From owner-freebsd-hardware@FreeBSD.ORG Fri Oct 28 20:48:20 2005 Return-Path: X-Original-To: hardware@freebsd.org Delivered-To: freebsd-hardware@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 985E916A41F; Fri, 28 Oct 2005 20:48:20 +0000 (GMT) (envelope-from PeterJeremy@optushome.com.au) Received: from mail28.syd.optusnet.com.au (mail28.syd.optusnet.com.au [211.29.133.169]) by mx1.FreeBSD.org (Postfix) with ESMTP id E75E043D49; Fri, 28 Oct 2005 20:48:19 +0000 (GMT) (envelope-from PeterJeremy@optushome.com.au) Received: from cirb503493.alcatel.com.au (c220-239-19-236.belrs4.nsw.optusnet.com.au [220.239.19.236]) by mail28.syd.optusnet.com.au (8.12.11/8.12.11) with ESMTP id j9SKm4Zn003819 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Sat, 29 Oct 2005 06:48:07 +1000 Received: from cirb503493.alcatel.com.au (localhost.alcatel.com.au [127.0.0.1]) by cirb503493.alcatel.com.au (8.12.10/8.12.10) with ESMTP id j9SKm4Hh053641; Sat, 29 Oct 2005 06:48:04 +1000 (EST) (envelope-from pjeremy@cirb503493.alcatel.com.au) Received: (from pjeremy@localhost) by cirb503493.alcatel.com.au (8.12.10/8.12.9/Submit) id j9SKm37K053640; Sat, 29 Oct 2005 06:48:03 +1000 (EST) (envelope-from pjeremy) Date: Sat, 29 Oct 2005 06:48:03 +1000 From: Peter Jeremy To: Mikhail Teterin Message-ID: <20051028204803.GW39882@cirb503493.alcatel.com.au> References: <200510280518.j9S5I3oQ025430@blue.virtual-estates.net> <20051028094844.GU39882@cirb503493.alcatel.com.au> <200510281245.28314.mi+mx@aldan.algebra.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <200510281245.28314.mi+mx@aldan.algebra.com> User-Agent: Mutt/1.4.2.1i X-PGP-Key: http://members.optusnet.com.au/peterjeremy/pubkey.asc Cc: hackers@freebsd.org, hardware@freebsd.org, sos@freebsd.org Subject: Re: Very slow writing to SATA disk X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 Oct 2005 20:48:20 -0000 On Fri, 2005-Oct-28 12:45:27 -0400, Mikhail Teterin wrote: >No, just checked -- the hw.ata.wc is set to 1. Is there anything else to look >at? That exhausts my ideas, sorry. Sören might be able to suggest something. >> >According to smartctl, the drive runs at 56C during the copying. Its >> >idle temperature seems to be 54C. >It sure feels hot to the touch, but nothing is burning, A rule-of-thumb is that you can hold your finger on something for 4 seconds then it is 45°C (or less). >this model's 'Ambient Temperature' spec is 5 to 55C... It's unlikely to affect I/O performance (though it may increase the number of thermal re-calibrations) but it will definitely shorten the drive life. -- Peter Jeremy