From owner-freebsd-stable@FreeBSD.ORG Wed Jul 9 10:59:38 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CEFA1106568B for ; Wed, 9 Jul 2008 10:59:38 +0000 (UTC) (envelope-from 000.fbsd@quip.cz) Received: from elsa.codelab.cz (elsa.codelab.cz [91.103.162.4]) by mx1.freebsd.org (Postfix) with ESMTP id 906FB8FC17 for ; Wed, 9 Jul 2008 10:59:38 +0000 (UTC) (envelope-from 000.fbsd@quip.cz) Received: from localhost (localhost.codelab.cz [127.0.0.1]) by elsa.codelab.cz (Postfix) with ESMTP id 6C9EA19E023; Wed, 9 Jul 2008 12:59:37 +0200 (CEST) Received: from [192.168.1.2] (r5bb235.net.upc.cz [86.49.61.235]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by elsa.codelab.cz (Postfix) with ESMTPSA id 4531F19E019; Wed, 9 Jul 2008 12:59:32 +0200 (CEST) Message-ID: <48749A2C.4070805@quip.cz> Date: Wed, 09 Jul 2008 12:59:56 +0200 From: Miroslav Lachman <000.fbsd@quip.cz> User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.12) Gecko/20050915 X-Accept-Language: cz, cs, en, en-us MIME-Version: 1.0 To: matheus@eternamente.info References: <2c7aa7cb6f8acbc18993b802bb3a5016.squirrel@cygnus> In-Reply-To: <2c7aa7cb6f8acbc18993b802bb3a5016.squirrel@cygnus> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org Subject: Re: disk questions: geom and zfs X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Jul 2008 10:59:38 -0000 matheus@eternamente.info wrote: > hail, > > I have a 7-stable: > > [matheus@xxx /usr/home/matheus]$ uname -a > FreeBSD xxx 7.0-STABLE FreeBSD 7.0-STABLE #2: Sun Jul 6 15:03:26 BRT 2008 > root@lamneth:/usr/obj/usr/src/sys/xxx_7 i386 > > and there exists three geom things. > > gconcat status > Name Status Components > concat/concat0 UP ad4 > ad5 > gmirror status > Name Status Components > mirror/mirror0 COMPLETE ad8s1 > ad10s1 > gstripe status > Name Status Components > stripe/stripe0 UP ad8s2 > ad10s2 > > and a small (100GB) zfs pool. > > the thing is, if I take all these disks to a 6.3R-p2 system, will I get in > trouble ? what if this 6.3R becomes 7-stable also, will this trouble > disappear ? There is incompatible change in gmirror metadata format and 6.x will not recognize gmirrors created or even booted with 7.x kernel. Miroslav Lachman