From owner-freebsd-hackers@FreeBSD.ORG Tue May 10 01:53:03 2005 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 CC95416A4EB for ; Tue, 10 May 2005 01:53:03 +0000 (GMT) Received: from smarthost2.sentex.ca (smarthost2.sentex.ca [205.211.164.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0D1F643D69 for ; Tue, 10 May 2005 01:53:03 +0000 (GMT) (envelope-from mike@sentex.net) Received: from BLUELAPIS.sentex.ca (cage.simianscience.com [64.7.134.1]) by smarthost2.sentex.ca (8.13.3/8.13.3) with SMTP id j4A1qxti097108; Mon, 9 May 2005 21:53:00 -0400 (EDT) (envelope-from mike@sentex.net) From: Mike Tancsa To: Amandeep Date: Mon, 09 May 2005 21:53:05 -0400 Message-ID: References: <427FA802.90805@chamkila.org> <427FA8CD.8040405@centtech.com> <427FAB5F.6070508@chamkila.org> In-Reply-To: <427FAB5F.6070508@chamkila.org> X-Mailer: Forte Agent 1.93/32.576 English (American) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Virus-Scanned: ClamAV version 0.84, clamav-milter version 0.84e on smarthost2.sentex.ca X-Virus-Status: Clean cc: freebsd-hackers@freebsd.org Subject: Re: Low HDD tranfer rate with FreeBSD 5.3-Release 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: Tue, 10 May 2005 01:53:04 -0000 On Mon, 09 May 2005 11:26:39 -0700, in sentex.lists.freebsd.hackers you wrote: >Hi Eric, > > >Shouldnt it be around 54MB/s for a regular IDE drive. As I did a=20 [releng5-865]# dd if=3D/dev/zero of=3D/tmp/test bs=3D8192 count=3D30000 30000+0 records in 30000+0 records out 245760000 bytes transferred in 4.447737 secs (55255063 bytes/sec) [releng5-865]#=20 5.4-STABLE FreeBSD 5.4-STABLE #1: Sat May 7 20:42:37 EDT 2005=20 And, after flushing the cache by rebooting, [releng5-865]# dd if=3D/tmp/test of=3D/dev/null bs=3D8192 30000+0 records in 30000+0 records out 245760000 bytes transferred in 4.517612 secs (54400422 bytes/sec) [releng5-865]#=20 run of the mill PATA segate ad0: 38166MB [77545/16/63] at ata0-master UDMA100 You really should update to 5.4R [releng5-865]# dmesg | head -13 Copyright (c) 1992-2005 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. =46reeBSD 5.4-STABLE #1: Sat May 7 20:42:37 EDT 2005 mdtancsa@releng5-865.sentex.ca:/usr/obj/usr/src/sys/pioneer ACPI APIC Table: Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: Intel(R) Celeron(R) CPU 2.40GHz (2400.41-MHz 686-class CPU) Origin =3D "GenuineIntel" Id =3D 0xf33 Stepping =3D 3 =46eatures=3D0xbfebfbff real memory =3D 267321344 (254 MB) avail memory =3D 251940864 (240 MB) ioapic0 irqs 0-23 on motherboard ... atapci0: port 0xf000-0xf00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0 [releng5-865]#=20 ---Mike -------------------------------------------------------- Mike Tancsa, Sentex communications http://www.sentex.net Providing Internet Access since 1994 mike@sentex.net, (http://www.tancsa.com)