better use safety googles, they really do shatter randomly.
jco

-----Original Message-----
From: P. J. Alling [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, January 03, 2006 9:48 PM
To: [email protected]
Subject: Re: And what about storing the CDs/DVDs?


I don't cut them, I snap them, they shatter quite nicely.

Kenneth Waller wrote:

> In the FWIW category -
>
> In an effort to render confidential material (jpeg images)  on a CD
> unreadable, I started placing 2 deep scratches - made with one half of 
> a scissor - across the diameter of a CD, 90 degrees apart. After 
> "destroying" several CD's this way, I decided to see what effect this 
> had on the data on the CD
> I was dumbfounded that it had no decernable effect on the readability 
> of the data.
>
> I now cut the CDs in two!
>
> Kenneth Waller
>
> ----- Original Message ----- From: "J. C. O'Connell" 
> <[EMAIL PROTECTED]>
>
> Subject: RE: And what about storing the CDs/DVDs?
>
>
>> yes, of course its always best to handle and store the
>> DVD discs carefully as possible, but my story of experiences with 
>> hundreds of heavily scratched library ones ( which you edited out), 
>> clearly demonstrates that they are not as fragile/ physically 
>> corruptible as most people would assume they are. I was in disbelief 
>> myself when nearly all of these discs were playable/readable. They 
>> were way beyond anything I had ever seen in terms of the quantity and 
>> magnitude of scratches. I wouldn't of posted that if I hadnt 
>> experienced it first hand because it really is unbeliveable how much 
>> scratching is tolerated.... I am using about a 2 yr old sony 
>> DVD-video 5 disc player and dedicated DVD-ROM only drive (samsung) in 
>> my PC during that time. Your mileage may vary. Im sure some drives 
>> are better than others for scratch immunity... jco
>>
>> -----Original Message-----
>> From: Godfrey DiGiorgi [mailto:[EMAIL PROTECTED]
>> Sent: Tuesday, January 03, 2006 7:58 PM
>> To: [email protected]
>> Subject: Re: And what about storing the CDs/DVDs?
>>
>>
>>
>> On Jan 3, 2006, at 3:14 PM, Rob Studdert wrote:
>>
>>>> ... DVDs in my experience are not realy that physicallly sensitive 
>>>> to dust ( can be wiped off) or even lots of light scratches. ...
>>>
>>
>> I have seen plenty of cases where DVDs in particular do not play 
>> correctly due to scratching, less so for CD media, and this is for 
>> commercially produced CDs/DVDs, which are a lot more robust than CD-R 
>> and DVD-R media. Caution in handling and storage is always a good 
>> idea for sensitive data, whether you've had good or bad experience 
>> with the media. Multiple backups is always the safest course of 
>> action.
>>
>> One of the advantages of large capacity hard disk storage is that 
>> very large libraries of data can be periodically checked and verified 
>> easily and quickly, without physically having to mount and dismount 
>> large numbers of devices. Handling is the biggest source of damage to 
>> any media, film included. Any open-to-the-air, interchangeable media 
>> device is, by its very nature, more prone to damage than a sealed 
>> hard disk's platters. Notwithstanding the frangibility of portable 
>> hard drive devices (where you've made a tradeoff in reliability/ 
>> durability for the advantage of portability) HDDs have significantly 
>> greater MTBF ratings compared to any floppy or other open-platter 
>> storage device.
>>
>> Godfrey
>>
>
>


-- 
When you're worried or in doubt, 
        Run in circles, (scream and shout).

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