On Sat, 6 Jan 2001, Robert Waldner wrote:
> >> The ISO image read of the CD is probably a sector or two
> >> too long. If you know the correct size then you can just do
>
> I would think that the image created with dd is a few bytes (less than
> a sector) too small, because dd reads until it runs out of useful data,
> but the cd consists of 2k-sectors, the last one is padded with zeroes
> until itīs full. At least thatīs what the "-pad"-option in cdrecord is
> for...
Not entirely. -pad for _audio_ tracks adds 0's to get a full last 2352-byte
block (which is required by standards).
-pad for _data_ tracks always adds 30kB of 0's to make it compatible with
buggy early 2.0 (IIRC) Linuxes and some other *UXes. Data tracks are always
2048-multiples, and if not then that's a serious bug in mkisofs (or equiv).
Regards,
Anne Bezemer
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