Re: CD writing in ext2 filesystem

[Richard Adams <pa3gcu@zeelandnet.nl>]

On Wednesday 24 April 2002 09:45, Paul Furness wrote:
> Hmm. Well, when CDs are created, the file system used is called iso9660.
> What I _think_ has happened is that you have created a file on your hard
> disk inside which you have created an ext2 filesystem, but then then you
> recorded that file onto a CD. As far as I know, cdrecord will try and
> interpreate the file you give it as either a CD image file (ie an
> iso9660 file system) or a ufs file system. What it MAY have done is
> created an iso9660 image on the CD and copied your file containing the
> ext2 onto the CD as a file. In other words, to get at it you need to
> mount the CD (as iso9660) and then mount the file inside the CD file
> system.
>
> Try using mount without the -t option - it should recognise the file
> system on the CD (if it is a working one) and mount it automatically.
> you could then ls /mnt/cdrom and see if the file file.ext2 comes up.
>
> Is there a particular reason why you were trying to put an ext2 fiole
> system on the CD rather than an ISO9660 one?
>
> Incidentally, if you just want to copy some stuff to a CD, the easiest
> way is to use one of the nice graphical CD writing tools that are around
> - try xcdroast, for example.

If it is of any interest i do this all the time for backups, the cdrom needs 
to be mounted with iso9660 then one has an image on the cd of ones harddisk.

ls -al /cdrom would then show up like a normall linux distribution tree.



>
> Hope that some of this helps...
>
> Paul.
>
> On Tue, 2002-04-23 at 18:48, Suriya Narayanan M S wrote:
> > On Monday 22 April 2002 01:29, Pierre Rousselet wrote:
> >   > Suriya Narayanan M S wrote:
> >   > > # mount -t ext2 -o ro /dev/cdrom /mnt/cdrom
> >   >
> >   > Is there any error message following this command line ?
> >
> > Yes.
> > mount: wrong fs type, bad option, bad superblock on /dev/cdrom,
> >        or too many mounted file systems
> > --
> > Guru Brahma Gurur Vishnu
> > Gurur Dhevo Maheshwaraha
> > Gurur Saakshaath Parabramha
> > Thasmai Shree Gurave Namaha
> >
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-- 
Regards Richard
pa3gcu@zeelandnet.nl
http://people.zeelandnet.nl/pa3gcu/

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