Hi all, As the target of the packet-writing is enable the CD burner can burn the CD in format udf in Linux. So I don't know my question here is appropriate or not. I got a DVD burner pioneer, I know I can't use the cdrwtool to format it in udf, so anyone know how can I format a dvd disk or cd disk to udf format by the DVD burner? do anyone know how to map the DVD burner to block device as the packet-writing with CD_RW? Currently I just can burn the DVD by making a udf image, then burn to the DVD by dvdrecord tool for linux by Track at one or Data at one not by udf, this tool only support scsi device so I have to emulation my IDE device to SCSI device? anyone can let me know that there are any other way to burn this? Sorry if this is not suitable with this mailing _list? hope you can help me. Thanks Rob Bui