Hi, > > i made some changes to the WRITE12 streaming commands. > Now it works with both DVD-RAM and BD-RE! > md5sums match.
I'm good in guessing :)) Now it works for your one BD-RE drive, your DVD-RAM drive and my DVD-RAM drives. At least it gives hope that a substantial fraction of other drives would work like intended, too. One problem with the general validity is the fact that WRITE12 is obviously not intended for media with defect management. Each implementer of drive firmware has the freedom to impose own constraints or even to refuse on this combination. > So, basically, using streaming i/o will compensate "for free" (I mean > you get exactly the same result on disc as not using streaming) the > slow down caused by defect management? It depends on the number and pattern of bad spots on the media. No bad spots will make stream_recording=on the winner. A few bad spots with fast defect repair will make stream_recording=off better, because you do not have to repeat the burn run and your verification. Many bad spots or slow defect repair will make defect management uneconomic. In that situation it would probably be better to have a quick failure and to retry with better media. With my Philips DVD-RAM drive it is clear that defect management is only helpful if i have to write a small amount of important data. In case of several defects it is unbearably slow. So if i were struck with DVD-RAM i would trash those which have bad spots and use the others with stream_recording=on. But i got my DVD-RAM only for testing purposes. For the same reason i got that whimpy Philips drive. It produces more problems than any other of my drives. Today it declared a DVD+R closed which two other drives see as appendable. Shrug. With BD-RE and their high capacity and price, one may well decide to keep faulty ones and operate them without stream_recording. Important advise: You should make a full scale write test with your media and 25 GB of data. I myself will have to learn more about formatting of DVD-RAM and BD-RE now. Have a nice day :) Thomas -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
