Re: reading a scanned picture from an unknown CD or DVD disk

yes iso9660+udf hybrid is standard now, when mounting iso files are there
but look strange, all look fine when mounting udf.

just out of curiosity did the mount_cd9660 return okay but files were
messes up or did not mount at all? only mount_udf worked while mount_cd9660
failed?

im wondering if you got udf with no iso?

what type of disk? cd/dvd/bd-r/w/ram?

--
CeDeROM, SQ7MHZ, http://www.tomek.cedro.info

On Thu, Nov 13, 2025, 11:58 Matthias Apitz <guru@unixarea.de> wrote:

> Please ignore my message,
>
> # mount_udf /dev/cd0 /mnt
>
> did the trick.
>
>         matthias
>
> El día jueves, noviembre 13, 2025 a las 11:49:55a. m. +0100, Matthias
> Apitz escribió:
>
> >
> > Hello,
> >
> > I've a very old slide positive (a framed picture of 24x36mm). A local
> > drugstore scanned the picture and returned me disk, a CD or DVD. But I
> > can't mount it as cd9660 file system. The only thing I can do is:
> >
> > # grep cd0 /var/log/message
> > Nov 13 12:01:35 e6330-r314251 kernel: cd0 at ahcich1 bus 0 scbus1 target
> 0 lun 0
> > Nov 13 12:01:35 e6330-r314251 kernel: cd0: <PLDS DVD+-RW DU-8A5HH SD11>
> Removable CD-ROM SCSI device
> > Nov 13 12:01:35 e6330-r314251 kernel: cd0: Serial Number
> TTYK05508134O47P3A01
> > Nov 13 12:01:35 e6330-r314251 kernel: cd0: 150.000MB/s transfers (SATA
> 1.x, UDMA5, ATAPI 12bytes, PIO 8192bytes)
> > Nov 13 12:01:35 e6330-r314251 kernel: cd0: 13MB (7086 2048 byte sectors)
> >
> >
> > # cat /dev/cd0 > cd0
> > # ls -l cd0
> > -rw-r--r--  1 root  wheel  14512128 13 nov.  11:18 cd0
> >
> > # file cd0
> > cd0: data
> >
> > # strings cd0 | more
> > BEA01
> > NSR02
> > TEA01
> > 3256792369
> > 4A8508F400000FB8
> > OSTA Compressed Unicode
> > OSTA Compressed Unicode
> > *EPSON Disc Library UDF
> > *UDF LV Info
> > OSTA Compressed Unicode
> > 3256792369
> > *EPSON Disc Library UDF
> > +NSR02
> > *EPSON Disc Library UDF
> > OSTA Compressed Unicode
> > 3256792369
> > *OSTA UDF Compliant
> > *EPSON Disc Library UDF
> > 3256792369
> > 4A8508F400000FB8
> > OSTA Compressed Unicode
> > OSTA Compressed Unicode
> > ...
> >
> > What can I do to get the picture on my X11 screen and/or convert it to
> JPEG
> > or TIFF?
> >
> > Thanks
> >
> >       matthias
> >
> >
> > --
> > Matthias Apitz, ✉ guru@unixarea.de, http://www.unixarea.de/
> +49-176-38902045
> > Public GnuPG key: http://www.unixarea.de/key.pub
> >
>
> --
> Matthias Apitz, ✉ guru@unixarea.de, http://www.unixarea.de/
> +49-176-38902045
> Public GnuPG key: http://www.unixarea.de/key.pub
>
> An die deutsche Bundesregierung: Nein, meine Söhne geb' ich nicht für
> Ihren Krieg!
> Al Gobierno alemán: ¡No, no doy mis hijos para su guerra!
> To the German Government: No, I will not give my sons for your war!
>
>