On 03/08/15 07:58, jd1008 wrote: > Yes, that was cdrecord's output message. > But as I said, the 100 DVD box of Sony dvd/rw media > said loudly "RW". > > So, I do not really know why cdrecord says what it does. But, "RW" doesn't imply that the "blank" command is supported. Use "format" instead. And, you also need to specify if it is -RW or +RW. -- If you can't laugh at yourself, others will gladly oblige. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org