My cd's were in a cd case, with about 100 others. It stayed zipped up in my about 98% of the time. That's a good article, I read it then but then, haven't ordered any.
On Fri, Dec 18, 2009 at 11:55 AM, Louise Power <power_lou...@hotmail.com>wrote: > Clover, > > Has she said anything about the gold archival CDs and DVDs? There's an > interesting article on choosing archival media (written in 06, but with > updates) at > > > http://adterrasperaspera.com/blog/2006/10/30/how-to-choose-cddvd-archival-media > > Louise > > ------------------------------ > Date: Fri, 18 Dec 2009 10:34:44 -0700 > From: cclam...@swca.com > To: Texascavers@texascavers.com > Subject: RE: [Texascavers] Re: archiving your cave data > > > My sister in-law is an archival librarian with the State library in > Austin. She was just railing on CDs & DVDs and how "archivally poor" they > are for permanent data storage, even when kept in the most pristine "air & > light tight" conditions in an archival library. > > She and the state library still swear by microfiche and other silver coated > films for permanent archival data storage. > > Ah technology at its finest! > > Clover Clamons > cclam...@swca.com > > > ------------------------------ > *From:* John Greer [mailto:jgr...@greerservices.com] > *Sent:* Friday, December 18, 2009 11:27 AM > *To:* Texas Cavers > *Subject:* Fw: [Texascavers] Re: archiving your cave data > > For those interested, we burned data onto a "permanent" DVD for a friend > a year ago. They left it open in the office under florescent lights. It is > now defunct. Apparently everybody but us knew that florescent lights destroy > CD/DVDs. > > John > > > ----- Original Message ----- > *From:* Glen Goldsmith <glen.goldsm...@gmail.com> > *To:* texascavers@texascavers.com > *Sent:* Friday, December 18, 2009 9:41 AM > *Subject:* Re: [Texascavers] Re: archiving your cave data > > http://en.wikipedia.org/wiki/CD-R#Expected_lifespan > > In short, Mixon is right - you'll have to copy the contents of a CD-R/DVD-R > pretty often. More so than 20 years though. I've read an article, can't > remember where - that said a CD-R that could last 10 years was pretty good. > Organizing cd/dvd's by age seems like a good idea for this. Who's got the > time for that though? > > In the process of moving, I was able to get data off of CD-R's (single > speed, gold backed) as late as 1996. Silver backed single speed CD-RW's > written around this time were completely unreadable, causing me to lose some > data from that era. > > Just don't be fooled that they'll last 20 or 30 years. In my personal > experience, they don't. > > Glen >
