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Date:      Fri, 16 Oct 1998 00:17:49 -0400 (EDT)
From:      "Matthew N. Dodd" <winter@jurai.net>
To:        "Kenneth D. Merry" <ken@plutotech.com>
Cc:        scsi@FreeBSD.ORG
Subject:   Re: Strange error
Message-ID:  <Pine.BSF.4.02.9810160011290.17054-100000@sasami.jurai.net>
In-Reply-To: <199810152249.QAA20702@panzer.plutotech.com>

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On Thu, 15 Oct 1998, Kenneth D. Merry wrote:
> What sort of device is this?  A removable disk changer?

A Magneto Optical Jukebox.

da2 at bt0 bus 0 target 0 lun 0
da2: <HP C1716T 3404> Removable Optical SCSI2 device 
da2: 5.0MB/s transfers (5.0MHz, offset 8)
da2: Attempt to query device size failed: NOT READY, Medium not present
ch0 at bt0 bus 0 target 1 lun 0
ch0: <HP C1718C 1.25> Removable Changer SCSI2 device 
ch0: 3.300MB/s transfers
ch0: 16 slots, 1 drive, 1 picker, 1 portal

> > I'll pull this unit and try my spare when I get home.
> 
> Yeah, it may be having hardware trouble of some sort.

No such luck.  Same exact error.

I've got to be doing something wrong but I can't figure out what.

The drive is set to auto-spinup media on a load from the picker.  The unit
passes all onboard self tests as well.

I suspect I need to format the media but that command fails as well.

What other initializing command can I issue the drive other than 'START
UNIT'?

If it would help I have the entire SCSI reference for the drive and the
changer available. (2meg PDF @ 600 odd pages).  My review of this document
has turned up nothing but maybe someone a bit more clued in to the SCSI
system would have better luck.

--
| Matthew N. Dodd  | 78 280Z | 75 164E | 84 245DL | FreeBSD/NetBSD/Sprite/VMS |
| winter@jurai.net |      This Space For Rent     | ix86,sparc,m68k,pmax,vax  |
| http://www.jurai.net/~winter | Are you k-rad elite enough for my webpage?   |


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