Date: Wed, 06 Jun 2007 09:58:20 +0200 From: Robin Gruyters <r.gruyters@yirdis.nl> To: "Daniel O'Connor" <doconnor@gsoft.com.au> Cc: Tim Kientzle <kientzle@freebsd.org>, freebsd-stable@freebsd.org Subject: Re: Unrecognized archive format with RELENG_6_2 and RELENG_6 Message-ID: <20070606095820.83tast6s0804osos@server.yirdis.nl> In-Reply-To: <200706061715.06603.doconnor@gsoft.com.au> References: <20070601114047.z6qgi686os4ogw4o@server.yirdis.nl> <46658EEB.5000008@freebsd.org> <20070606084406.8v6nkbtv9csgs880@server.yirdis.nl> <200706061715.06603.doconnor@gsoft.com.au>
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This message is in MIME format and has been PGP signed. --=_25gze2ryqxc0 Content-Type: text/plain; charset=UTF-8; DelSp="Yes"; format="flowed" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Quoting Daniel O'Connor <doconnor@gsoft.com.au>: > On Wednesday 06 June 2007 16:14, Robin Gruyters wrote: >> Then a tar the file (with or without blocksize set) to tape: >> $ sudo tar -cf /dev/sa0 archive.dmp >> $ >> >> After that I try to read/list the tar from tape with tar -t: >> $ sudo mt -f /dev/sa0 rewind >> $ sudo tar -tf /dev/sa0 >> archive.dmp >> tar: Unrecognized archive format: Inappropriate file type or format >> $ >> >> I get strait away the "Unrecognized archive" message. >> >> But when I extract the archive from tape, it works perfectly: >> $ sudo tar -xvf /dev/sa0 >> x archive.dmp >> $ >> >> I have tested this with libarchive and tar from RELENG_6 and >> RELENG_6_2. No problems with libarchive and tar from RELENG_6_1. > > I did.. > > tar -zcvf /dev/sa0 /boot > tar -ztvf /dev/sa0 > > tar -b 1 -zcvf /dev/sa0 /boot > tar -b 1 -ztvf /dev/sa0 > > tar -b 20 -zcvf /dev/sa0 /boot > tar -b 20 -ztvf /dev/sa0 > > tar -b 128 -zcvf /dev/sa0 /boot > tar -b 128 -ztvf /dev/sa0 > > And they work. The example you gave failed however, so do.. > tar -b 1 -cvf /dev/sa0 /boot > tar -b 1 -tvf /dev/sa0 > > tar -b 20 -cvf /dev/sa0 /boot > tar -b 20 -tvf /dev/sa0 > > tar -b 128 -cvf /dev/sa0 /boot > tar -b 128 -tvf /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) > > [cain 17:05] ~ >mt status > Mode Density Blocksize bpi Compression > Current: 0x40 variable 0 disabled > ---------available modes--------- > 0: 0x40 variable 0 0x1 > 1: 0x40 variable 0 0x1 > 2: 0x40 variable 0 0x1 > 3: 0x40 variable 0 0x1 > --------------------------------- > Current Driver State: at rest. > --------------------------------- > File Number: 0 Record Number: 0 Residual Count 0 > > This is a Tandberg TS400 (LTO2 drive, LTO1 tape) > idd, same problem here. When using -z option, works perfectly. Without =20 it, it fails. Here is mine 'mt status' output: $ sudo mt status Mode Density Blocksize bpi Compression Current: 0x47 variable 0 DCLZ ---------available modes--------- 0: 0x47 variable 0 DCLZ 1: 0x47 variable 0 DCLZ 2: 0x47 variable 0 DCLZ 3: 0x47 variable 0 DCLZ --------------------------------- Current Driver State: at rest. --------------------------------- File Number: 0 Record Number: 0 Residual Count 0 Our tapedrive is a "HP C7438A V312". (DAT) Kind regards, Robin Gruyters Network and Security Engineer Yirdis B.V. I: http://yirdis.com P: +31 (0)36 5300394 F: +31 (0)36 5489119 --=_25gze2ryqxc0 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) iD8DBQBGZmkcLh3hlgHmc7MRAjriAJ4oJ0St1zOdJ3nWPX/lYNedD9UJxwCeIs4T jGl9kz8j54GWMZ/BgWZJhrE= =fP8z -----END PGP SIGNATURE----- --=_25gze2ryqxc0--
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