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To: obrien@cs.ucdavis.edu (David E. O'Brien)
cc: hackers@freebsd.org
Subject: Re: LUN support. 
In-reply-to: Your message of "Fri, 05 Jan 1996 15:21:57 PST."
             <9601052321.AA20148@toadflax.cs.ucdavis.edu> 
Date: Fri, 05 Jan 1996 23:37:39 -0800
From: "Justin T. Gibbs" <gibbs@freefall.freebsd.org>
Sender: owner-hackers@freebsd.org
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>> 
>> >
>> >
>> >Does FreeBSD have support for LUN's?
>> 
>> Luns are supported in the generic SCSI code, but I believe that
>> some drivers do not fully support LUNs.  If you have a device that
>> requires probing on multiple luns, you will have to add a "rogue"
>> entry in your kernel to force the probe.  Too many devices get
>> confused when you probe beyond LUN0 that it was disabled by
>> default.
>
>For the aha (Adaptec 1542) device, it isn't nessciary to add anything to
>the kernel for probeing of LUN's.  This is how my CDROM changer works,
>with a virgin FreeBSD 2.1.0 install.  Infact this kind of support cost a
>previous employer $750 for each Sun (for the custom driver) we would
>every want to move the CDROM changer to.  ==> Go FreeBSD!
>
>-- David   (obrien@cs.ucdavis.edu)

Your changer must already be in the table in sys/scsi/scsiconf.c.

--
Justin T. Gibbs
===========================================
  FreeBSD: Turning PCs into workstations
===========================================