I burned the fedora 12 dvd iso twice using wodim. Both times, it wrote: 3738959872 bytes (3.7 GB) copied, 511.982 s, 7.3 MB/s whereas the size of the actual iso is 3738935296 bytes - a difference of 24576 extra bytes written, and this in spite of providing the wodim argument -nopad Is this "normal" behaviour of dvd burners?