From owner-freebsd-current@FreeBSD.ORG Thu Mar 2 08:42:54 2006 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 752E616A420; Thu, 2 Mar 2006 08:42:54 +0000 (GMT) (envelope-from dmitry@atlantis.dp.ua) Received: from postman.atlantis.dp.ua (postman.atlantis.dp.ua [193.108.47.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 91BE643D45; Thu, 2 Mar 2006 08:42:53 +0000 (GMT) (envelope-from dmitry@atlantis.dp.ua) Received: from smtp.atlantis.dp.ua (smtp.atlantis.dp.ua [193.108.46.231]) by postman.atlantis.dp.ua (8.13.1/8.13.1) with ESMTP id k228gSoc010701; Thu, 2 Mar 2006 10:42:28 +0200 (EET) (envelope-from dmitry@atlantis.dp.ua) Date: Thu, 2 Mar 2006 10:42:28 +0200 (EET) From: Dmitry Pryanishnikov To: Mikhail Teterin In-Reply-To: <200603011634.19617.mi+mx@aldan.algebra.com> Message-ID: <20060302104004.E83093@atlantis.atlantis.dp.ua> References: <200603010505.k2155HfQ003205@aldan.algebra.com> <20060301144124.GA14411@uk.tiscali.com> <4405EFE9.6030807@elischer.org> <200603011634.19617.mi+mx@aldan.algebra.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: sos@freebsd.org, "Mikhail T." , Julian Elischer , Brian Candler , current@freebsd.org Subject: Re: pitiful performance of an SATA150 drive X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Mar 2006 08:42:54 -0000 Hello! On Wed, 1 Mar 2006, Mikhail Teterin wrote: > Let's not get distracted. dd using bs=1m is still limited to 7Mb/s on writing. BTW, what CPU utilization numbers does "systat -vm" show during the writing? In other words, is this issue (slow writing) CPU-bounded or device-bounded? Sincerely, Dmitry -- Atlantis ISP, System Administrator e-mail: dmitry@atlantis.dp.ua nic-hdl: LYNX-RIPE