Date: Thu, 5 Jul 2001 19:48:39 +0200 (MEST) From: schilling@fokus.gmd.de To: freebsd-scsi@freebsd.org, mckay@thehub.com.au Cc: ken@kdm.org, schilling@fokus.gmd.de Subject: Re: Problems reading burned CDs (one problem solved) Message-ID: <200107051748.TAA01309@burner.fokus.gmd.de>
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>From mckay@thehub.com.au Wed Jul 4 11:11:28 2001
>Tony Maher <tonym@angis.org.au> pointed out the -s flag to mount_cd9660.
>With that, I was able to mount the CD and read all the files. Here's how:
># cdcontrol -f acd0
>Compact Disc Control utility, version 2.0
>Type `?' for command list
>cdcontrol> info
>Starting track = 1, ending track = 3, TOC size = 34 bytes
>track start duration block length type
>-------------------------------------------------
> 1 0:02.00 10:59.64 0 49339 data
> 2 10:59.64 1:02.60 49339 4560 data
> 3 12:00.49 41:17.24 53899 185649 data
> 170 53:15.73 - 239548 - -
>cdcontrol> quit
># mount_cd9660 -s 49339 /dev/acd0c /mnt
># df /mnt
>Filesystem 1K-blocks Used Avail Capacity Mounted on
>/dev/acd0c 478792 478792 0 100% /mnt
>#
>In other words, the burner program, for whatever reason, split the
>second session into two tracks. The final track is not an ISO filesystem.
>But the 2nd track is the directory for the whole disk.
>Presumably Windoze steps backwards through the tracks until it can mount
>successfully. We should to the same. It should be easy.
If you are right, then this CD is completely nonstandard.
Jörg
EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
js@cs.tu-berlin.de (uni) If you don't have iso-8859-1
schilling@fokus.gmd.de (work) chars I am J"org Schilling
URL: http://www.fokus.gmd.de/usr/schilling ftp://ftp.fokus.gmd.de/pub/unix
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