From owner-freebsd-fs Tue Jan 21 11:28:48 2003 Delivered-To: freebsd-fs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5868E37B401 for ; Tue, 21 Jan 2003 11:28:47 -0800 (PST) Received: from 66-162-33-178.gen.twtelecom.net (66-162-33-181.gen.twtelecom.net [66.162.33.181]) by mx1.FreeBSD.org (Postfix) with ESMTP id DC9A943E4A for ; Tue, 21 Jan 2003 11:28:46 -0800 (PST) (envelope-from jeff@expertcity.com) Received: from [10.4.1.134] (helo=expertcity.com) by 66-162-33-178.gen.twtelecom.net with esmtp (Exim 3.22 #4) id 18b44k-0003wf-00; Tue, 21 Jan 2003 11:28:46 -0800 Message-ID: <3E2D9F6C.7050600@expertcity.com> Date: Tue, 21 Jan 2003 11:28:44 -0800 From: Jeff Behl User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.3a) Gecko/20021212 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Dag-Erling Smorgrav Cc: fs@FreeBSD.ORG Subject: Re: RAID alternatives References: <20030121102517.B10617@Odin.AC.HMC.Edu> In-Reply-To: <20030121102517.B10617@Odin.AC.HMC.Edu> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org We've been using a 3ware 7500 for months in a raid5 configuration; works great... Brooks Davis wrote: > On Tue, Jan 21, 2003 at 04:15:06PM +0100, Dag-Erling Smorgrav wrote: > >> - Hardware RAID (more expensive, but less hassle and possibly higher >> performance). The problem here is that IDE RAID controllers don't >> seem to support RAID 4 or 5; they only support RAID 0, which is >> pointless on its own; RAID 1, which is horribly wasteful; and JBOD, >> which is just a fancy name for disk concatenation, and is even more >> pointless than RAID 0. The exception seems to be the 3ware 7500 >> series - which FreeBSD doesn't seem to support. I'd be happy to be >> contradicted :) > > > FreeBSD definatly support the 3ware 7000 series and I'm fairly sure it > support the newer ones as well. 3Ware seems to have done the right > thing and maintained the API and device IDs across revs so the driver > doesn't need changes. > > -- Brooks > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message