From owner-freebsd-scsi@FreeBSD.ORG  Mon Oct 26 02:40:16 2009
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Message-ID: <4AE50853.4000603@langille.org>
Date: Sun, 25 Oct 2009 22:24:19 -0400
From: Dan Langille <dan@langille.org>
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Subject: tape library and a stand-alone tape
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I'm trying to add a tape library to an existing system.  And I've run 
into a problem.  I think it is related to having two tape drives in the 
same system, but I'm not sure.  I *think* the problem is device 
numbering.  e.g. sa0 versus sa1.

What should I be reading to tie a given physical SCSI device to a 
particular /dev/ entry?

If you're curious: http://www.freebsddiary.org/tape-library.php

Thank you.