From owner-freebsd-questions Tue Dec 4 23: 5:51 2001 Delivered-To: freebsd-questions@freebsd.org Received: from smtp.tninet.se (vir.tninet.se [195.100.94.108]) by hub.freebsd.org (Postfix) with ESMTP id 678D837B419 for ; Tue, 4 Dec 2001 23:05:45 -0800 (PST) Received: from there (bb-62-5-36-29.bb.tninet.se [62.5.36.29]) by vir.tninet.se (BLUETAIL Mail Robustifier 2.2.2) with ESMTP id 272936.535941.1007vir-s0 ; Wed, 05 Dec 2001 08:05:41 +0100 Content-Type: text/plain; charset="iso-8859-1" From: Mark Rowlands To: Doug Poland , questions@FreeBSD.ORG Subject: Re: Affect of CPU/Bus speed on disk performance Date: Wed, 5 Dec 2001 08:05:40 +0100 X-Mailer: KMail [version 1.3.2] References: <20011204234325.A58051@polands.org> In-Reply-To: <20011204234325.A58051@polands.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: <20011205070545.678D837B419@hub.freebsd.org> Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wednesday 05 December 2001 6:43 am, Doug Poland wrote: > Hi, > > I'm building a file server for a small windows network (Win2K clients) > whose only purpose in life will be to serve up samba file requests. > The NIC's involved are all Intel Pro 10/100B/100+ using a SMC 10/100 > switche. > > Given that, I'd like general guidance on how CPU/Bus speed will affect > access on the samba server. For simplicty sake, let's say I've got > a single 9.1GB, 7200RPM SCSI drive on the server with an Adaptec 2940UW > host adapter in a Pentium 133MHz box. Would this CPU/bus be the > bottleneck? If I wanted better performance, would it be better to > buy a 10,000 or 15,000 RPM drive or move up in processor speed? > Or maybe in this configuration the 100Mbit network is the bottleneck? > > My feeling is that even a modest CPU will spend most of it's time > waiting for the fastest disk. So if I'm on a limited budget, the most > bang for the buck would be to buy the fastest disks I can, and RAID them. > If I need better performance, what would be the next component to upgrade? > Gigabit NICs and switch? New MOBO/CPU? > > Many thanks for your thoughts and advice. http://www.oreilly.com/catalog/samba/chapter/book/appb_03.html. -- Life is the living you do, Death is the living you don't do. -- Joseph Pintauro To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message