From owner-freebsd-fs@FreeBSD.ORG  Mon Apr 13 05:22:01 2009
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
Delivered-To: freebsd-fs@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 279511065672
	for <freebsd-fs@freebsd.org>; Mon, 13 Apr 2009 05:22:01 +0000 (UTC)
	(envelope-from chris@young-alumni.com)
Received: from mail.oldschoolpunx.net (cpe-66-68-98-234.austin.res.rr.com
	[66.68.98.234]) by mx1.freebsd.org (Postfix) with ESMTP id F381E8FC15
	for <freebsd-fs@freebsd.org>; Mon, 13 Apr 2009 05:22:00 +0000 (UTC)
	(envelope-from chris@young-alumni.com)
Received: by mail.oldschoolpunx.net (Postfix, from userid 58)
	id 1A70E8D0E5; Mon, 13 Apr 2009 00:22:00 -0500 (CDT)
Received: from [192.168.8.100] (unknown [192.168.8.100])
	by mail.oldschoolpunx.net (Postfix) with ESMTPSA id 6C0A98D0CB
	for <freebsd-fs@freebsd.org>; Mon, 13 Apr 2009 00:18:06 -0500 (CDT)
Resent-To: freebsd-fs@freebsd.org
From: Chris Ruiz <chris@young-alumni.com>
To: Tobias C. Berner <tcberner@gmail.com>
In-Reply-To: <op.usavwhqoa4qlja@sam.firefly>
Resent-From: Chris Ruiz <chris@young-alumni.com>
References: <op.usavwhqoa4qlja@sam.firefly>
Message-Id: <C1745031-6EDD-46B5-A4C4-18BFB8DE9201@young-alumni.com>
Content-Type: text/plain; charset=US-ASCII; format=flowed
Content-Transfer-Encoding: 7bit
Resent-Date: Mon, 13 Apr 2009 00:18:06 -0500
Mime-Version: 1.0 (Apple Message framework v930.3)
Date: Mon, 13 Apr 2009 00:17:43 -0500
X-Mailer: Apple Mail (2.930.3)
Resent-Message-Id: <20090413051806.6C0A98D0CB@mail.oldschoolpunx.net>
Cc: 
Subject: Re: zfs and moving devices
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs>
List-Post: <mailto:freebsd-fs@freebsd.org>
List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 13 Apr 2009 05:22:01 -0000


On Apr 12, 2009, at 8:03 PM, Tobias C. Berner wrote:

> Hi
>
> I have a zfs pool
>
> 	NAME        STATE     READ WRITE CKSUM
> 	multimedia  ONLINE       0     0     0
> 	  ad8       ONLINE       0     0     0
> 	  ad10      ONLINE       0     0     0
> 	  ad12      ONLINE       0     0     0
> 	  ad14      ONLINE       0     0     0
>
> Now, I need more sata-connecters. If I activate
> an other onboard-controller, the device names
> move:
>
>  ad8  -> ad14
>  ad10 -> ad16
>  ad12 -> ad18
>  ad14 -> ad20
>
>
> What is the proper way to handle this in zfs?

ZFS should just find the pool even though the device names have changed.

Chris