Re: How to recover data from a defective CDROM
- From: Gene Heskett <gene.heskett@xxxxxxxxxxx>
- Date: Thu, 21 May 2009 09:49:34 -0400
On Thursday 21 May 2009, Jonathan Ryshpan wrote:
On Wed, 2009-05-20 at 22:28 -0400, Gene Heskett wrote:
On Wednesday 20 May 2009, Jonathan Ryshpan wrote:
My computer is no longer able to read a CDROM with some fairly valuable
data. I have been able to read this CDROM successfully in the past.
An attempt to get some data using cat fails:
# cat /dev/sr0
cat: /dev/sr0: Input/output error
Can this drive still read other cd's? Also, if the cd really is
scratched, there are treatments to restore them at your local Wally World
I believe. In a one time pinch, you could use a century old darkroom
technique we used for scratched negatives since long before my time, rub a
bit of the grease from the side of your nose into the scratch.
But I'd almost bet a new drive would read it as it is.
The drive does read other CDs without trouble. It's almost new; I
bought the system in March. Two other systems, both old but reliable
won't read the CD either. The CD has no visible scratches; a little
grease didn't help.
Thanks - jon
How old is the CD, and is it pressed or burnt? There are stories going around
that even pressed ones have a short lifetime. I lost one of my later Johnny
Cash disks a year ago. Looking at it, it looks like it was never recorded,
its all gone.
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