[game_preservation] Game disc wear questions

[Jose P. Zagal]

If I recall correctly, the data is actually stored on layers that are 
closer to the top of the disc (thus, top scratches are generally unfixable).


Jose


Andrew Armstrong wrote:

> Don't personally burnt disks have a really low life (especially if not 

> stored correctly) due to the dye they use or whatever? (Probably 

> wikipedia has an answer :) ). I am sure there needs to be some kind of 

> reflective layer to read anything though, yeah. People who scratch the 

> *top* of disks accidentally can render them unusable!

> 

> Andrew

> 

> Devin Monnens wrote:

>> Sure, you can use that. This is just a sampling of 100 discs and is 

>> based on my personal experience. I don't have an adequate explanation 

>> for the dust or film on the discs though, especially the ones that I 

>> had purchased new. 

>>

>> I'll try and do a little more detailed analysis of the discs, as I 

>> noticed some of my burnt CD-R's are fading as well. If you can see 

>> through the disc, then it's completely unreadable, right?

>>

>> On Sat, Dec 19, 2009 at 7:41 AM, Andrew Armstrong 

>> <andrew at aarmstrong.org <mailto:andrew at aarmstrong.org>> wrote:

>>

>>     Wow, great first hand information rather then guesswork Devin! :)

>>

>>     Someone has contacted us recently about the lifetime of floppy

>>     disks. Can I put this up almost vertabim in a reference page on

>>     the IGDA wiki? I should start putting up some of the information

>>     people keep posting about media and how it fails over time (noting

>>     there is a section in our white paper on it too, which I'll also

>>     reuse).

>>

>>     Andrew

>>

>>     _______________________________________________

>>     game_preservation mailing list

>>     game_preservation at igda.org <mailto:game_preservation at igda.org>

>>     http://six.pairlist.net/mailman/listinfo/game_preservation

>>

>>

>>

>>

>> -- 

>> Devin Monnens

>> www.deserthat.com <http://www.deserthat.com>

>>

>> The sleep of Reason produces monsters.

>> ------------------------------------------------------------------------

>>

>> _______________________________________________

>> game_preservation mailing list

>> game_preservation at igda.org

>> http://six.pairlist.net/mailman/listinfo/game_preservation

>>