From owner-freebsd-hackers@FreeBSD.ORG Mon May 9 18:35:58 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 665CB16A4EA for ; Mon, 9 May 2005 18:35:58 +0000 (GMT) Received: from beck.quonix.net (beck.quonix.net [146.145.66.90]) by mx1.FreeBSD.org (Postfix) with ESMTP id 95B2543D9B for ; Mon, 9 May 2005 18:35:57 +0000 (GMT) (envelope-from john@essenz.com) Received: from beck.quonix.net (localhost [127.0.0.1]) by beck.quonix.net (8.12.11/8.12.11) with ESMTP id j49IZs8C020192 for ; Mon, 9 May 2005 14:35:54 -0400 (EDT) Received: from localhost (essenz@localhost)j49IZsss020189 for ; Mon, 9 May 2005 14:35:54 -0400 (EDT) X-Authentication-Warning: beck.quonix.net: essenz owned process doing -bs Date: Mon, 9 May 2005 14:35:54 -0400 (EDT) From: John Von Essen X-X-Sender: essenz@beck.quonix.net To: freebsd-hackers@freebsd.org In-Reply-To: <427FABBB.4070605@dnainternet.net> Message-ID: <20050509143247.E20018@beck.quonix.net> References: <427FA802.90805@chamkila.org> <20050509141507.J19546@beck.quonix.net> <427FABBB.4070605@dnainternet.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-SpamAssassin-3.0.1-Score: -2.82/6 ALL_TRUSTED X-MimeDefang-2.48: beck.quonix.net X-Scanned-By: MIMEDefang 2.48 on 146.145.66.90 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: Mon, 09 May 2005 18:35:58 -0000 Actually, using a variety of Maxtor drives, I don't think I have ever gotten anything better then 11.5 Megabytes/sec - and this was on boards with ATA-100. About a year ago I had several Tyan S2099's with a 40Gb Seagate, and was doing drive duplications with dd and a FreeBSD boot CD. Again, 11 Megabytes/sec max. -john On Mon, 9 May 2005, Erik Udo wrote: > But he is getting over 100 megabits per second! > > Anyway, i'm getting 50~60MB/s on my > ad0: 194481MB [395136/16/63] at ata0-master > UDMA133 > > So i think 15MB/s is a little slow. > > John Von Essen wrote: > > That sounds about right! > > > > You weren't expecting to get 100Mb/s were you?? > > > > -john > > > > On Mon, 9 May 2005, Amandeep wrote: > > > > > >>Hi all, > >> > >>I am using Tyan S2098 MB with 160GB Maxtor ATA Drive and the transfer > >>rate is very low. FreeBSD 5.3-Release. > >>Any ideas what is going on here. > >> > >>The transfer rate is about 15MB/s > >> > >>when I run > >> > >>#dd if=/dev/zero of=/usr/junk bs=8192 > >> > >>then do > >>#iostat 1 > >>_______________________________________________ > >>freebsd-hackers@freebsd.org mailing list > >>http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > >>To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" > >> > > > > _______________________________________________ > > freebsd-hackers@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" > > > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >