>>     SENSE KEY:  Illegal Request
>>                 Incorrect Length Indicator Set
>>      ASC/ASCQ:  Illegal Mode For This Track
>>
>> Can someone please sell me a clue or a pointer? I'm trying to write pretty
>> full DVDs (the ISO image is 4461133824 bytes). I was disappointed to
>> discover that the ISO 9660 file system forces me to break my large data
>> file into smaller ones...
>
> When I used dvdrecord, I think I had to use dvdrecord -tao or something
> like that.

usually

dvdrecord -dao driveropts=burnfree -v file