i only now noticed that Bogomips reported some problems with DVD-RW media.
To my experience, DVD-RW together with DVD+R DL are the media types which
fail first when a DVD drive begins to show symptoms of ageing. DVD+RW give
more hope for success on drives which have seen some work life.
Burning of formatted DVD-RW seems to be possible longer than burning of
unformatted (sequential) DVD-RW.
It is not so much a matter of media wear-off but rather of drive wear-off.
Differences in DVD burn success with different burn programs are either
merely incidential or caused by different write types or formatting states.
With DVD-RW there are three choices: sequential DAO, sequential Incremental,
and formatted for Restricted Overwrite.
Despite its slightly repelling name, Restricted Overwrite gives best hope
for success (but cdrecord won't accept it). To bring a DVD-RW into formatted
Code: Select all
xorriso -outdev /dev/sr0 -format as_needed
Overwrite. DAO always closes the medium and works only on blank media.
Fast blanked sequential DVD-RW can only do DAO. That's why xorriso blanks
sequential DVD-RW fully (and slowly) if not blank mode "deformat_quickest"
The highest merit a burn program can claim is that it makes no mistakes.
Final success is a matter of burner drive and medium.
Have a nice day
(Edited to add info about fast and full blanking.)