From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id D2AA71381F3 for ; Fri, 20 Sep 2013 11:18:18 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id D55BCE0830; Fri, 20 Sep 2013 11:18:05 +0000 (UTC) Received: from homiemail-a52.g.dreamhost.com (caibbdcaaaaf.dreamhost.com [208.113.200.5]) by pigeon.gentoo.org (Postfix) with ESMTP id 497B7E0AE6 for ; Fri, 20 Sep 2013 11:18:04 +0000 (UTC) Received: from homiemail-a52.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a52.g.dreamhost.com (Postfix) with ESMTP id 9E75E6B826E for ; Fri, 20 Sep 2013 04:18:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=libertytrek.org; h= message-id:date:from:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; s= libertytrek.org; bh=G6RLE2zKVRuRj8JHwKlUZZD/Eiw=; b=urV4u1CINCUI pMajrAjFW8nYr3XXSbsfeYXmTfc8tJs3YJg/W6P3kmL79MxeXJEo0cB4gDM9CzTG Ur8r188JD0QXncdBdD7WhId2vIuOGQV5a+l0V7BpcJAIHhwmIrUpvqkqFJPBrRAl FLsY4hr9D6TNhOCyBaBlVANnemRreG0= Received: from [127.0.0.1] (unknown [159.63.145.2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: tanstaafl@libertytrek.org) by homiemail-a52.g.dreamhost.com (Postfix) with ESMTPSA id 6DD606B8269 for ; Fri, 20 Sep 2013 04:18:03 -0700 (PDT) Message-ID: <523C2ED2.50409@libertytrek.org> Date: Fri, 20 Sep 2013 07:17:38 -0400 From: Tanstaafl User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130620 Thunderbird/17.0.7 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 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] ZFS References: <52382CA4.6090407@libertytrek.org> <523872B7.5040302@orlitzky.com> <523877D3.9020109@libertytrek.org> <5238848D.6050703@orlitzky.com> <52388A9E.2050709@libertytrek.org> <52388C4E.5010804@orlitzky.com> <523892C3.8090605@libertytrek.org> <52389754.60700@xunil.at> <523c12a8.5ro3UUX/6Xl/uBw6%Joerg.Schilling@fokus.fraunhofer.de> In-Reply-To: <523c12a8.5ro3UUX/6Xl/uBw6%Joerg.Schilling@fokus.fraunhofer.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Archives-Salt: e4f4fa23-b4c1-4d0f-a8bc-f9d385ed2796 X-Archives-Hash: b2a71f4439a4d59b214dfbd4de75bdef On 2013-09-20 5:17 AM, Joerg Schilling wrote: > Douglas J Hunley wrote: > >> 1TB drives are right on the border of switching from RAIDZ to RAIDZ2. >> You'll see people argue for both sides at this size, but the 'saner >> default' would be to use RAIDZ2. You're going to lose storage space, but >> gain an extra parity drive (think RAID6). Consumer grade hard drives are >> /going/ to fail during a resilver (Murphy's Law) and that extra parity >> drive is going to save your bacon. > > The main advantage of RAIDZ2 is that you can remove one disk and the RAID is > still operative. Now you put in a bigger disk..... repeat until you replaced > all disks and you did grow your storage. Interesting, thanks... :)