From owner-freebsd-questions@FreeBSD.ORG Wed Jan 30 15:19:16 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 3DED125A for ; Wed, 30 Jan 2013 15:19:16 +0000 (UTC) (envelope-from matrix@itlegion.ru) Received: from corpmail.itlegion.ru (corpmail.itlegion.ru [84.21.226.211]) by mx1.freebsd.org (Postfix) with SMTP id 45A71FBF for ; Wed, 30 Jan 2013 15:19:14 +0000 (UTC) Received: (qmail 22253 invoked from network); 30 Jan 2013 19:19:13 +0400 Received: from localhost-artem.itlegion.ru (HELO ?192.168.0.12?) (192.168.0.12) by 84.21.226.211 with SMTP; 30 Jan 2013 19:19:13 +0400 Message-ID: <510939D0.1030906@itlegion.ru> Date: Wed, 30 Jan 2013 19:18:40 +0400 From: Artem Kuchin Organization: IT Legion User-Agent: Mozilla/5.0 (Windows NT 6.0; rv:17.0) Gecko/20130107 Thunderbird/17.0.2 MIME-Version: 1.0 CC: freebsd-questions@freebsd.org Subject: Re: Software raid VS hardware raid References: <5106E301.4070707@itlegion.ru> <5107A500.4030902@itlegion.ru> <5107FC3C.4030701@itlegion.ru> <51090721.2010606@itlegion.ru> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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 15:19:16 -0000 There seems to be one more advantage to gmirror If i understood correctly gmirror label -v -b split -s 2048 data da0 da1 da2 will create a tripple mirror raid 1, that is triple redundancy, which is hardly available on any hardware raid. Am i correct here? Also, does anyone know how to choose split threshold (-s 2048) correctly ? Artem