From owner-freebsd-stable@FreeBSD.ORG Sat Aug 20 20:07:47 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 DDABF1065674 for ; Sat, 20 Aug 2011 20:07:47 +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 AC1428FC15 for ; Sat, 20 Aug 2011 20:07:47 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by nyi.unixathome.org (Postfix) with ESMTP id E34C950A09; Sat, 20 Aug 2011 20:07:46 +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 1Xf1KD8QjThm; Sat, 20 Aug 2011 21:07:46 +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 781F1509F3 ; Sat, 20 Aug 2011 20:07:46 +0000 (UTC) Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii From: Dan Langille In-Reply-To: <20110820195702.GA39109@icarus.home.lan> Date: Sat, 20 Aug 2011 16:07:44 -0400 Content-Transfer-Encoding: quoted-printable Message-Id: <09FB1664-127D-4835-88C4-BF5CD3A320C1@langille.org> 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> <20110820195702.GA39109@icarus.home.lan> To: Jeremy Chadwick X-Mailer: Apple Mail (2.1084) Cc: freebsd-stable@freebsd.org 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 20:07:47 -0000 On Aug 20, 2011, at 3:57 PM, Jeremy Chadwick wrote: >>> I still suggest you replace the drive, although given its age I = doubt >>> 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 > Yes, given the behaviour of the drive I would recommend you simply > replace it at this point in time. What concerns me the most is > Current_Pending_Sector incrementing, but it's impossible for me to > determine if that incrementing means there are other LBAs which are = bad, > or if the drive is behaving how its firmware is designed. >=20 > Keep the drive around for further experiments/tinkering if you're > interested. Stuff like this is always interesting/fun as long as your > data isn't at risk, so doing the replacement first would be best > (especially if both drives in your mirror were bought at the same time > from the same place and have similar manufacturing plants/dates on > them). I'm happy to send you this drive for your experimentation pleasure. If so, please email me an address offline. You don't have a disk with=20= errors, and it seems you should have one. After I wipe it. I'm sure I have a destroyer CD here somewhere.... --=20 Dan Langille - http://langille.org