Ubuntu 7.10 and DVD-RAM

Owen Townend owen.townend at gmail.com
Wed Apr 23 16:41:41 UTC 2008


On 24/04/2008, Ioannis Vranos <ivranos at freemail.gr> wrote:
>
>
> > Hey,
> >   The first issue - capacity - is a simple fix. Physically remove the
> disk, flip it over, re-insert.
>
>
>
> However 4.3* 2< 9.4 GB


Hey,
  This is the same issue as formatting hard disks and not seeing the
full capacity.
  The disks are advertised as literally 4.7 billion bytes per side which
when formatted comes out as 4.7x10^9 / 1024^3 = 4.377216101GB.

>   The other issue is that DVD-RAM disks are recognised as hard disks,
> > rather than trying
> > Nero, you should be able to navigate to the mount (usually /media/disk
> > or similar)
>
>
>
> It automounts it under media/cdrom0 as read-only and it doesn't paste.
>
>
> My /etc/fstab:
>
> john at john-desktop:~$ cat /etc/fstab
> # /etc/fstab: static file system information.
> #
> # <file system> <mount point>   <type>  <options>       <dump>  <pass>
> proc            /proc           proc    defaults        0       0
> # /dev/hdc3
> UUID=d8190421-05fc-4644-ad51-3164c4a8ab33 /               ext3
> defaults,errors=remount-ro 0       1
> # /dev/hdc2
> UUID=3d48355b-d6da-475f-a418-be481dbfdf4f /boot           ext3
> defaults        0       2
> # /dev/hdc1
> UUID=7a84ed6b-0635-4380-9e71-b61ea6ca18d1 none            swap    sw
>           0       0
> /dev/hda        /media/cdrom0   udf,iso9660 user,noauto,exec 0       0
> /dev/fd0        /media/floppy0  auto    rw,user,noauto,exec 0       0
>
> john at john-desktop:~$
>
>
> I had modified the line
>
> "dev/hda        /media/cdrom0   udf,iso9660 user,noauto,exec 0       0"
>
> to
>
> "dev/hda     /media/cdrom0   udf,iso9660 rw, user,noauto,exec 0       0"
>
>
> and it allowed to paste, but when I tried to paste I got a read-only
> error.
>
>
>
>
> > and
> > read/write directly same as a USB thumb-drive.
>
>
>
> Do you use DVD-RAMs? If yes may you post your /etc/fstab?


Sorry, I haven't used one since I left my last job late last year.
A few things to check though:
  Check your permissions and/or try writing as root.
  Try formatting it as ext3 to rule out a udf issue.
  If the disk is in a
cartridge check that there isn't a write-protect tab set.
    Though if you didn't get the errors when formatting then it is probably
not this.

cheers,
Owen.

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