growisofs - burn the file again?

Dave M DaveM at Mich.Com
Thu Jan 4 23:14:02 UTC 2007


I am using growisofs to burn DVD's. After burning a file I do diff to see 
if it was burned properly. If there is an error I try to burn the file 
again using growisofs.

I think growisofs sees that the file is already there and does not try to 
burn it again. So when I do diff after re-burning I see the same error in 
the same location. Is there a way to force growisofs (which actually uses 
mkisofs) to re-burn a file that has the same name as a file that is already 
on the DVD?

My command looks like this:

$growisofs -quiet -use-the-force-luke=tty -use-the-force-luke=notray -M
/dev/dvd -r -J -T datafiletoburn.dar

Also, what is the best way to erase DVD+RW disks? I do not need to wipe all 
of the data, just clear the file system tables so the disk can be re-used. 
I am using:

dvd+rw-format -force /dev/dvd

But I read that this is not good for the media. It may damage the DVD+RW 
after erasing it a few times? Is there a better way?

TIA

-------------------------------
Dave M
Davem (at) Mich (dot) Com
Ann Arbor, Mich. USA

Inter-networked computers give you freedom.
The "Trusted Computing Platform" could take that freedom away.
http://www.eff.org/Infrastructure/trusted_computing/20031001_tc.php




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