*BSD News Article 90566


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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Tahiti II MO disk
Date: 7 Mar 1997 00:04:47 GMT
Organization: Private BSD site, Dresden
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Neil Long <neil.long@materials.oxford.ac.uk> wrote:

> Could someone help with using a Tahiti II drive on FreeBSD?
> Is it possible? 2.2-GAMMA.

Sure.  The probably simplest way is

	disklabel -Brw od0 auto
	disklabel -e od0

However, since MOs are ``real disks'' and probably have a uniform
geometry, you might get better by actually using this geometry.  This
is best done with an entry for /etc/disktab.

> parameters extracted from in-core disklabel are:
> cylinders=29193 heads=1 sectors/track=31 (31 blks/cyl)

Assuming these values are correct, use:

mo440|440 MB MOD|\
	:ty=removable:dt=SCSI:se#512:nt#1:ns#31:nc#29193:ts#1:rm#4800:\
	:pc#904982:oc#0:\
	:pa#904982:oa#0:ta=4.2BSD:ba#8192:fa#1024:

And then (after labelling), use -u0 -t0 for your newfs command.

-- 
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. ;-)