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the best archival media

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the best archival media

Postby islander on Tue Feb 14, 2006 4:42 am

What is the best archival media. Is it CD-R, DVD-R or DVD-RAM.
This is from osta.org:
«Generally speaking, manufacturers claim life spans ranging from 30 to 100 years for DVD-R and DVD+R discs and up to 30 years for DVD-RW, DVD+RW and DVD-RAM.»
Is there any review that compare CD-R and DVD-R with DVD-RAM media.
And what software can i use for testing writing quality of DVD-RAM media.
Thanks
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Postby CowboySlim on Tue Feb 14, 2006 12:56 pm

When it comes to 30-40 year lifetimes for CD/DVD media, they are only guessing.

The only media for which we have that type of real data is:

PUNCHED CARDS! :P
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Postby hoxlund on Wed Feb 15, 2006 12:35 pm

what about when the nuclear wars of 2014 comes? punch cards might burn, just might
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Postby dolphinius_rex on Wed Feb 15, 2006 12:54 pm

hoxlund wrote:what about when the nuclear wars of 2014 comes? punch cards might burn, just might


Punched Titanium then?
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Postby CowboySlim on Thu Feb 16, 2006 1:21 am

I store my backup punched cards in an old, '50s bomb shelter at a constant relative humidity of 45.23% and an atmosphere of 99.99% pure dehumidified nitrogen.

Before storing I have all my cards treated with an anti-fungal agent, an STD depressant, a light mist of spermacide, hebacide, Herbalife, WD-40 and a light topical treatment of a secret Teflon based release agent so that the card reader can separate them easily.
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Postby dolphinius_rex on Thu Feb 16, 2006 3:09 am

CowboySlim wrote:I store my backup punched cards in an old, '50s bomb shelter at a constant relative humidity of 45.23% and an atmosphere of 99.99% pure dehumidified nitrogen.

Before storing I have all my cards treated with an anti-fungal agent, an STD depressant, a light mist of spermacide, hebacide, Herbalife, WD-40 and a light topical treatment of a secret Teflon based release agent so that the card reader can separate them easily.


I have a strong belief that if Monty Python ever reformed, you could easily join their troupe. The effort you put in to your wit is almost at scary levels! :o
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Postby Scour on Thu Feb 16, 2006 6:13 am

Hello!

I try to get back to topic ;)

I don´t believe in 30 years, I can´t image my optical media is in 30 years still readable, when some of my CDs almost unreadable after 2 years.

The best media in stabilty is Verbatim (MCC). Take a look at this threads:

http://www.cdrlabs.com/phpBB/viewtopic. ... 231#142231
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Postby dolphinius_rex on Thu Feb 16, 2006 11:18 am

If your burner is compatible with it, Optodisc's A Grade 8x DVD-Rs (The means Samsung or Acro Circle brand) are highly stable. They take high points in every stability test I've seen them in, holding their own against Verbatim in every case (excpt Scour's link, where Verbatim 8x DVD-Rs pulled a little ahead).

I know people are going to jump down my throat for posting this, but the test data *IS* there to back it up. (TDK made in Luxembourg is also a good choice!)

Do *NOT* use Taiyo Yuden media!
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Postby islander on Thu Feb 16, 2006 5:36 pm

Thank you Scour, but i had read that thread (about c't review) and many others before posting my question and didn't find answer.
Dolphinius_rex, what tests can back up your statement about Optodisc and TY.
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Postby dolphinius_rex on Thu Feb 16, 2006 9:01 pm

Code: Select all
Name and brands             MID           Mech.Ind.  PowM  Writ  Comp  Speed Stab.

Optodisc (SK)               OPTODISCR004    2 / -     --    0     0     --    ++
Optodisc                    OPTODISCR008   60 / +     0     0     -     -     +
Taiyo Yuden                 TYG02          70 / +     +     0     0     -     --


From the link Scour posted.

Look at the stability scores in particular! Now ok, the 4x DVD-Rs weren't that good for mechanical index of overall burn quality, but the 8x DVD-Rs are fine, and are MUCH more stable then Taiyo Yuden in terms of lifespan.

I think C't should be good enough for now. Further data will be available in a couple months I expect :D
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Postby islander on Fri Feb 17, 2006 6:02 am

Thanks, i forgot that issue about TY. Anyway Mitsubishi Chemicals, TDK and CMC would be my choice (DVD-R 8X) from that review.
But it seems there is no test like that that include DVD-RAM media.
And there is no software for checking DVD-RAM media writing quality.
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Postby RJW on Fri Feb 17, 2006 6:53 am

Befor raving about verbatim which performed so good in so many tests I like to link to the following.
You should have known me as the bringer of the bad news. MHUUHAHAHAAH :evil:


http://www.bitburners.com/option,com_sm ... opic,247.0
(yeah there should also be same info on cdfreaks but Ihave huge problems with there forum at the moment. Let's hope they fix it soon.!!)


So it looks like there might be some problems with some verbatim media.

Now the question people will ask is:
WHen do you bring good news because each time we think we have something good and safe you show up and proof it's not that good ?

Well I can't do anything I'm just the messenger. :-?
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Postby stix on Fri Feb 17, 2006 7:20 am

RJW,

I don't get it.

Why would anyone expect a DVD to withstand 80 degrees Celsius?
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Postby dolphinius_rex on Fri Feb 17, 2006 11:16 am

Well... there ARE problems with Verbatim, but I don't have any test data to proove it. It's kind of like I've seen some data that shows Memorex to be as stable as TDK in terms of lifespan, but we all know how consistant Memorex media is from disc to disc and batch to batch! Verbatim outsources to too many companies in my opinion, and even though they work VERY hard to keep their quality top notch, mistakes do happen, and cannot be completely prevented. This is really true for EVERY brand of media, but when you outsource to as many companies as Verbatim does, the risk goes up a fair bit.

Which brings me back to why I always use Acro Circle and Maxell Professional grade (Plus Series in North America) media for my own use.
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Postby frank1 on Tue Feb 21, 2006 6:15 am

dolphinius_rex wrote: . . .
Optodisc's A Grade 8x DVD-Rs (The means Samsung or Acro Circle brand) are highly stable. They take high points in every stability test I've seen them in,

Code: Select all
Name and brands             MID           Mech.Ind.  PowM  Writ  Comp  Speed Stab.

Optodisc (SK)               OPTODISCR004    2 / -     --    0     0     --    ++
Optodisc                    OPTODISCR008   60 / +     0     0     -     -     +
Taiyo Yuden                 TYG02          70 / +     +     0     0     -     --




I bought some "OPTODISCR008" sold under the label DVD-R 8x Deja
and the burns where quite good:
http://www.cdrlabs.com/phpBB/viewtopic. ... 9&start=24


Si I like to know if in terms of conservation these Deja brand discs do or not belong to these
« Optodisc's A Grade 8x DVD-Rs (The means Samsung or Acro Circle brand) »
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Postby RJW on Tue Feb 21, 2006 10:05 am

80 degrees should not give the pictures the verbatim disc had at bit burners.

It should be able to handle that conditions much better if you seen verbatims own test results.
Why do you think Verbatim/ MKM wanted some of these disc's of the guy who was testing them !!
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Postby dolphinius_rex on Tue Feb 21, 2006 12:58 pm

Hey frank1,

I'll check with my Optodisc contacts to see how that brand stacks up. In Europe however, pretty much all Optodisc is B grade, as it's used as a dumping ground. Really Samsung and Acro Circle are the safest bets there especially!! But like I said, I'm double checking for you :)
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Postby frank1 on Tue Feb 21, 2006 7:46 pm

Thanks, thanks a lot dolphin !

What you are guessing
dolphinius_rex wrote: In Europe however, pretty much all Optodisc is B grade, as it's used as a dumping ground

sounds right to me because these Deja DVD-R 8x discs where really cheap
but they where sold at a "new big opening" and they burned well
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Postby dolphinius_rex on Tue Feb 21, 2006 10:43 pm

frank1 wrote:Thanks, thanks a lot dolphin !

What you are guessing
dolphinius_rex wrote: In Europe however, pretty much all Optodisc is B grade, as it's used as a dumping ground

sounds right to me because these Deja DVD-R 8x discs where really cheap
but they where sold at a "new big opening" and they burned well


Sadly, my contact (North American based) has no idea. And since it's not a major brand like Samsung or Emtec or similar, it's not likely he'll be able to find out. I'd still venture a guess that the media is B grade, which means it can vary in quality quite a bit... but that doesn't mean it will ALL be bad quality.
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Postby Grain on Wed Feb 22, 2006 6:15 pm

If a DVD lasts 10 years, that's all I'll ask out of it. I have 2 big boxes of VHS tapes I'm going to throw away, and a box of LD's I'm keeping for interests sake, but haven't watched in 4 years. Like all technology, DVD's too will fall by the wayside and out of vogue. Heck, we'll be able to transfer 10-20 DVD's (or more) to one Blu-Ray disc cheaply within a few years, and who knows where we'll go from there. A 200GB thumb drive perhaps? The sky and imagination is the only limit.
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