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Date:      Sun, 05 Jul 1998 21:59:16 -0400
From:      Drew Derbyshire <software@kew.com>
To:        Doug White <dwhite@resnet.uoregon.edu>
Cc:        questions@FreeBSD.ORG
Subject:   Re: ZIP disks and kernel errors
Message-ID:  <35A02F74.308B1C84@kew.com>
References:  <Pine.BSF.3.96.980705005303.11562L-100000@resnet.uoregon.edu>

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Doug White wrote:
> 
> On Sat, 4 Jul 1998, Drew Derbyshire wrote:
> 
> > I'm trying to initialize a new pile of zip disks; the ZIP drive is the only
> > SCSI device on a 1542 under FreeBSD 2.2.6:
> >
> > Jul  4 12:31:07 pandora /kernel: aha0 waiting for scsi devices to settle
> > Jul  4 12:31:07 pandora /kernel: (aha0:5:0): "IOMEGA ZIP 100 N*32" type 0
> > removable SCSI 2
> > Jul  4 12:31:07 pandora /kernel: sd0(aha0:5:0): Direct-Access
> > Jul  4 12:31:07 pandora /kernel: sd0(aha0:5:0): ILLEGAL REQUEST asc:24,0
> > Invalid field in CDB
> > Jul  4 12:31:08 pandora /kernel: sd0 could not mode sense (4). Using
> > ficticious geometry
> > Jul  4 12:31:08 pandora /kernel: 96MB (196608 512 byte sectors)
> >
> > I have run fdisk on the disk with the following results:
> >
> > Information from DOS bootblock is:
> > 1: <UNUSED>
> > 2: <UNUSED>
> > 3: <UNUSED>
> > 4: sysid 165,(FreeBSD/NetBSD/386BSD)
> >     start 32, size 196576 (95 Meg), flag 0
> >         beg: cyl 0/ sector 1/ head 1;
> >         end: cyl 95/ sector 32/ head 63
> 
> Any reason you need an fdisk table?

The usual reasons for not creating a dangerously dedicated disk, in particular
insuring that MS operating systems understand that the disk has a valid format
even if they can't read it.  In addition, the quoted post by Justin Gibbs
specifically took this method.  (See
http://www.freebsd.org/cgi/getmsg.cgi?fetch=321222+323525+/usr/local/www/db/text/1995/freebsd-questions/19950820.freebsd-questions).

> Take a look at http://www.freebsd.org/tutorials/diskformat for one method
> that works.

My general requirement is the ability to label this disk from the command
line; the suggested tutorial doesn't seem to allow this, given the errors I am
seeing (whcih you deleted in your response).


-- 
Drew Derbyshire         UUPC/extended e-mail:  software@kew.com
                                   Telephone:  617-279-9812

"A little voice inside my head said don't look back,
 You can never look back . . ."                 - Don Henley

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