Vojko Kercan wrote:
> Thanks for all your valuable info on this issue.

You're welcome.  :-)

> Since I am now in this position...how do I delete partition 1 and 2?
> What tool should I use?

man fdisk.  Try something like this:

	$ fdisk -u /dev/rwd1a

That will put you in "interactive mode".  Setting the partion type to '0'
sets it as unused.  You'll be prompted before anything is written to the
disk.  

HTH.  

--jkl


> On 07/03/06, James K. Lowden <jklowden@schemamania.org> wrote:
> > Vojko Kercan wrote:
> > > Below is my partition table (partition 0 is wher NetBSD 3.0 is
> > > installed):
> > >
> > > 0: NetBSD (sysid 169)
> > >     start 63, size 188747622 (92162 MB, Cyls 0-11749), Active
> > > 1: NetBSD (sysid 169)
> > >     start 188747685, size 62926605 (30726 MB, Cyls 11749-15666)
> > > 2: NetBSD (sysid 169)
> > >     start 251674290, size 69998670 (34179 MB, Cyls 15666-20023/55/1)
> > > 3: <UNUSED>
> > ...
> > > Judging by above outputs, to mount the remaining partitions (1 and
> > > 2) I should: mount /dev/wd0h and mount /dev/wd0i, yet mount produces
> > > an error "incorrect super block".
> >
> > The problem with the term "partition" is its ambiguity.  Berlin was
> > partitioned for a long time.  Context is everything.
> >
> > http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q69912
> >
> > Keep in mind that the MBR partition table first appeared in MS-DOS 2.0
> > to cope with "big" hard disks i.e., drives larger than the largest
> > filesystem MS-DOS could create.  At the time, that meant 15 MB
> > filesystems on 20MB hard disks.  That would have been around 1984.
> >
> > Owing to its age and ubiquity on "IBM PC-compatible" hardware, lots of
> > operating systems, including NetBSD, have learned to interpret and
> > respect the MBR.  In so doing, they preserve other operating systems'
> > data and permit "dual-booting", etc. Like the Geneva Conventions, it
> > mostly controls what it's supposed to because not conforming is
> > decidedly unneighborly.
> >
> > The NetBSD kernel does not *use* the MBR partition table, though. 
> > NetBSD manages the disk via its disklabel.  Only this and nothing
> > more.
> >
> > Obviously, if you have more than one OS using the disk, it's a good
> > idea if they both have one consistent view of it.  In such a case,
> > you'd want your disklabel partitions and your MBR partitions to share
> > (some) boundaries.  (Basically, all the disklabel partitions lie
> > within the MBR partition assigned to NetBSD.) But you're not trying to
> > do that.
> >
> > Your MBR partition 0 covers the whole disk, which you intend solely
> > for NetBSD.  You should remove partitions 1.and 2 because they overlap
> > sectors with 0.  If anything ever tried to use them, they'd step on
> > your NetBSD system like a bulldozer on a putting green.
> >
> > Then set up your disklabel according to your needs.  You seem to know
> > what you want,so I won't advise you.
> >
> > HTH.
> >
> > --jkl
> >