From owner-freebsd-hackers@FreeBSD.ORG Mon Nov 22 21:21:38 2004 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4C3D716A4CE for ; Mon, 22 Nov 2004 21:21:38 +0000 (GMT) Received: from sccmmhc92.asp.att.net (sccmmhc92.asp.att.net [204.127.203.212]) by mx1.FreeBSD.org (Postfix) with ESMTP id CBF6E43D39 for ; Mon, 22 Nov 2004 21:21:37 +0000 (GMT) (envelope-from stephen@math.missouri.edu) Received: from [10.0.0.4] (12-216-243-9.client.mchsi.com[12.216.243.9]) by sccmmhc92.asp.att.net (sccmmhc92) with ESMTP id <20041122212136m9200k0khfe>; Mon, 22 Nov 2004 21:21:37 +0000 Message-ID: <41A25860.8030901@math.missouri.edu> Date: Mon, 22 Nov 2004 15:21:36 -0600 From: Stephen Montgomery-Smith User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.3) Gecko/20041116 X-Accept-Language: en-us, en MIME-Version: 1.0 To: tw@wsf.at References: <20041122215408.gjzs36hxmsoo00@.mailhost.wsf.at> In-Reply-To: <20041122215408.gjzs36hxmsoo00@.mailhost.wsf.at> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-hackers@freebsd.org Subject: Re: List of fake vs. real SATA drives. X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Nov 2004 21:21:38 -0000 Thomas Wolf wrote: > Stephen Montgomery-Smith schrieb: > > >>FUJISHIMA Satsuki wrote: >> >>>Currently native SATA drives are still not so popular. There are: >> >>>Seagate Barracuda ATA V, 7200.7, 7200.8 >> >>I have one of these, and I am really impressed by its performance. I >>added one to my computer, which came with a Maxtor 6Y080L0. My main >>disk intensive operation is creating the CTM deltas (as in CTM which is >>an alternative to CVSUP for people behind unfriendly firewalls). The >>performance difference was somewhat collosal, as in something like 3 >>times faster. To be honest, I am still at a loss to explain why the >>Seagate did so very much better - maybe it is the 8M cache as compared >>to the 2M cache. The Seagate 7200.7 had similar performance to a >>Seagate 160MHz SCSI drive that I have on another computer. > > > Ah, please tell me more about it, is this a ST3120827AS? > (I would need the exact PartNo.) What controller dou you have > and finally, on which version of FreeBSD? > ST380013AS with Intel ICH5 SATA150 controller and FreeBSD 4.10-Stable. The kernel reports that it is running at UDMA33, but the actual performance seems much better than that.