From owner-freebsd-questions@freebsd.org  Thu Aug 27 11:02:14 2015
Return-Path: <owner-freebsd-questions@freebsd.org>
Delivered-To: freebsd-questions@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id B6A899C2B33
 for <freebsd-questions@mailman.ysv.freebsd.org>;
 Thu, 27 Aug 2015 11:02:14 +0000 (UTC)
 (envelope-from freebsd@edvax.de)
Received: from mx02.qsc.de (mx02.qsc.de [213.148.130.14])
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 7E1191247
 for <freebsd-questions@freebsd.org>; Thu, 27 Aug 2015 11:02:14 +0000 (UTC)
 (envelope-from freebsd@edvax.de)
Received: from r56.edvax.de (port-92-195-38-7.dynamic.qsc.de [92.195.38.7])
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by mx02.qsc.de (Postfix) with ESMTPS id D2C4B27890;
 Thu, 27 Aug 2015 13:02:05 +0200 (CEST)
Received: from r56.edvax.de (localhost [127.0.0.1])
 by r56.edvax.de (8.14.5/8.14.5) with SMTP id t7RB257b005183;
 Thu, 27 Aug 2015 13:02:05 +0200 (CEST)
 (envelope-from freebsd@edvax.de)
Date: Thu, 27 Aug 2015 13:02:05 +0200
From: Polytropon <freebsd@edvax.de>
To: Raimund Sacherer <raimund.sacherer@logitravel.com>
Cc: FreeBSD Questions <freebsd-questions@freebsd.org>
Subject: Re: how to assure that a certain device (e.g. /dev/pass1) always is
 /dev/pass1 on subsequent reboots?
Message-Id: <20150827130205.455b4330.freebsd@edvax.de>
In-Reply-To: <938335435.8523670.1440671907486.JavaMail.zimbra@logitravel.com>
References: <1032086371.8518394.1440671626012.JavaMail.zimbra@logitravel.com>
 <938335435.8523670.1440671907486.JavaMail.zimbra@logitravel.com>
Reply-To: Polytropon <freebsd@edvax.de>
Organization: EDVAX
X-Mailer: Sylpheed 3.1.1 (GTK+ 2.24.5; i386-portbld-freebsd8.2)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions/>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 27 Aug 2015 11:02:14 -0000

On Thu, 27 Aug 2015 12:38:27 +0200 (CEST), Raimund Sacherer wrote:
> Hello, 
> 
> I need to make sure that certain devices always have their
> corresponding device names (like /dev/pass1) assigned. I need
> this for auto changers in our backup server (but not only there). 
> 
> I have vastly more linux knowledge and there you can for
> example create udev rules which rename the device to what you
> need. What is the equivalent way on FreeBSD? Loader hints? 

Yes. The file in question is /boot/device.hints. See
"man 5 device.hints" for details. You should be able
to "hard-wire" the device number with the physical device
characteristica (address, irq and so on).

https://www.freebsd.org/doc/handbook/device-hints.html


-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...