> > From: "Kenneth Waller" <[EMAIL PROTECTED]> > Date: 2006/01/04 Wed AM 01:57:56 GMT > To: <[email protected]> > Subject: Re: And what about storing the CDs/DVDs? > > 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
Do it on the label side and it will work. That's the side that is fragile. Virtually any damage there will make the CD/DVD unplayable in that area and beyond. If you damage near the centre, the whole thing should become unuseable. m > > ----- 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 > > > > ----------------------------------------- Email sent from www.ntlworld.com Virus-checked using McAfee(R) Software Visit www.ntlworld.com/security for more information
