From owner-freebsd-scsi  Sat Jul 27 15:54:38 1996
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From: Greg Lehey <grog>
Message-Id: <199607272254.PAA09991@freefall.freebsd.org>
Subject: Re: Setting disk sector size?
To: joerg_wunsch@uriah.heep.sax.de
Date: Sat, 27 Jul 1996 15:54:37 -0700 (PDT)
Cc: scsi
In-Reply-To: <199607272120.XAA02494@uriah.heep.sax.de> from "J Wunsch" at Jul 27, 96 11:20:19 pm
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> 
> As I wrote:
> 
> > As Greg Lehey wrote:
> > 
> > >   Unfortunately, 'scsi -f
> > > /dev/rsd0.ctl -m 3 -P 3 -e' gives me a blank file to edit.
> > 
> > Bad luck then.  This means there are no editable fields at all on this
> > mode page.  (scsi -e only offers you those fields that are marked as
> > writable by the device.)
> 
> Thinking more about it, and reading in the specs, this sounds logical.
> You _might_ however be able to modify the current setting of the
> physical block size, but in order to get the new block size in effect,
> you have to reformat.  (The SCSI-2 specs explicitly allow this, and it
> seems to be useful.)

Yes, I have no doubt that I'll need to reformat.  That's not the
problem, I just want to know how to set the block size first.

Greg