Unable to blank dvd/rw media

[jd1008]

On 03/07/2015 06:08 PM, Ed Greshko wrote:
> 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.
>
+RW

On this drive, I have been able to burn both + and - RW/