Digital archiving tools

Teo Zenios teoz at
Sat Mar 12 13:53:54 CST 2011

I have used DDS DAT for years, currently trying out DLT and AIT2 drives 
(nice to have a 50GB native tape). While I have 100's of burnt CDs that are 
15 years old by now, I don't think DVDr will be as good. And I still mess 
around with MO drives for my old gear, picked up a few more drives in the 
last year incase mine fail.

----- Original Message ----- 
From: "Shoppa, Tim" <tshoppa at>
To: <cctalk at>
Sent: Saturday, March 12, 2011 1:25 PM
Subject: Re: Digital archiving tools

> Friends don't let friends store their archives on a media that requires 
> physical contact
> with a read/write head.

As a data point: All of bitsavers fits on 27 DVD-R's.

I'm told that Blu-Ray recordables store 25GB (single layer) or 50 GB (dual 
layer) but I'm
not at the leading edge of media adoption. Only in the past year have I 
admitted that DVD-R might be halfway decent for everyday use, but I still 
don't trust
anything but Gold CD-R for longer term use.

The mainframe people use cartridge-loaded WORM media which is 60 GB per 
cart. I think
it's magneto-optical but who knows, maybe it's really closer to Blu-Ray type 
technology. For
a while (back in the 600 Mbyte/cart era) I was a big fan of the 5.25" 
magneto optical
carts but CD-R and DVD-R is so easy that I have a hard time going back. 

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