On Mon, 2006-10-23 at 09:17 +0200, Dotan Cohen wrote: > On 23/10/06, Carroll Grigsby <cgrigs@xxxxxxxxxxxxx> wrote: > > At some point in time it was reported that the inks commonly used in > > marking pens contained solvents that could degrade the disk material > > over time, which led the Sharpie people to market a special CD/DVD > > marker for the purpose. Yeah, I bought one. > > I'm not contradictining you, but recently I had a disk that was > scratched on the label side and would not read. I could literally see > through the scratch. I took a Black marker -Artline 70 - and coloured > over the scratch. Lo and behold- I could read the disc. > While that *may* work, I would guess that the scratch was outside the written data area on the disk and all you did was tell the drive that the unwritten portion of the disk was _not damaged_. A scratch in the data area of the disk would certainly have resulted in damaged data tracks and corrupt data (that may or may not have been correctable). The severity (width) of the scratch would also have been a factor. > Dotan Cohen > > http://what-is-what.com/what_is/love.html > http://essentialinux.com/linux-software.php >
