How To Copy DVD to ISO File
Stefan Bethke
stb at lassitu.de
Wed Aug 19 20:08:11 UTC 2009
Am 19.08.2009 um 21:37 schrieb Drew Tomlinson:
> I'm using 8.0-BETA2 and have a SATA DVD drive. I'd like to take a
> DVD and create an ISO file from it. I have not done this before on
> FreeBSD.
>
> I've googled and it appears it should be as simple as:
>
> dd if=/dev/<dvd drive> of=/path/to/ISO
>
> So I figured out that my DVD drive is seen as /dev/acd0 and verified
> that it's accessible with "mount -t 9660 /dev/acd0 /mnt". After
> doing so, I can 'ls' files on /mnt. Then I unmounted the drive.
>
> So to create my ISO, I issued this command:
>
> dd if=/dev/acd0 of=DVD.iso
>
> But get this output:
>
> dd: /dev/acd0: Invalid argument
> 0+0 records in
> 0+0 records out
> 0 bytes transferred in 0.000132 secs (0 bytes/sec)
>
> I googled some more and thought that loading atapicam.ko might
> help. But yet I get the same error when using /dev/cd0.
>
> So what am I doing wrong?
The driver only supports reads of blocksized chunks, so:
$ dd if=/dec/acd0 bs=2048 ...
should work.
Stefan
--
Stefan Bethke <stb at lassitu.de> Fon +49 151 14070811
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