Recovering data from duff CDROM ?

External Since: Nov 20, 2008 Posts: 33

On 2009-11-02 17:05, Pascal Hambourg wrote:
> Hello,
>
> bb a écrit :
>> There is a tool named ddrescue that can continue to read even if you get
>> block errors, and if you save it to a file, and once you have the file,
>> try to play it with mplayer to see if there is any hope at all to get the
>> mp3 files back.
>
> Will mplayer be happy to be fed with a filesystem image ?
> If not, you can try to recover files from the filesystem image with
> photorec, which is part of the testdisk package.

Mplayer is amazing, it can mostly play an iso or image of a complete DVD and
with some magic figure out how to play it.

What I mean is that _IF_ mplayer find the data and start to play it, it's also
possible to save the songs as files.

But in any case, a file image of the CD is needed for a recovery, since it can
fail and it's good to keep the original copy for a new try.

/bb

External Since: Nov 09, 2008 Posts: 4

Mike Jones <Not DeleteThis @Arizona.Bay> wrote:

>Responding to philo:
>
>> Mike Jones wrote:
>>> Responding to philo:
>>>
>>>> Mike Jones wrote:
>>>>> I burned a CDROM a short while back, and now can't get the damn thing
>>>>> to mount (even though it would have been checked as OK prior to
>>>>> storage). As its got data on it that is no longer available from
>>>>> source, I'm wondering if anybody has any favorite tricks they've used
>>>>> to force a mount.
>>>>>
>>>>> Its a cheapo Memorex thing from some supermarket, and the data was
>>>>> originally on an ext2 file system. The data is a collection of MP3
>>>>> lectures, and was burned as data (not as an audioCD) to this CDROM
>>>>> using Brasero on a Zenwalk-5.2 OS.
>>>>>
>>>>> I've tried the usual "auto" and "ext2" mount options, and the "-s"
>>>>> sloppy mount flag, but the best I can manage is a lot of disk
>>>>> spinning, followed by a report that the resource is read only (its
>>>>> not) and a mount screen report about "No such file or directory"
>>>>> available.
>>>>>
>>>>> Just to be sure I'd actually managed a burn in the first place, I
>>>>> dropped the disk into a burn process in XFburn (the app I'm currently
>>>>> using on Slackware) and, as expected, got a report that the CDROM
>>>>> disk was full.
>>>>>
>>>>> There is no visible evidence of damage on the disk itself. Its shiney
>>>>> new.
>>>>>
>>>>> I'm open to suggestions about now. Clues anyone?
>>>>>
>>>>>
>>>>>
>>>> try it on another machine
>>>
>>>
>>> Done that already.
>>>
>>>
>>>
>>
>>
>> there's a windows utility call iso buster that I've used with good
>> results. don't know if there is a Linux equiv
>
>
>Doubtless. It might be a combination of things called in one commandline
>though. I guess I'm going to end up learning it. ;\

I've used CDFS to rescue a friends photos in the past. It doesn't
appear to be supported recently but its located:
http://users.elis.ugent.be/~mronsse/cdfs/

Good luck!
--
-------------------------------------------------
http://www3.sympatico.ca/dmitton
SPAM Reduction: Remove ".invalid" from my domain.
-------------------------------------------------