From owner-freebsd-database@FreeBSD.ORG Tue Aug 23 14:41:31 2005 Return-Path: X-Original-To: freebsd-database@freebsd.org Delivered-To: freebsd-database@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6335916A41F; Tue, 23 Aug 2005 14:41:31 +0000 (GMT) (envelope-from decibel@decibel.org) Received: from flake.decibel.org (flake.decibel.org [67.100.216.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0276F43D45; Tue, 23 Aug 2005 14:41:30 +0000 (GMT) (envelope-from decibel@decibel.org) Received: by flake.decibel.org (Postfix, from userid 1001) id 37C471529B; Tue, 23 Aug 2005 09:41:30 -0500 (CDT) Date: Tue, 23 Aug 2005 09:41:30 -0500 From: "Jim C. Nasby" To: Uzi Klein Message-ID: <20050823144129.GE43820@decibel.org> References: <040f01c5a4b9$f5d2dff0$0700a8c0@uzi> <6863f0c905081906061290c642@mail.gmail.com> <43088442.7000704@bmby.com> <20050823011954.GM17203@decibel.org> <430AD329.4090601@bmby.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <430AD329.4090601@bmby.com> X-Operating-System: FreeBSD 4.11-RELEASE-p10 i386 X-Distributed: Join the Effort! http://www.distributed.net User-Agent: Mutt/1.5.9i Cc: freebsd-database@freebsd.org, jmc , freebsd-hardware@freebsd.org Subject: Re: FreeBSD hardware solution for a database server X-BeenThere: freebsd-database@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Database use and development under FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Aug 2005 14:41:31 -0000 On Tue, Aug 23, 2005 at 09:41:29AM +0200, Uzi Klein wrote: > Jim C. Nasby wrote: > >On Sun, Aug 21, 2005 at 03:40:18PM +0200, Uzi Klein wrote: > > > >>2 mirrored drives mounted as / > >>3 RAID 5 drives mounted as /var > > > > > >RAID5 pretty much sucks for databases that do anything more than 1-5% > >writes. > > would you suggest RAID 0+1 instead? I'd suggest whichever one is a stripe of mirrors (you don't want a mirror of 2 stripe sets). -- Jim C. Nasby, Database Architect decibel@decibel.org Give your computer some brain candy! www.distributed.net Team #1828 Windows: "Where do you want to go today?" Linux: "Where do you want to go tomorrow?" FreeBSD: "Are you guys coming, or what?"