From owner-freebsd-stable@FreeBSD.ORG Fri Nov 4 02:16:18 2005 Return-Path: X-Original-To: stable@freebsd.org Delivered-To: freebsd-stable@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3170E16A41F for ; Fri, 4 Nov 2005 02:16:18 +0000 (GMT) (envelope-from michaelmeltzer@yahoo.com) Received: from web30104.mail.mud.yahoo.com (web30104.mail.mud.yahoo.com [68.142.200.77]) by mx1.FreeBSD.org (Postfix) with SMTP id C43C943D45 for ; Fri, 4 Nov 2005 02:16:17 +0000 (GMT) (envelope-from michaelmeltzer@yahoo.com) Received: (qmail 73890 invoked by uid 60001); 4 Nov 2005 02:16:17 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Reply-To:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=DFt0gqfgS6dSVeipahW80yEJOb3DuIdDnpfwjyuzZItObet7pJJW6Em0qHi34eZ0+TWYY7vkb4fI02PmRbiTyOlRBuAm44cHLusXW/rc2FbyEkFoutGsaM7qDE4LIbsowfGBg70J16reawQFZ+rIf8jR/6+geqWYE/mHpJ/wNxw= ; Message-ID: <20051104021617.73888.qmail@web30104.mail.mud.yahoo.com> Received: from [67.86.102.200] by web30104.mail.mud.yahoo.com via HTTP; Thu, 03 Nov 2005 18:16:17 PST Date: Thu, 3 Nov 2005 18:16:17 -0800 (PST) From: michael meltzer To: francisco@natserv.net, Chuck Swiger In-Reply-To: <20051103143332.B60864@zoraida.natserv.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Cc: stable@freebsd.org Subject: Re: Disk 100% busy X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: mjm@michaelmeltzer.com List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Nov 2005 02:16:18 -0000 --- Francisco Reyes wrote: > On Thu, 3 Nov 2005, Chuck Swiger wrote: > > > If you're using maildir, that is one of the > situations which works pretty > > well with RAID-5, although RAID-10 is also > (always? :-) a good choice. > > How about for database? In particular postgresql. > How bad would RAID 5 be for it? > > I still have some, limited, hopes I can convince the > owner of the company > to go with RAID 10 with 10K rpm drives.. the most > likelyhood we will go > with RAID 5, 7200rpm drives for a database project > ahead. Alternatively I > will see how RAID 5 with 10K rpm SCSI drives > compares price wise, but I am > sure it will be substantially more. :-( > _______________________________________________ I would subject you checkout: Controller: http://www.3ware.com/products/serial_ata2-9000.asp 16 port muili-lane, with BU and 265meg, cheaper than most SCSI controller, faster, well supported and you need the spindles for high IO, about 700$ plus BU and memory(not sure they are in stock yet, only out a week+-) Disk: WD Raptor, 74 GB, 10000 RPM Hard Drive http://www.wdc.com/en/products/Products.asp?DriveID=65&Language=en 146$ vs 210$ for SCSI (newegg.com) Enclosure: enlight 316 with Multilane back plane, 650w triple reduncany PS and the two extra exhaust fans. http://www.enlightusa.com/product_details.asp?id=4 The Multilane will keep cables under control and the thermals look good. about $1400+- pick your MB and memory................... Happen to be specing out some new db servers this week -mjm __________________________________ Yahoo! Mail - PC Magazine Editors' Choice 2005 http://mail.yahoo.com