On Apr 24 12:01:15, Nick Guenther wrote:
> On 4/24/07, Alexander Hall <[EMAIL PROTECTED]> wrote:
> >Jan Stary wrote:
> >> Hello list,
> >>
> >> I am trying to share swap between OpenBSD 4.0/i386 and FreeBSD,
> >> on a Dell laptop. I have sliced the disk as
> >>
> >> Disk: wd0 geometry: 41344/15/63 [39070080 Sectors]
> >> Offset: 0 Signature: 0xAA55
> >> Starting Ending LBA Info:
> >> #: id C H S - C H S [ start: size ]
> >> ------------------------------------------------------------------------
> >> 0: A5 0 1 1 - 22191 14 63 [ 63: 20971377 ] FreeBSD
> >> *1: A6 22192 0 1 - 39944 14 63 [ 20971440: 16776585 ] OpenBSD
> >> 2: 82 39945 0 1 - 41053 14 63 [ 37748025: 1048005 ] OpenBSD
> >> 3: 82 41054 0 1 - 41343 14 63 [ 38796030: 274050 ] OpenBSD
> >>
> >> and I try to make both systems use partiton 3 as their swap.
> >>
> >
> >I'm not sure this is really recommended. I *think* that each "slice" gets
> >its own disklabel, and only one disklabel per disk is used. I'd use only
> >one 'OpenBSD' partition.
>
> Nagging point: iirc, the disklabel is written immediately after the
> master boot record. I know for sure there is only one disklabel per
> disk (because you use disklabel as `disklabel $DISK`). This is not the
> same as "each slice gets it's own disklabel"; it's the other way
> around, each slice gets an entry in the disklabel.
>
This is exactly where I got confused, thinking that the disklabel
is 'the disklabel of the fdisk partition 1', and yet it has to talk
about portions of disk laying outside fdisk partition 2.
Thanks
Jan