From owner-freebsd-stable@FreeBSD.ORG Sat Aug 20 18:17:39 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 76BCA106567A for ; Sat, 20 Aug 2011 18:17:39 +0000 (UTC) (envelope-from dan@langille.org) Received: from nyi.unixathome.org (nyi.unixathome.org [64.147.113.42]) by mx1.freebsd.org (Postfix) with ESMTP id 47F8B8FC1D for ; Sat, 20 Aug 2011 18:17:39 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by nyi.unixathome.org (Postfix) with ESMTP id C589750A09; Sat, 20 Aug 2011 18:17:38 +0000 (UTC) X-Virus-Scanned: amavisd-new at unixathome.org Received: from nyi.unixathome.org ([127.0.0.1]) by localhost (nyi.unixathome.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id w91gjHj2BT9y; Sat, 20 Aug 2011 19:17:38 +0100 (BST) Received: from smtp-auth.unixathome.org (smtp-auth.unixathome.org [10.4.7.7]) (Authenticated sender: hidden) by nyi.unixathome.org (Postfix) with ESMTPSA id 607D150A06 ; Sat, 20 Aug 2011 18:17:38 +0000 (UTC) Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii From: Dan Langille In-Reply-To: <20110820180415.GA74553@night.db.net> Date: Sat, 20 Aug 2011 14:17:37 -0400 Content-Transfer-Encoding: quoted-printable Message-Id: References: <1B4FC0D8-60E6-49DA-BC52-688052C4DA51@langille.org> <20110819232125.GA4965@icarus.home.lan> <20110820032438.GA21925@icarus.home.lan> <4774BC00-F32B-4BF4-A955-3728F885CAA1@langille.org> <20110820180415.GA74553@night.db.net> To: Diane Bruce X-Mailer: Apple Mail (2.1084) Cc: freebsd-stable@freebsd.org, Jeremy Chadwick Subject: Re: bad sector in gmirror HDD X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Aug 2011 18:17:39 -0000 On Aug 20, 2011, at 2:04 PM, Diane Bruce wrote: > On Sat, Aug 20, 2011 at 01:34:41PM -0400, Dan Langille wrote: >> On Aug 19, 2011, at 11:24 PM, Jeremy Chadwick wrote: >>=20 >>> On Fri, Aug 19, 2011 at 09:39:17PM -0400, Dan Langille wrote: > ... >>>> Information such as this? = http://beta.freebsddiary.org/smart-fixing-bad-sector.php > ... >>> 3) A very high temperature of 51C (SMART attribute 194). If this = drive >>> is in an enclosure or in a system with no fans this would be >=20 > ... >=20 > eh? What's the temperature of the second drive? Roughly the same: [root@bast:/home/dan/tmp] # smartctl -a /dev/ad2 | grep -i temp 194 Temperature_Celsius 0x0022 080 076 042 Old_age Always = - 51 [root@bast:/home/dan/tmp] # smartctl -a /dev/ad0 | grep -i temp 194 Temperature_Celsius 0x0022 081 074 042 Old_age Always = - 49 [root@bast:/home/dan/tmp] #=20 FYI, when I first set up smartd, I questioned those values. The HDD in = question, at the time, did not feel hot to the touch. >=20 > ... >=20 >> This is an older system. I suspect insufficient ventilation. I'll = look at getting >> a new case fan, if not some HDD fans. >=20 > ... >=20 >>> I still suggest you replace the drive, although given its age I = doubt >=20 > Older drive and errors starting to happen, replace ASAP. >=20 >>> you'll be able to find a suitable replacement. I tend to keep disks >>> like this around for testing/experimental purposes and not for = actual >>> use. >>=20 >> I have several unused 80GB HDD I can place into this system. I think = that's >> what I'll wind up doing. But I'd like to follow this process through = and get it documented >> for future reference. >=20 > If the data is valuable, the sooner the better.=20 > It's actually somewhat saner if the two drives are not from the same = lot. Noted. --=20 Dan Langille - http://langille.org