From owner-freebsd-stable@FreeBSD.ORG Thu Jun 7 13:38:47 2007 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id B0D5516A46B; Thu, 7 Jun 2007 13:38:47 +0000 (UTC) (envelope-from r.gruyters@yirdis.nl) Received: from mail.yirdis.nl (82-148-208-109.fiber.unet.nl [82.148.208.109]) by mx1.freebsd.org (Postfix) with ESMTP id 27EC513C455; Thu, 7 Jun 2007 13:38:46 +0000 (UTC) (envelope-from r.gruyters@yirdis.nl) Received: from server.yirdis.net (localhost [127.0.0.1]) by mail.yirdis.nl (8.13.8/8.13.8) with ESMTP id l57DcjbQ095448 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 7 Jun 2007 15:38:45 +0200 (CEST) (envelope-from r.gruyters@yirdis.nl) Received: (from www@localhost) by server.yirdis.net (8.13.8/8.13.8/Submit) id l57Dcjmt095447; Thu, 7 Jun 2007 15:38:45 +0200 (CEST) (envelope-from r.gruyters@yirdis.nl) X-Authentication-Warning: server.yirdis.net: www set sender to r.gruyters@yirdis.nl using -f Received: from hp-xw4300-02.yirdis.nl (hp-xw4300-02.yirdis.nl [10.8.0.29]) by server.yirdis.nl (Horde MIME library) with HTTP; Thu, 07 Jun 2007 15:38:45 +0200 Message-ID: <20070607153845.24h3nl968skg4scc@server.yirdis.nl> Date: Thu, 07 Jun 2007 15:38:45 +0200 From: Robin Gruyters To: Tim Kientzle References: <20070601114047.z6qgi686os4ogw4o@server.yirdis.nl> <46658EEB.5000008@freebsd.org> <20070606084406.8v6nkbtv9csgs880@server.yirdis.nl> <200706061715.06603.doconnor@gsoft.com.au> <20070606095820.83tast6s0804osos@server.yirdis.nl> <46679117.5060909@freebsd.org> In-Reply-To: <46679117.5060909@freebsd.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=_1qej9eria2ro"; protocol="application/pgp-signature"; micalg="pgp-sha1" Content-Transfer-Encoding: 7bit User-Agent: Internet Messaging Program (IMP) H3 (4.1.1) / FreeBSD-5.4 X-Virus-Scanned: OK Cc: freebsd-stable@freebsd.org Subject: Re: Unrecognized archive format with RELENG_6_2 and RELENG_6 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: Thu, 07 Jun 2007 13:38:47 -0000 This message is in MIME format and has been PGP signed. --=_1qej9eria2ro Content-Type: text/plain; charset=ISO-8859-1; DelSp="Yes"; format="flowed" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Quoting Tim Kientzle : >>>> After that I try to read/list the tar from tape with tar -t: >>>> $ sudo tar -tf /dev/sa0 >>>> archive.dmp >>>> tar: Unrecognized archive format: Inappropriate file type or format >>>> >>>> But when I extract the archive from tape, it works perfectly: >>>> $ sudo tar -xvf /dev/sa0 >>> >>> Using dd to feed tar does work though. (I think this agrees with Robin's >>> findings although the fact that it works with -z is curious) >>> >>> This is a Tandberg TS400 (LTO2 drive, LTO1 tape) >>> >> idd, same problem here. When using -z option, works perfectly. =20 >> Without it, it fails. >> >> Our tapedrive is a "HP C7438A V312". (DAT) > > Please try the following: > > sudo ktrace tar -tf /dev/sa0 > > Then run 'kdump | less' and see if you can find a pair of 'lseek' calls, > which will probably look something like this: > > 53127 bsdtar CALL lseek(0x3,0,0,0,0x1) > 53127 bsdtar RET lseek 6656000/0x659000 > 53127 bsdtar CALL lseek(0x3,0,0x70800,0,0x1) > 53127 bsdtar RET lseek 7116800/0x6c9800 > Here you go: 95225 bsdtar CALL lseek(0x3,0,0,0,0x1) 95225 bsdtar RET lseek 65536/0x10000 95225 bsdtar CALL lseek(0x3,0,0,0,0x1) 95225 bsdtar RET lseek 65536/0x10000 Robin Gruyters Network and Security Engineer Yirdis B.V. I: http://yirdis.com P: +31 (0)36 5300394 F: +31 (0)36 5489119 --=_1qej9eria2ro Content-Type: application/pgp-signature Content-Description: PGP Digital Signature Content-Disposition: inline Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.3 (FreeBSD) iD8DBQBGaAplLh3hlgHmc7MRAnW9AKDQLwIGVZKR+aMPNjiIg4T3qQedRQCfSvbE wtm60Amiv6qjr6QD8UCU5Q8= =sK4o -----END PGP SIGNATURE----- --=_1qej9eria2ro--