From owner-freebsd-chat@FreeBSD.ORG Sun Apr 6 20:27:16 2008 Return-Path: Delivered-To: freebsd-chat@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 465821065678 for ; Sun, 6 Apr 2008 20:27:16 +0000 (UTC) (envelope-from brooks@lor.one-eyed-alien.net) Received: from lor.one-eyed-alien.net (cl-162.ewr-01.us.sixxs.net [IPv6:2001:4830:1200:a1::2]) by mx1.freebsd.org (Postfix) with ESMTP id C901F8FC28 for ; Sun, 6 Apr 2008 20:27:15 +0000 (UTC) (envelope-from brooks@lor.one-eyed-alien.net) Received: from lor.one-eyed-alien.net (localhost [127.0.0.1]) by lor.one-eyed-alien.net (8.14.2/8.14.2) with ESMTP id m36KRAhd028580; Sun, 6 Apr 2008 15:27:10 -0500 (CDT) (envelope-from brooks@lor.one-eyed-alien.net) Received: (from brooks@localhost) by lor.one-eyed-alien.net (8.14.2/8.14.2/Submit) id m36KRA58028579; Sun, 6 Apr 2008 15:27:10 -0500 (CDT) (envelope-from brooks) Date: Sun, 6 Apr 2008 15:27:10 -0500 From: Brooks Davis To: d@delphij.net Message-ID: <20080406202709.GA28511@lor.one-eyed-alien.net> References: <47F6C1BD.1090806@delphij.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="T4sUOijqQbZv57TR" Content-Disposition: inline In-Reply-To: <47F6C1BD.1090806@delphij.net> User-Agent: Mutt/1.5.17 (2007-11-01) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (lor.one-eyed-alien.net [127.0.0.1]); Sun, 06 Apr 2008 15:27:11 -0500 (CDT) Cc: FreeBSD-Chat mailing list Subject: Re: Program to copy data from a bad disk? X-BeenThere: freebsd-chat@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Non technical items related to the community List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Apr 2008 20:27:16 -0000 --T4sUOijqQbZv57TR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Apr 04, 2008 at 05:03:09PM -0700, LI Xin wrote: > Hi, >=20 > Recently my hard drive goes bad again, which has a lot of bad sectors for= =20 > unknown reasons. I am looking for some software that is capable of doing= a=20 > sector-to-sector copy of the hard drive. >=20 > I have tried dd but with conv=3Dnoerror,sync it would just fill 0's for t= he=20 > whole block size (say, in order to get best speed you will want bs=3D128k= or=20 > even larger, but that means that you will lose data when 1 of these 256= =20 > sectors is bad). Is there any program that is smarter which do a=20 > sector-to-sector copy for these failed blocks and use larger transfer=20 > buffer for others? recoverdisk(1). -- Brooks --T4sUOijqQbZv57TR Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (FreeBSD) iD8DBQFH+TIdXY6L6fI4GtQRAsaFAJ9iMmBDN6C5JUVTj1Yl4uCSfS30bACfdG9x bK307E5WIegudEC3QDutcfs= =/YIJ -----END PGP SIGNATURE----- --T4sUOijqQbZv57TR--