DVD Recordable Discs Have Shorter Lifespans Compared to CD-R

[longevityfreak]

Thank you for supporting my effort!

 

[SarcasticDwarf]

Your post is rather misleading. The LoC *always* conducts studies to determine the durability of any media it examines for use as an archival media. Thank you for being a tool.

 

[mercanucaribe]

Your ideas intrigue me and I wish to subscribe to your newsletter.

 

[n7]

I love the idiocy of the ATOT posters :roll:

Thanx for this info longevityfreak.

 

[0roo0roo]

i double burn important info. did that with cds too
luckily california is not humid at all.

 

[dighn]

This really sucks. Many people use DVDs for backing up stuff and if they go bad in a couple of years then it's rather unsettling. It would be very nice if there's some kind of effort to rate them so people can pick out the archive grade stuff instead of searching all over the net for which manufacturer made a particular brand/model/batch combination.

 

[pyonir]

I live in AZ, not much humidity here.

That said i always make two copies of every important DVD i burn, and date them so I know when they were burned. I'll probably copy them to new discs at around the 5 year mark.

 

[Rubycon]

Originally posted by: Eli
Would you all shut the fsck up?

The guy is trying to do us a favor by spreading information. If YOU all don't care that your DVD-R's are going to be worthless in a couple of years, then you should just stay out of the thread in the first place. :roll:

Continue, longevityfreak. Your knowledge is welcome here.

Indeed. This is one reason why all the members with valuable input to this forum are jumping ship and going elsewhere or into a recession called Lurkville.

 

[SSP]

Originally posted by: Eli
Would you all shut the fsck up?

The guy is trying to do us a favor by spreading information. If YOU all don't care that your DVD-R's are going to be worthless in a couple of years, then you should just stay out of the thread in the first place. :roll:

Continue, longevityfreak. Your knowledge is welcome here.

Yah, what the fsck is up with all these idiots? Don't be a icky Nick.

 

[longevityfreak]

Originally posted by: dighn
This really sucks. Many people use DVDs for backing up stuff and if they go bad in a couple of years then it's rather unsettling. It would be very nice if there's some kind of effort to rate them so people can pick out the archive grade stuff instead of searching all over the net for which manufacturer made a particular brand/model/batch combination.

I have discs which failed in as little as a few weeks when exposed to more than 80% relative humidity.

 

[Evadman]

i have CD's I wrote in college (on a 2x burner in '98) that I can not read any more. So the '100 years' of life is bullcrap anyway. Yes, they were in 'enviromentaly controlled' conditions.

 

[Reckoner]

Never really thought about the longetivity regarding dvd-r until your post--good information, thanks!

 

[edfcmc]

Originally posted by: Eli
Would you all shut the fsck up?

The guy is trying to do us a favor by spreading information. If YOU all don't care that your DVD-R's are going to be worthless in a couple of years, then you should just stay out of the thread in the first place. :roll:

Continue, longevityfreak. Your knowledge is welcome here.

ditto.

 

[longevityfreak]

This is a picture of the humidity reading in my room:

http://img.photobucket.com/albums/v150/...m-exposed-2hrs45mins-050515_010517.jpg

 

[CptObvious]

Originally posted by: longevityfreak
This is a picture of the humidity reading in my room:

http://img.photobucket.com/albums/v150/...m-exposed-2hrs45mins-050515_010517.jpg

do you live in the rainforest?

 

[LordMaul]

Longevityfreak:

I work for several local photography studios who use DVD-Rs (and in rare cases, CD-Rs) as the main form of archival backup. This is, of course, only for jobs that are finished and not needed for quick retrieval on the usually-massive server HDD storage setups, but for the DVD-Rs to be useless in a few years would be really quite alarming to a lot of people I work with regardless. I'm only the graphics guy, but if you could give me some good hard facts in the form of your trustworthy sources that I could present to the people responsible for using this media in the interest of improving the possibility that the data will remain accessible for as long as possible, I would be most grateful.

I figured I'd leave this in the thread as a bump for you and because it looks like there are several members here who may find this specific information helpful. Also, the link seems to not be loading for me... I'd do my own research on this (Google, for instance ) but it seems you have put a lot of time into this and I thought I'd help justify that for you.

 

[longevityfreak]

Weather Reporting by weather.com on Singapore:

Picture

 

[longevityfreak]

Originally posted by: LordMaul
Longevityfreak:

I work for several local photography studios who use DVD-Rs (and in rare cases, CD-Rs) as the main form of archival backup. This is, of course, only for jobs that are finished and not needed for quick retrieval on the usually-massive server HDD storage setups, but for the DVD-Rs to be useless in a few years would be really quite alarming to a lot of people I work with regardless. I'm only the graphics guy, but if you could give me some good hard facts in the form of your trustworthy sources that I could present to the people responsible for using this media in the interest of improving the possibility that the data will remain accessible for as long as possible, I would be most grateful.

I figured I'd leave this in the thread as a bump for you and because it looks like there are several members here who may find this specific information helpful. Also, the link seems to not be loading for me... I'd do my own research on this (Google, for instance ) but it seems you have put a lot of time into this and I thought I'd help justify that for you.

Hi,

Thank you for your enquiry.

You could find the supporting facts in the Central Database. You could find links to NIST, USAToday, U.N., NARA, Wall Street Journal Online, etc on the Contents Pages. You could also see reports of failures of DVD by other people on the Contents Page as well.

If you could not access the Database, it may be because the server is over-loaded. You may want to try re-loading your web page a few times.

 

[longevityfreak]

Page 65 and Contents Page updated with new information.

 

[Pepsei]

wow, very useful information, thanks.

 

[longevityfreak]

Originally posted by: Pepsei
wow, very useful information, thanks.

Thanks!

 

[longevityfreak]

PDF e-books on DVD Longevity / Lifetime / Degradation are now available for offline reading.

[1] Really Disappointed with DVD Discs Media

Filename: ebook.zip
Filesize: 124 MB
Version: 11 June 2006
Last Page of e-book: 66
md5sum: 35933fe5c7de68576f53fd41bdbcfd68

Download Link:

http://s5.quicksharing.com/v/5678953/ebook.zip.html

[2] Experimental Data on DVD Longevity

Filename: ebook.zip
Filesize: 9 MB
Version: 10 June 2006
Last Page of e-book: 13
md5sum: 45de8c4fb00fce89c7870adf86a884f8

Download Link:

http://s7.quicksharing.com/v/9697463/ebook.zip.html

[3] The Unofficial HWZ Surviving DVD Media Durability Scan Thread

Filename: ebook.zip
Filesize: 36 MB
Version: 11 June 2006
Last Page of e-book: 12
md5sum: 046cf448bb82ee92cff1c2641567eb95

Download Link:

http://s3.quicksharing.com/v/2936697/ebook.zip.html

***Please verify the md5sum of the file that you have downloaded to ensure that you have downloaded the correct file.

 

[longevityfreak]

PDF e-books on DVD Longevity / Lifetime / Degradation are now available for offline reading.

Please note that there are some broken links in the previous versions (10 & 11 June 2006) of e-books. These broken links have been fixed in the current version (15 June 2006). All hyperlinks in PDF files should work now.

The filesizes are so much smaller now and should take less time to download. The current version of e-books also features full color graphics.




[1] Really Disappointed with DVD Discs Media

Filename: ebookv2.zip
Filesize: 46 MB
Version: 15 June 2006
Last Page of e-book: 66
md5 checksum: c00a736c524499d1f8fb70c20229fde6

Download Link:

http://s9.quicksharing.com/v/5379432/ebookv2.zip.html


[2] Experimental Data on DVD Longevity @ cdfreaks

Filename: ebookv2.zip
Filesize: 2.55 MB
Version: 15 June 2006
Last Page of e-book: 13
md5 checksum: 55957ac5fb56084f28b14e3134766bd6

Download Link:

http://s2.gimehost.com/v/5434801/ebookv2.zip.html

[3] The Unofficial HWZ Surviving DVD Media Durability Scan Thread

Filename: ebookv2.zip
Filesize: 10 MB
Version: 15 June 2006
Last Page of e-book: 12
md5 checksum: 14652c226020be65d3f41e46ac9033e2

Download Link:

http://s9.quicksharing.com/v/4618437/1ebookv2.zip.html

***Please verify the md5 checksum of the file that you have downloaded to ensure that you have downloaded the correct file.

 

[longevityfreak]

There are some minor issues in viewing the latest version (15 June 2006) of the e-books with Adobe Reader 6.0 and 7.0.

In some PDF files, Adobe Reader will report "A drawing error occurred.".

You may want to try the FREE Foxit PDF Reader 1.3. I have tested it and there should not be any problems in viewing the PDF files.

To download the Foxit PDF Reader, click on the following link:

http://www.foxitsoftware.com/download.htm

 

[longevityfreak]

Any feedback with the e-books?