From owner-freebsd-questions@FreeBSD.ORG Wed Jan 30 15:04:54 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id DDAD77A for ; Wed, 30 Jan 2013 15:04:54 +0000 (UTC) (envelope-from paul@kraus-haus.org) Received: from mail-ve0-f179.google.com (mail-ve0-f179.google.com [209.85.128.179]) by mx1.freebsd.org (Postfix) with ESMTP id 9E40CF43 for ; Wed, 30 Jan 2013 15:04:54 +0000 (UTC) Received: by mail-ve0-f179.google.com with SMTP id da11so43225veb.10 for ; Wed, 30 Jan 2013 07:04:48 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-received:subject:mime-version:content-type:from:in-reply-to:date :content-transfer-encoding:message-id:references:to:x-mailer :x-gm-message-state; bh=GGDbBnJwvEvTFUVbsOq5L8rwxyh4vNg9D9T/GMpBwDU=; b=SJn6GiqApo+R6Ex1IaXn0kIFoz7Uk7YImXZnIcbcIV8xLjlBQ3qkA+F8toDBD505nt 6ZZLU/PA6rBTLC8c1u77DWm3smKBqHsrh2NU10yDQf1ADisJiNT5VXMo9YqKTucn8Pc7 Zf2q/4Ntx/ROt87ZlptzD7s0SZZXHmDUhFyUv1836al9TnVE4C9TuttEnUxchx0Xx9ME NP2Fm/vY+A7khfwAb1z3H3K+l204c3GURMFQqSvr5/pA9A5x8euAcra9qOZ4l0dGr2Lk Qh/KEJjXdHDogUBpByx0rt9lEpQqh5EwCl6KfEOlO0U42hdAa2zgXhy+ds9nq+CSKX3l BrZA== X-Received: by 10.221.10.5 with SMTP id oy5mr4963946vcb.74.1359557887201; Wed, 30 Jan 2013 06:58:07 -0800 (PST) Received: from mini1.kraus-haus.org ([96.236.21.119]) by mx.google.com with ESMTPS id o6sm1406358vdd.11.2013.01.30.06.58.05 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 30 Jan 2013 06:58:06 -0800 (PST) Subject: Re: Software raid VS hardware raid Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: text/plain; charset=us-ascii From: Paul Kraus In-Reply-To: <51091BB7.6090302@netfence.it> Date: Wed, 30 Jan 2013 09:58:04 -0500 Content-Transfer-Encoding: quoted-printable Message-Id: <0D8A188B-6DD8-4218-9923-92DAAC786AB0@kraus-haus.org> References: <5106E301.4070707@itlegion.ru> <51091BB7.6090302@netfence.it> To: FreeBSD Mailing List X-Mailer: Apple Mail (2.1085) X-Gm-Message-State: ALoCoQlUgtC3ADHinxdt3EBJAWo8RUdbqXPTBQ2+06QbRTRKyuBPUCUaNiWoKKdDS2GC/Z/AnuIe X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Jan 2013 15:04:54 -0000 On Jan 30, 2013, at 8:10 AM, Andrea Venturoli wrote: > You can spend the extra money you spare on the controller buying good = disks; as someone else pointed out don't get "desktop-class" ones, but = "24x7" ones. Server Class drives buy you some improvement, but my recent experience = with Seagate Barracuda ES.2 drives is not that good. I have had 50% of = them fail within the 5-year warranty period. My disks run 24x7 and I use = ZFS under FreeBSD 9 so I have not lost any data. I have: 2 x Seagate ES.2 250 GB (one has failed) 4 x Seagate ES.2 1 TB (two have failed) 2 x Hitachi UltraStar 1 TB (pre-WD acquisition), no failures, but they = are less than 2 years old. They are also noticeably faster than the = Seagate ES.2 I just ordered 2 x WD RE4 500 GB, we'll see how those do I go out of my way to purchase disks with a 5-year warranty, they are = still out there but you have to look for them. -- Paul Kraus Deputy Technical Director, LoneStarCon 3 Sound Coordinator, Schenectady Light Opera Company