Re: thanx -> Re: [debian-knoppix] check CD-R
Hi Chris, Hi Oliver,
thanx for infos.
But i have testing the CDs on 5 CD-roms and at all the CDs produce errors. After that, i have
testing the CDs in a company in the city on a special CD-Testing-Maschine and this say me, that this
Cds have many block/sector errors. Errors that no CD rom can correcting it.So this CDs are for the
Trash. ;-))
But yesterday the storekeeper call me by phone and tell me, that he send 2 complete new packages to
me, burn in different speed(slow and fast). i hope that one of this packages are work. :-)
greetings
Dirk
----- Original Message -----
From: "Christian Perle" <perle@itm.tu-clausthal.de>
To: <debian-knoppix@linuxtag.org>
Sent: Tuesday, January 07, 2003 5:10 PM
Subject: Re: thanx -> Re: [debian-knoppix] check CD-R
> Hi Dirk,
>
> On Tue, Jan 07, 2003 at 16:32:10 +0100, Dirk Kamp wrote:
>
> > Thank to everyone for the fast help
> > Good information, but bad for me.
> >
> > 4 of 7 CDs that i bought of Debian Distro are damage and that after the
> > storekeeper send me the third package of this Distro. In the first two
> > packages there also included damage CDs. :-(
>
> Just to make it clear: If dd complains about the last two sectors only,
> the CD is probably _not_ corrupted.
>
> A better check for Debian CDs would be testing the .deb files.
> Since binary .deb files are ar archives that contain two tarballs
> control.tar.gz and data.tar.gz, it is easy to write a shell skript:
>
> #!/bin/bash
> : > checkdebs.log
> find /cdrom -type f -name "*.deb" |
> while read pkg
> do
> ar p $pkg data.tar.gz 2>/dev/null | tar tzf - >/dev/null 2>&1
> if [ $? != 0 ] ; then
> echo "$pkg is damaged" >> checkdebs.log
> fi
> done
>
> The results will be collected in the file checkdebs.log.
> Repeat the process for each CD.
>
> bye,
> Chris
> --
> Christian Perle perle@itm.tu-clausthal.de
> Grunaer Str. 31 http://www.itm.tu-clausthal.de/~perle/
> 01069 Dresden LinuxGuitarKitesBicyclesBeerPizzaRaytracing
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