From owner-freebsd-geom@FreeBSD.ORG Sat Jul 21 13:17:12 2007 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0029D16A418 for ; Sat, 21 Jul 2007 13:17:11 +0000 (UTC) (envelope-from arne_woerner@yahoo.com) Received: from web30309.mail.mud.yahoo.com (web30309.mail.mud.yahoo.com [209.191.69.71]) by mx1.freebsd.org (Postfix) with SMTP id A735813C481 for ; Sat, 21 Jul 2007 13:17:11 +0000 (UTC) (envelope-from arne_woerner@yahoo.com) Received: (qmail 44315 invoked by uid 60001); 21 Jul 2007 13:17:11 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID; b=cn7rdQh/ii57J3HQfmFNR5Mb37IlPOTn96H4UeDE/b8q28cDlg8wod28YfKH9ecZXP0CZyxLkg1GSVVo+yR2TOUGN/p2M41uKMYnRoVoOcq8vMNUkQ0gj94Mf30NjPkSkRUOQ3pAeG6PSEjFsZdCdtz+VbGOQAj+/R+p6PpA6CQ=; X-YMail-OSG: sNGrKukVM1kHWZoR9vOTcD_VnDFbhG0qRyFxNBOUR.0sm_9y6_HEAcKrztJeVEhMWcqgoVXJoJs2BwJl5t6W68k9oeY5GuFPZEs4aBc.UNfvVG22t821Ue3K8k6wtg-- Received: from [84.141.68.195] by web30309.mail.mud.yahoo.com via HTTP; Sat, 21 Jul 2007 06:17:10 PDT Date: Sat, 21 Jul 2007 06:17:10 -0700 (PDT) From: Arne "Wörner" To: Tony Holmes , freebsd-geom@freebsd.org In-Reply-To: <20070721121240.GA45291@crosswinds.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Message-ID: <990910.43461.qm@web30309.mail.mud.yahoo.com> Cc: Subject: Re: Geom striped mirrors questions X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Jul 2007 13:17:12 -0000 --- Tony Holmes wrote: > I am trying to set up a RAID 10 data array using 12 identical 33gb scsi > disks. 2 are being kept for spares > > First I set up a single slice on each disk using: > > fdisk -I -1 /dev/da{0,1,2,3,4,5,6,7,8,9,10,11,12,13} > What is this good for? > Jul 21 08:06:57 db kernel: GEOM_STRIPE: Disk mirror/dm0 attached to ds0. > Jul 21 08:06:57 db kernel: GEOM_STRIPE: Cannot add disk mirror/dm0c to ds0 > (error=17). > Jul 21 08:06:57 db kernel: GEOM_STRIPE: Disk mirror/dm1 attached to ds0. > I would interpret this as follows: gstripe takes dm0 and dm1 into its ds0... When it sniffed at dm0c it saw, that it has the same meta data as dm0, which results in error number (errno) 17 (EEXISTS /usr/include/errno.h)... Resolution: You should delete the fdisk meta data in the beginning (first 63 sectors) of each disk for "cosmetic" reasons, because: 1. It is not used... 2. It creates unnecessary warnings... :) -Arne ____________________________________________________________________________________ Be a better Globetrotter. Get better travel answers from someone who knows. Yahoo! Answers - Check it out. http://answers.yahoo.com/dir/?link=list&sid=396545469