How to create .iso file image of cdrom (atapi)?

[Francisco Reyes]

On Wed, 7 Jan 2004, Sergey 'DoubleF' Zaharchenko wrote:

> Ah, I see, first mount the cdrom, then make an iso from its filesystem -
> then that's OK, but is seems a little of an overkill, as the cdrom
> already `contains' the iso. If created your way, the image will not
> be completely identical to the one on the cd (for example, the boot
> sectors, if any, will be missing).

Yes. I mentioned that, the mkisofs approach would not be a bootable image.
Thanks for pointing out the difference. I could never figure out how to
make an ISO of a bootable CD. :-)

Other than speed is there any consideration about the buffer size?