /dev.  Note that you will need to 
> add 'GEOM_MBR' to your kernel (either as an option or kldload geom_mbr.ko) so 
> that GEOM will see the MBR that the label lives inside of.  That should give 
> you the /dev/ad0s1a, etc. devices.  However, I'm not sure if you will be able 
> to mount the filesystems due to sizeof(long) differences.  Since the 
> endianness is the same you might be able to, though.

I migrated a disk from i386 to alpha about 3 years ago whithout
problems - it was a DD partioned disk and just required copying the
disklabel into the alpha location.
If theres any FS specific problem then it has to be new.

-- 
B.Walter                   BWCT                http://www.bwct.de
bernd at bwct.de                                  info at bwct.de