DVD-R

Josh Nalli j.nalli at cox.net
Mon Jun 23 19:00:44 MST 2008


On Sunday 22 June 2008 11:27:20 am Matt Graham wrote:
> After a long battle with technology, Donn wrote:
> > On Sat, Jun 21, 2008 at 11:43 AM, Josh Nalli <j.nalli at cox.net> wrote:
> >> How come my computer doesnt recognize my dvd-r?  it recognizes a cd-r. 
> >> I am using K3b to burn stuff to it.  I have Mandriva Linux.
>
> There is not quite enough information here to really diagnose the problem. 
> Is the DVD-+R IDE, SATA, or USB2?  Does it work for reading discs?
>
> > Open K3B and go to Settings; Configure K3B; Devices and check to see if
> > your drive is setup properly. You might have to press the 'Refresh'
> > button.
>
> Better:  Check the output of "dmesg | grep DVD" and make sure the kernel
> has recognized the device.  Like so:
> mallory:~$ dmesg | grep DVD
> hdc: ATAPI 48X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache, UDMA(66)
>
> ...so it's there.  Then check permissions:
>
> mallory:~$ ls -l /dev/hdc
> brw-rw---- 1 root cdrom 22, 0 Jun 15 06:13 /dev/hdc
>
> ...full access for anyone who's in the cdrom group, so that's all right. 
> k3b works fine for me here.
>
> > If that doesn't work, you might try adding a new drive and deleting
> > the old one.
>
> This should only be necessary if the new drive has a different device name
> from the previous time you used it.  That can easily happen with USB2
> devices, and can also happen with SATA deices.  Most distros running udev
> have some set of rules called 70-persistent-cd.rules or something that will
> generate persistent symlinks for CD-like storage devices, even if the
> devices move across IDE connections after a reboot.
>
> > FWIW, I had a similar problem with a Plextor drive that stopped working
> > for DVD-Rs, but still worked for CDRs. I replaced the drive and the new
> > one works fine.
>
> Yay for hardware failures, I guess.

what is a DVD-+R?  I said it was a DVD-R.  What does sata or usb have to do 
with it?  do you want to know the model number or something?  I said that it 
can read cd-r's.  So yes. it can read disks.......


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