From owner-freebsd-questions@FreeBSD.ORG Mon Mar 7 10:29:43 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1403416A4CF for ; Mon, 7 Mar 2005 10:29:43 +0000 (GMT) Received: from sccrmhc12.comcast.net (sccrmhc12.comcast.net [204.127.202.56]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9AE8043D53 for ; Mon, 7 Mar 2005 10:29:42 +0000 (GMT) (envelope-from emccoy@haystacks.org) Received: from [127.0.0.1] (c-24-98-109-41.atl.client2.attbi.com[24.98.109.41]) by comcast.net (sccrmhc12) with ESMTP id <20050307102941012001iq4de>; Mon, 7 Mar 2005 10:29:42 +0000 Message-ID: <422C2CE8.3080709@haystacks.org> Date: Mon, 07 Mar 2005 05:28:56 -0500 From: Eric McCoy User-Agent: Mozilla Thunderbird 0.8 (Windows/20040913) X-Accept-Language: en-us, en MIME-Version: 1.0 To: FreeBSD Questions References: <89bc1cf72874d1d57114b1e1eb54d1ce@lafn.org> <422C956F.6020106@bol-online.com> <3b4c464a28f9ab1219026ff6f40faf04@lafn.org> In-Reply-To: <3b4c464a28f9ab1219026ff6f40faf04@lafn.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: Disk Error X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Mar 2005 10:29:43 -0000 Doug Hardie wrote: > I doubt that its dying. There is only one bad sector. The drive is in > constant use. Its ran at 100% for almost 12 hours while copying the > files and no errors were detected. Its always the same sector with the > error. Just as a note, hard drives now come with a number of "spare sectors" which they map automatically to replace dead sectors. This is done because all drives ship with a few bad sectors. Usually when errors like this show up, it is because the drive is out of spares. Since problems like these tend to accelerate, it is a good idea at least to consider replacing the disk before you start losing data more than a sector at a time. You might consider getting smartmontools and seeing what the drive's diagnostics have to say. Usually that will tell you if this is a fluke or a symptom of a failing drive.