From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1Rj93m-000588-8t for garchives@archives.gentoo.org; Fri, 06 Jan 2012 12:38:14 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id E657421C08F; Fri, 6 Jan 2012 12:38:00 +0000 (UTC) Received: from mail-ee0-f53.google.com (mail-ee0-f53.google.com [74.125.83.53]) by pigeon.gentoo.org (Postfix) with ESMTP id DE5A021C04A for ; Fri, 6 Jan 2012 12:37:01 +0000 (UTC) Received: by eekd41 with SMTP id d41so1036288eek.40 for ; Fri, 06 Jan 2012 04:37:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=from:to:subject:date:message-id:user-agent:in-reply-to:references :mime-version:content-transfer-encoding:content-type; bh=Paq8F6V5Ohsyh1t4aG70XX37ZrSv4N7CGT0anmB17eo=; b=lYlTutqG2Md/4iH2vLCpYkF8jR/ZHxOmpnUTA3msB4T9jlgbr+/Ao410qMO900KZyI cOx5L1cD1LktSFBz/8ZkZuWtriEPyonmaB9LyyRb89fqsrdZwAMGMPxgNEcrFPghtWIt 3LxOcMS7M28J4zeS/cmXLuwHzKIGB4K/EYxSY= Received: by 10.14.50.145 with SMTP id z17mr2167831eeb.104.1325853421099; Fri, 06 Jan 2012 04:37:01 -0800 (PST) Received: from localhost.localnet (p4FC60E68.dip0.t-ipconnect.de. [79.198.14.104]) by mx.google.com with ESMTPS id 76sm247158124eeh.0.2012.01.06.04.36.58 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 06 Jan 2012 04:36:59 -0800 (PST) From: Volker Armin Hemmann To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] How to get raid Date: Fri, 06 Jan 2012 13:36:55 +0100 Message-ID: <3847798.qPIUxmf7eF@localhost> User-Agent: KMail/4.8 rc2 (Linux/3.0.7; KDE/4.7.97; x86_64; ; ) In-Reply-To: <1325825050.5380.30.camel@laptop.limeyworld> References: <1325645839.4553.13.camel@laptop.limeyworld> <4308091.7xnRLljmXt@localhost> <1325825050.5380.30.camel@laptop.limeyworld> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Archives-Salt: bea616aa-40f1-4bf2-af78-1824487a6531 X-Archives-Hash: e9b89f4589723253e00e4193da53b60f Am Donnerstag, 5. Januar 2012, 23:44:10 schrieb Jeff Cranmer: > On Fri, 2012-01-06 at 02:42 +0100, Volker Armin Hemmann wrote: > > in your case > > > > sfdisk -d /dev/sdb | sfdisk /dev/sdc > > > > of course ;) > > One of the disks had a GPT partition table which I was eventually able > to get rid of with gdisk (emerge -av gptfdisk). > > I'm close. I had a 2.7TiB RAID5 array using genkernal, comprising three > 1.5TB disks, using the commands > mdadm --create /dev/md0 --level=5 > --raid-devices=3 /dev/sdb1 /dev/sdc1 /dev/sdd1 > > mdadm --detail --scan >> /etc/mdadm.conf > > I formatted this array as an xfs filesystem. > > After reboot, however, /dev/md0 is still there, but I get a 'can't read > superblock' error. > > What am I missing? have you set the type to linux raid autodetect? have you tried mdadm --assemble? -- #163933