From owner-freebsd-questions@FreeBSD.ORG Sun Oct 23 17:28:15 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 358FA106564A for ; Sun, 23 Oct 2011 17:28:15 +0000 (UTC) (envelope-from freebsd@optiksecurite.com) Received: from relais.videotron.ca (relais.videotron.ca [24.201.245.36]) by mx1.freebsd.org (Postfix) with ESMTP id 1203B8FC0C for ; Sun, 23 Oct 2011 17:28:14 +0000 (UTC) MIME-version: 1.0 Content-transfer-encoding: 8BIT Content-type: text/plain; charset=ISO-8859-1; format=flowed Received: from [31.33.7.148] ([69.70.93.206]) by VL-VM-MR003.ip.videotron.ca (Oracle Communications Messaging Exchange Server 7u4-22.01 64bit (built Apr 21 2011)) with ESMTP id <0LTJ00ICB1PCTA80@VL-VM-MR003.ip.videotron.ca> for freebsd-questions@freebsd.org; Sun, 23 Oct 2011 12:27:13 -0400 (EDT) Message-id: <4EA44085.6060203@optiksecurite.com> Date: Sun, 23 Oct 2011 12:27:49 -0400 From: =?ISO-8859-1?Q?FreeBSD_Optik_S=E9curit=E9?= User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 To: Daryl Sayers References: In-reply-to: Cc: freebsd-questions@freebsd.org Subject: Re: ZFS and glabels when export/importing X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 23 Oct 2011 17:28:15 -0000 Le 2011-10-18 21:57, Daryl Sayers a écrit : > Had a prblem when I needed to export a zpool and import again. The pool used > glabels for each device but after the import the pool is now using the raw > devices names. > > > sandbox# zpool create -f tank3 raidz1 /dev/label/012 /dev/label/066 label/040 label/064 > sandbox# zpool status > pool: tank3 > state: ONLINE > scan: none requested > config: > > NAME STATE READ WRITE CKSUM > tank3 ONLINE 0 0 0 > raidz1-0 ONLINE 0 0 0 > label/012 ONLINE 0 0 0 > label/066 ONLINE 0 0 0 > label/040 ONLINE 0 0 0 > label/064 ONLINE 0 0 0 > > sandbox# glabel list | grep Name > 1. Name: label/012 > 1. Name: ada0 > 1. Name: label/066 > 1. Name: ada1 > 1. Name: label/040 > 1. Name: ada2 > 1. Name: label/064 > 1. Name: ada3 > > sandbox# zpool export tank3 > sandbox# glabel list | grep Name > 1. Name: label/012 > 1. Name: ada0 > 1. Name: label/066 > 1. Name: ada1 > 1. Name: label/040 > 1. Name: ada2 > 1. Name: label/064 > 1. Name: ada3 > sandbox# zpool import tank3 > sandbox# glabel list > sandbox# zpool status > pool: tank3 > state: ONLINE > scan: none requested > config: > > NAME STATE READ WRITE CKSUM > tank3 ONLINE 0 0 0 > raidz1-0 ONLINE 0 0 0 > ada0 ONLINE 0 0 0 > ada1 ONLINE 0 0 0 > ada2 ONLINE 0 0 0 > ada3 ONLINE 0 0 0 > > ------------------------------------------------------------------ > The only way I could get zfs to use the glabels without destroying the pool > was to install a new drive, glabel it and then replace that with the first > drive, then do the same for each drive. > > sandbox# zpool replace -f tank3 /dev/ada0 label/014 > ... wait for completion > sandbox# zpool replace -f tank3 /dev/ada1 label/012 > ... wait for completion > > Note that I did not need to glabel any drive (except the newly installed > spare) so the label was still intact on each drive. > > So, How do I do an export and import and still keep the glabels that the > original pool was created with. > Hi! I just tried it and had no problem on 9.0-BETA3 AMD64. The labels were still intact and used by ZFS after the import. Which FreeBSD version are you using? Martin