Re: [gentoo-user] Damaged CD medium

[<wabenbau@gmail.com>]

Mick <michaelkintzios@gmail.com> wrote:

> Hi All,
> 
> I was given a CD with some pictures, but I am not able to mount it.
> This is what dmesg reveals:
> 
> [ 7791.880206] sr 1:0:0:0: [sr0]  
> [ 7791.880211] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> [ 7791.880215] sr 1:0:0:0: [sr0]  
> [ 7791.880217] Sense Key : Hardware Error [current] 
> [ 7791.880224] sr 1:0:0:0: [sr0]  
> [ 7791.880229] Add. Sense: Timeout on logical unit
> [ 7791.880233] sr 1:0:0:0: [sr0] CDB: 
> [ 7791.880236] Read(10): 28 00 00 00 00 00 00 00 02 00
> [ 7791.880252] blk_update_request: I/O error, dev sr0, sector 0
[...]
> I tried on different PCs and I am getting the same error.  Shall I

Have you tried it with different CD drives or have you used always the
same (external) drive? If you are testing several CD drives you maybe
will find one that is able to read the damaged CD.

> forget about it, or is there some means by which I can recover the
> files on it?

This depends on how the CD is damaged. If it is damaged by scratches
then you maybe can polish them away. Many years ago I've seen CD polish
sets available in some online shop, but I never tried this out.

If there are no scratches and it is a self burned CD then I fear you
will have no chance to restore the data.

I don't know if there is a way to restore the data with some special
software program. Maybe you should search for that on google.

Good luck.

--
Regards
wabe