From owner-freebsd-performance@FreeBSD.ORG Fri Dec 29 14:02:19 2006 Return-Path: X-Original-To: freebsd-performance@FreeBSD.org Delivered-To: freebsd-performance@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 3F45916A407 for ; Fri, 29 Dec 2006 14:02:19 +0000 (UTC) (envelope-from arne_woerner@yahoo.com) Received: from web30313.mail.mud.yahoo.com (web30313.mail.mud.yahoo.com [209.191.69.75]) by mx1.freebsd.org (Postfix) with SMTP id E0A4813C44C for ; Fri, 29 Dec 2006 14:02:18 +0000 (UTC) (envelope-from arne_woerner@yahoo.com) Received: (qmail 76993 invoked by uid 60001); 29 Dec 2006 13:35:37 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID; b=wMvU3oO1rEEubHKvGR193lnKPa1x7v2eUZ5+Vv3dG71JNV8LsRgSP+fjuYoag7vBNQMfUSLvfRHtLp9q31EdiJMNe7FNv+VYf9ISHf/+goue3WI9+aDJ8+6YLcEU5slhzu2dMsJ78wi0RaMlLj1rpEFmE6x1YfF0QCkNEnUzdkc=; X-YMail-OSG: bap25K4VM1kIUjxQU7W0MMUMaRRxYxG8lkhe.E6d03AisMAg2S3T6nryfJbOrc4q8s879PmR3bCdeQb3xIEg3YLqcWAZYemKbgGMBfsjAWLEHFhYQfip8Y25IhmUfjicPU2RgrQk24Dev5k- Received: from [85.212.8.201] by web30313.mail.mud.yahoo.com via HTTP; Fri, 29 Dec 2006 05:35:37 PST Date: Fri, 29 Dec 2006 05:35:37 -0800 (PST) From: "R. B. Riddick" To: Benjamin D Adams , freebsd-performance@FreeBSD.org In-Reply-To: <1167368499.641.3.camel@tard.freebsdworld.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Message-ID: <497895.75266.qm@web30313.mail.mud.yahoo.com> Cc: Subject: Re: Best RAID setup X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Dec 2006 14:02:19 -0000 --- Benjamin D Adams wrote: > I have three SATA drives (750 GB Barracuda 7200) I'm trying to > figureout the best raid configuration for this. > I'm looking for great preformance but I also want to so if one of the > drives dies. I can remove it and the other two will work fine. Then > when I buy a new drive I can just add it to the RAID setup and it will > work again like nothing happen. > Sounds like u want to try graid3 (without gcache, since u just have 3 disks), which can only use [2^n +1]-disks (3, 5, 9, ...), and which introduces a higher sector size (1024 (3 disks), 2048, 4096, ...), or the more experimental graid5 ( http://home.tiscali.de/cmdr_faako/geom_raid5.tbz ), which might handle some special cases more gracefully, and which serves me well since months (no real stress on my box - just a PVR with max. 2 input channels of each about 500KB/sec; if u need install instructions, give me a note). -Arne __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com