From owner-freebsd-current@FreeBSD.ORG  Wed Oct 16 00:05:30 2013
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTP id C5249A0F
 for <freebsd-current@freebsd.org>; Wed, 16 Oct 2013 00:05:30 +0000 (UTC)
 (envelope-from freebsd@allanjude.com)
Received: from mx1.scaleengine.net (beauharnois2.bhs1.scaleengine.net
 [142.4.218.15]) by mx1.freebsd.org (Postfix) with ESMTP id A1A8D21DA
 for <freebsd-current@freebsd.org>; Wed, 16 Oct 2013 00:05:30 +0000 (UTC)
Received: from [10.1.1.1] (S01060001abad1dea.hm.shawcable.net [50.70.108.129])
 (Authenticated sender: allan.jude@scaleengine.com)
 by mx1.scaleengine.net (Postfix) with ESMTPSA id CCD9E3E790
 for <freebsd-current@freebsd.org>; Wed, 16 Oct 2013 00:05:28 +0000 (UTC)
Message-ID: <525DD847.4080209@allanjude.com>
Date: Tue, 15 Oct 2013 20:05:27 -0400
From: Allan Jude <freebsd@allanjude.com>
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64;
 rv:24.0) Gecko/20100101 Thunderbird/24.0.1
MIME-Version: 1.0
To: freebsd-current@freebsd.org
Subject: Re: Please shorten ZFS disk names.
References: <525DC662.6030002@jrv.org> <20131015230747.GT23579@glenbarber.us>
In-Reply-To: <20131015230747.GT23579@glenbarber.us>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
 <freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
 <mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 16 Oct 2013 00:05:30 -0000

On 2013-10-15 19:07, Glen Barber wrote:
> On Tue, Oct 15, 2013 at 05:49:06PM -0500, James R. Van Artsdalen wrote:
>> BLACKIE:/root# uname -a
>> FreeBSD BLACKIE.housenet.jrv 10.0-BETA1 FreeBSD 10.0-BETA1 #0 r256428M:
>> Sun Oct 13 23:46:54 CDT 2013    
>> root@CLANK.housenet.jrv:/usr/obj/usr/src/sys/GENERIC  amd64
>>
>> This pool is on da{0,1,2,3,4,5,6,7} - I think, only da4 is sure
>>
>>     NAME                                                         
>> STATE     READ WRITE CKSUM
>>     z03                                                          
>> ONLINE       0     0     0
>>       raidz2-0                                                   
>> ONLINE       0     0     0
>>         diskid/DISK-%20%20%20%20%20%20%20%20%20%20%20%20Z300HSTK 
>>
>> [...]
>>
>> Based on the hardware config that's either ada0p3 or ada1p3.  Whichever
>> it is I want to mirror it onto the other but I don't the names to use
>> for src and dst.
> You can set kern.geom.label.gptid.enable=0 in loader.conf(5), which will
> use the gptid.
>
> Glen
>
In this case, it is the disk_ident that is being used, not the GPT
label, so you want to set: kern.geom.label.disk_ident.enable=0 in
/boot/loader.conf and then zfs won't see that device alias, and will
show the expected device name

-- 
Allan Jude