From owner-freebsd-questions@FreeBSD.ORG Mon Jan 28 22:14:17 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 5BF8B761 for ; Mon, 28 Jan 2013 22:14:17 +0000 (UTC) (envelope-from peo@intersonic.se) Received: from neonpark.inter-sonic.com (neonpark.inter-sonic.com [212.247.8.98]) by mx1.freebsd.org (Postfix) with ESMTP id 0DE63A4 for ; Mon, 28 Jan 2013 22:14:16 +0000 (UTC) X-Virus-Scanned: amavisd-new at BSDLabs AB Message-ID: <5106F60E.3060709@intersonic.se> Date: Mon, 28 Jan 2013 23:05:02 +0100 From: Per olof Ljungmark Organization: Intersonic AB User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:16.0) Gecko/20121015 Thunderbird/16.0.1 MIME-Version: 1.0 To: Artem Kuchin Subject: Re: Software raid VS hardware raid References: <5106E301.4070707@itlegion.ru> In-Reply-To: <5106E301.4070707@itlegion.ru> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "freebsd-questions@freebsd.org" 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: Mon, 28 Jan 2013 22:14:17 -0000 On 01/28/13 21:43, Artem Kuchin wrote: > Hello! > > I have to made a decision on choosing a dedicated server. > The problem i see is that while i can find very affordable and good > options they do not > provide hardware raid or even if they do it is not the best hardware for > freebsd. > The server base conf is 8core 32gb ram 2.8+ ghz. > So, maybe someone has personal experience with both worlds and can tell > if it > really matters in such configuration if i go for software raid. What are > the benefits > and what are the negatives of software raid? How much is the performance > penalty? > I am planning to use mirror configuration of two SATA 7200rpm 2TB disks. > Nothing fancy. > File system planned is UFS with journaling. > I won't delve into detail here but if the data is important HW RAID is where you want to be. Perhaps you could give us a little more details about what the purpose of the server is? Mission-critical or low cost? Those two tends to be mutually exclusive... We are HP-only but have good experience from LSI as well. Just my $0.02. //per