Use case: I want to be able to shoot several minutes of video on my cell phone and keep it backed up in the cloud without feeling like I've incurred a $1/year charge for the rest of my life.
Would you be willing to pay $1 for 100GB if it meant waiting 15 minutes to load your tape? How about 30 minutes?
1: http://www.newegg.com/Product/Product.aspx?Item=N82E16840999...
just trying to figure if there is any business behind your problem.
It's easily done. Is there a business strategy behind it? Not sure.
Edit: I didn't answer your question. If I backup to tape and put the tape somewhere offline, I can't get access to it without a physical trip. I'm willing to trade access latency for lower cost, but I still want to move bits and not atoms.
The tape device costs over $1000 - you would need more than 33TB of (uncompressed) storage space before that becomes worth it compared to buying hard disks and hot plugging them when needed.
I store everything on a NAS + another NAS as backup; it's a fairly safe setup as long as my house doesn't burn down, isn't flooded or burglarized.
I would love an offsite backup solution that would be cheap because of very slow reads: if my house burns down it'll be some time before I can access those backups anyway.
* Tape also has really nice compression (essentially you would be using the on-tape compression at least 95% of the time) with an average of about 2:1 (and often much higher). But you can also compress files on disk -- so it's just native storage.
Also -- Things like the SL8500 are such beautiful pieces of machinery. Computers + Robots = Awesome!
Editing to Add: LTO5 was released in 2010. LTO6 is likely to arrive this year with 3.2TB Native Capacity. (And the usual speed bumps of 50% Write // 100% Read speed). The roadmap for the tech is here: http://www.spectralogic.com/common/images/products/lto/lto5/...
Spun down hard drives would be a similar price. Not necessarily easier to work with.
1: http://www.engadget.com/2010/02/20/sharkoons-usb-3-0-sata-hd...
These are great examples of something which could be commodified so a provider could amortize them across many customers but the margins are continually tightening.
ie. my employer offers a OS based service (slightly lower rates, upload is free, based in UK): http://www.memset.com/cloud/storage/