Rachid Ayad <[log in to unmask]> writes:

>  If IDE so it should be hda.

Not always[1].  

For a while, in order to use a CD burner one had to use the ide-scsi
module on it so it could be emulated as a SCSI device to satisfy user
code, which mainly meant "cdrecord".  Google's feeling lucky hit for
ide-scsi tells some of the tale.

http://www.linux.com/articles/33164


Regards,
-Brett.

[1] Unless your "should" was meant in the judgmental instead of the
probabilistic sense, in which case, I would agree.