*BSD News Article 55658


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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: SCSI geometry on 9GB Seagate
Date: 30 Nov 1995 09:02:01 GMT
Organization: Private BSD site, Dresden
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Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
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David Bixby <bix@otcinc.com> writes:
> I have the same problem with both 2.1 SNAP and new 2.1 releases.

For 2.1R, you can use the ``dangerously dedicated'' option.  Go into
the partition editor of sysinstall, select A)ll FreeBSD, and answer
the next question with N)o.  Don't blame me however if your messy DOS
later installed over this disk doesn't boot :) -- but i don't suspect
the user of a 9 GB disk to install DOS on it...

If you're doing this at installation time, proceed as usual with Q)uit,
and then the label editor.

If you're doing it on a running system, just W)rite the new partition
layout, and then leave sysinstall.  Its label editor is not yet usable
on a live system.  Instead, run disklabel -r -e on the disk.

All this will leave you with a disk that is _entirely_ dedicated to
FreeBSD, from sector 0 to the very last one.  This disk _cannot be
shared_ with other systems, that's why it's not the default.  Since it
boots right off sector 0, you don't need to worry about any geometry
hassles however.  Of course, the root partition (for the /kernel) must
be within the first 1024 virtual cylinders from the BIOS point of view
(e.g. the first Gigabyte for an Adaptec) if you're going to boot off
this drive.

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)