From owner-freebsd-current@FreeBSD.ORG Thu Mar 11 15:21:15 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 11475106566B for ; Thu, 11 Mar 2010 15:21:15 +0000 (UTC) (envelope-from des@des.no) Received: from smtp.des.no (smtp.des.no [194.63.250.102]) by mx1.freebsd.org (Postfix) with ESMTP id C66D78FC16 for ; Thu, 11 Mar 2010 15:21:14 +0000 (UTC) Received: from ds4.des.no (des.no [84.49.246.2]) by smtp.des.no (Postfix) with ESMTP id CF9601FFC51; Thu, 11 Mar 2010 15:21:13 +0000 (UTC) Received: by ds4.des.no (Postfix, from userid 1001) id B01ED8449F; Thu, 11 Mar 2010 16:21:13 +0100 (CET) From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= To: Miroslav Lachman <000.fbsd@quip.cz> References: <20100308102918.GA5485@localhost> <4B94DDC8.5080008@quip.cz> <20100308115052.GA31896@office.redwerk.com> <4B94FBA6.5090107@quip.cz> Date: Thu, 11 Mar 2010 16:21:13 +0100 In-Reply-To: <4B94FBA6.5090107@quip.cz> (Miroslav Lachman's message of "Mon, 08 Mar 2010 14:29:10 +0100") Message-ID: <861vfq995i.fsf@ds4.des.no> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.95 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-current@freebsd.org Subject: Re: A tool for remapping bad sectors in CURRENT? 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, 11 Mar 2010 15:21:15 -0000 Miroslav Lachman <000.fbsd@quip.cz> writes: > Yes, rewriting by dd or any other way works for reallocating or > clearing pending sectors counter, but in server environment In a server environment, you'd be a fool not to have some sort of redundancy set up. > I need to know the affected file, as it can be for example database > file and then it is a big problem! Rewriting the sector inside InnoDB > ib_data file can cause DB crash, data loss etc. How is that different from *not* rewriting the sector? If there's a bad sector somewhere in your data, your database is still going to crash. DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no