Burning backup to dvd - Last word
Tony Nelson
tonynelson at georgeanelson.com
Fri Jul 28 17:37:27 UTC 2006
At 12:51 PM -0400 7/28/06, Gene Heskett wrote:
>On Friday 28 July 2006 11:06, Tony Nelson wrote:
>>At 3:35 PM +0100 7/28/06, Anne Wilson wrote:
>>>On Friday 28 July 2006 15:13, Aaron Konstam wrote:
>>>> On Thu, 2006-07-27 at 23:14 +0100, Anne Wilson wrote:
>>>> > On Thursday 27 July 2006 19:38, Anne Wilson wrote:
>>>> > > Although I can only speculate why.
>>>> > >
>>>> > > My new disks didn't arrive today, and I haven't yet ordered the
>>>> > > new drive, so not expecting any success I stuck in a once-used
>>>> > > DVD-RW disk and fired up k3b. I set it to burn at 2x and verify.
>>>> > > 'All files seem binary equal' - and it reads in konqueror on this
>>>> > > box.
>>>> > >
>>>> > > So - disk format? Possibly. Burn speed? I think I'm backing
>>>> > > that in the light of previous experiences.
>>>> > >
>>>> > > Thanks to all the people who tried so hard to help me. I think
>>>> > > I'll probably still get a new drive, though.
>>>> >
>>>> > I realise now that the disk that did burn correctly was not a DVD-R,
>>>> > but a DVD+R. Previously the drive had burned either type. I have
>>>> > tried several -R and -RW disks in k3b, and k3b did not recognise any
>>>> > of them. (The one that apparently burned from cdrecord/command-line
>>>> > yet could not be read is a separate mystery.) I have now burned
>>>> > another backup onto a DVD-RW disk.
>>>
>>>That should have said 'onto a DVD+RW' disk. Sorry, it was very late by
>>> then.
>>>
>>>> > So, it seems that either k3b, cdrecord, or the drive, no longer will
>>>> > accept -R or 0RW disks.
>>>
>>>or -RW disks.
>>>
>>>> cdrecord -prcap
>>>>.
>>>> will display all this informaation on the capabilities of your DVD
>>>> drive.
>>>
>>>That's very interesting. It says that the drive can burn DVDs up to 6x.
>>> The only format of DVD that it claims to write is DVD-R - the very one
>>> that was giving me problems. DVD+R and DVD+RW are not mentioned at
>>> all. The drive must be older than I thought!
>>
>>No. Cdrecord has no knowledge of DVD+Plus, won't list it, and can't
>>actually burn it. I suspect that some drives attempt to translate
>> DVD-Dash commands to burn Plus media if that's what's in the drive,
>> which would be why it seems to work in some cases.
>
>Which probably goes a long way toward explaining the occasional failure
>I've had. I have both types of media on the shelf ATM.
>
>>Growisofs does know about DVD+Plus. For Plus media one should use
>>growisofs and not cdrecord.
>
>Ok, I'll buy that, but where do we configure k3b to guarantee that?
...
I don't know. I don't know if k3b can use growisofs at all. I don't use
the GUI wrappers for burning CDs or DVDs, as burning seems problematic
enough that the wrappers cannot be trustworthy. I use the growisofs
command line for DVDs, and the cdrecord command line for CDs. I save the
commands I've used in a file with some comments, so I can use them again
later.
____________________________________________________________________
TonyN.:' <mailto:tonynelson at georgeanelson.com>
' <http://www.georgeanelson.com/>
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