"David J. Kanter" <[EMAIL PROTECTED]> writes:

> This is odd: I can only mount some of the CDs I've put into my CD-ROM. Why?
[snip]
> What gives? The default mount type is iso9660---could that be the problem?
> Are not all CDs iso9660s? I've noticed that when I close the CD tray on the
> working CDs, there is a little spin-up that's absent on the CDs that won't
> mount. 

There are different formats for CDs. Pure audio CDs are known as CD-DA
and have no file system on them -- hence you can't mount them! You
don't need to mount them, though, can play and extract tracks from
them just fine.

There are also mixed-mode CDs, which have both data and audio
tracks. Such CDs can be mounted, but you will only be able to see the
data portion of the CD when you go to /mnt/cdrom or whatever other
mount point you would choose.
-- 
Arcady Genkin                                 http://www.thpoon.com
Nostalgia isn't what it used to be.

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