Re: Re: unable to read some of a DVD contents

2005-05-16 Thread Kadir Wijaya
Yes. as Thomas and Volker pointed that the media is the one to be blamed. I used better quality DVD, the most expensive one in the store :), and I've 5 successful burns and all passed the integrity check. Thanks for all your helps, Kadir --

Re: unable to read some of a DVD contents

2005-05-16 Thread scdbackup
Hi, > As you mentioned, neither the burner nor the media > is the one to blame so what > is the thing that causes the test checksum to fail? In this case the individual media is to blame. At least in conjunction with my burner device. The annoying problem with DVD burning is that it is so hard

Re: unable to read some of a DVD contents

2005-05-15 Thread Volker Kuhlmann
> >The sucessfull DVD-RW is in heavy test use, has a nice collection of scratches ... and it works fine. The ill one had its third or fourth re-use, looks shiny and smooth ... > As you mentioned, neither the burner nor the media is the one to blame > so what is the thing that causes the test check

Re: unable to read some of a DVD contents

2005-05-15 Thread Kadir Wijaya
>I just had to trash a previously used DVD-RW which failed to pass the checksum >test with errors at the very start of the image. >After a test re-write it failed to deliver the last 2 MB (but the start of the >test image was ok). >A third re-write yielded missing 300 MB at the end of the media

Re: unable to read some of a DVD contents

2005-05-13 Thread scdbackup
Hi, >> - or to compare the data image on DVD with a checksum > > which was made when that image was written to DVD. > > First time heard about this method. How to actually obtain the DVD checksum? If you got the image stored on disk you may use program md5sum. If you generate and burn the ima

Re: unable to read some of a DVD contents

2005-05-13 Thread The Wijaya
Thanks for the comprehensive explanation, > Hi, > > > what is the indicator that the burn process was only 95% completed? > > The only reliable indicator seems to be checkreading > by all drives which shall be able to read the DVD. > > This would mean either > > - to compare each file on the DVD w

Re: Re: unable to read some of a DVD contents

2005-05-13 Thread scdbackup
Hi, > what is the indicator that the burn process was only 95% completed? The only reliable indicator seems to be checkreading by all drives which shall be able to read the DVD. This would mean either - to compare each file on the DVD with its original on hard disk (if the files on disk did n

Re: Re: unable to read some of a DVD contents

2005-05-13 Thread Volker Kuhlmann
> I used verbose option and clearly see that the burn process was completed and > the session was closed. > what is the indicator that the burn process was only 95% completed? The burn was 100% completed at 95% quality. ;) That's putting it colloquially of course. The burner is maladjusted to th

Re: Re: unable to read some of a DVD contents

2005-05-13 Thread The Wijaya
>>I've successfully burnt data (4 GB, around 1 files) to a DVD. >>I saw that all the files have been burnt to DVD with exact size.>>However, I couldn't read some of the files (corrupted ?) and this happened randomly (i.e. I burnt another ten DVDs with the same contents and the corruption

Re: unable to read some of a DVD contents

2005-05-12 Thread Volker Kuhlmann
> I've successfully burnt data (4 GB, around 1 files) to a DVD. > I saw that all the files have been burnt to DVD with exact size. > However, I couldn't read some of the files (corrupted ?) and this happened > randomly (i.e. I burnt another ten DVDs with the same contents and the > corruptio

unable to read some of a DVD contents

2005-05-12 Thread Kadir Wijaya
Hi there, I've successfully burnt data (4 GB, around 1 files) to a DVD. I saw that all the files have been burnt to DVD with exact size. However, I couldn't read some of the files (corrupted ?) and this happened randomly (i.e. I burnt another ten DVDs with the same contents and the corrupti