From owner-freebsd-performance@FreeBSD.ORG Mon May 2 21:16:53 2005 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7A8C416A4D2; Mon, 2 May 2005 21:16:53 +0000 (GMT) Received: from multiplay.co.uk (www1.multiplay.co.uk [212.42.16.7]) by mx1.FreeBSD.org (Postfix) with ESMTP id A0F8B43D1F; Mon, 2 May 2005 21:16:52 +0000 (GMT) (envelope-from killing@multiplay.co.uk) Received: from vader ([212.135.219.179]) by multiplay.co.uk (multiplay.co.uk [212.42.16.7]) (MDaemon.PRO.v8.0.1.R) with ESMTP id md50001376499.msg; Mon, 02 May 2005 22:13:14 +0100 Message-ID: <008201c54f5c$3f075d80$b3db87d4@multiplay.co.uk> From: "Steven Hartland" To: "Robert Watson" , "Poul-Henning Kamp" References: <19879.1115061648@critter.freebsd.dk> <20050502214208.M87351@fledge.watson.org> Date: Mon, 2 May 2005 22:16:42 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2527 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 X-Spam-Processed: multiplay.co.uk, Mon, 02 May 2005 22:13:14 +0100 (not processed: message from valid local sender) X-MDRemoteIP: 212.135.219.179 X-Return-Path: killing@multiplay.co.uk X-MDAV-Processed: multiplay.co.uk, Mon, 02 May 2005 22:13:15 +0100 cc: freebsd-performance@freebsd.org cc: Eric Anderson Subject: Re: Very low disk performance on 5.x X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 May 2005 21:16:53 -0000 ----- Original Message ----- From: "Robert Watson" > I'm not sure if we've seen Linux and FreeBSD dmsg output yet, but > if nothing else it would be good to confirm if the drivers on both systems > negotiate the same level of throughput to each drive. Both drivers ( FreeBSD and Linux ) have identical output on startup. May 3 22:12:26 r2d2 kernel: hptmv0: mem 0xf8200000-0xf827ffff irq 25 at device 1.0 on pci9 May 3 22:12:26 r2d2 kernel: RocketRAID 182x SATA Controller driver Version 1.1 May 3 22:12:26 r2d2 kernel: RR182x [0,0]: channel started successfully May 3 22:12:26 r2d2 kernel: RR182x [0,1]: channel started successfully May 3 22:12:26 r2d2 kernel: RR182x [0,2]: channel started successfully May 3 22:12:26 r2d2 kernel: RR182x [0,3]: channel started successfully May 3 22:12:26 r2d2 kernel: RR182x [0,4]: channel started successfully May 3 22:12:26 r2d2 kernel: RR182x: RAID5 write-back enabled ... May 3 22:12:26 r2d2 kernel: da0 at hptmv0 bus 0 target 0 lun 0 May 3 22:12:26 r2d2 kernel: da0: Fixed Direct Access SCSI-0 device May 3 22:12:26 r2d2 kernel: da0: 1526216MB (3125691008 512 byte sectors: 255H 63S/T 194565C) I've now got the noisy beast next to me here just installing 5.4-STABLE on my test OS disk then free to do what ever tests u guys need doing. Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone (023) 8024 3137 or return the E.mail to postmaster@multiplay.co.uk.