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An Australian researcher has worked out how to store 1000TB on a CD

sciencealert.com.au

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Re: An Australian researcher has worked out how to store 1000TB on a CD

#51

Post by Someone »

A big problem with spinning disks is that storage grows inversely with the area of the dots, while reading and writing speed grow inversely with the diameter of the dots.

If you store 100 times as much data, all else being equal, time to write a full disk will be ten times as large.

Ways around that are increasing rotation speed (been there, done that. There is little to gain here without making the disk a lot stronger = heavier, if that is really possible at all) and using multiple heads (harder to do, but may eventually be the better solution, certainly if one can completely do away with head movements)

Re: An Australian researcher has worked out how to store 1000TB on a CD

#52

Post by crb »

toomuchtodo wrote: post #45
ctdonath wrote: post #25

Earlier quoted context omitted.

Bandwidth. What if I could hand you the totality of Netflix, iTunes, etc.? Not wait for it to download, but transfer large chunks of the Internet in seconds? and no longer have to hope that, say, Netflix won't lose vast sections of their library for contractual reasons (as it has done of late)? Backups: permanent archiving of everything you have all on one disc. It makes vast swaths of data yours, in your hand, under…

Netflix would put the entire catalog in your home, encrypted, and the only data they would have to transfer would be for the control plane (billing, recommendations, etc) and encryption keys to auth you. Totally side-steps last mile monopolies as well. Don't want to work with us? We'll drop an LTE chipset in as well for the admin stuff. Redbox In Your Home.

This is how Doom/Quake was distributed on CD - first episode free, call iD for the unlock code.

Re: An Australian researcher has worked out how to store 1000TB on a CD

#53

Post by egamble »

One hopes that the write speed of these disks will be proportionately faster than DVD write speed. A DVD writing at 16X transfers about 22MB/s. At that rate it would take 1.44 years to fill up this disk writing to it continuously. Even at 1GB/s (roughly the write speed of an SSD) it would take almost 12 days to fill up one of these disks.

Re: An Australian researcher has worked out how to store 1000TB on a CD

#55

Post by kedean »

krapp wrote: post #33
woodymcpecks wrote: post #19

Seems a little past it's prime. Why would you want this when you have the internet?

"the internet" is a more fragile medium than a disk, that's why. High-density, cheap, persistent data storage is critical to make sure that most of the cultural expressions of the last few generations don't vanish into a black hole sooner than later. It's our version of ancient Babylon's cuneiforms etched in wet clay. Just imagine how much crap Jason Scott could fit into a storage container with these. A lot of crap.…

I'm skeptical that this won't be extremely fragile, physically. With details that small, the slightest scratch could erase large swaths of data.

Re: An Australian researcher has worked out how to store 1000TB on a CD

#57

Post by icpmacdo »

toomuchtodo wrote: post #43
waqf wrote: post #26

Earlier quoted context omitted.

Books are small enough that this has pretty much already happened (search for "library genesis").

Thank you for that.

Everything I find related to that seems to have been shut down, are you getting better luck?

Re: An Australian researcher has worked out how to store 1000TB on a CD

#58

Post by sauere »

chimeracoder wrote: post #35
krrrh wrote: post #18

If this is real and can be commercialized it could lead to some pretty devastating fallout for the entertainment industry. You've got to know that there are a few obsessive archivists out there with pretty comprehensive collections of films spread across rooms of RAID arrays. When they can start backing those collections up for friends onto a single disc, ie a single disc that has more films than you could possibly w…

As of a couple of years ago, the entire content of The Pirate Bay[0] was under 100MB[1]. Think about that for a moment - it's the index for one of the largest collections of publicly available content in the history of humanity, and it fits in my wallet 80 times over[2]. [0] Not the P2P content that people download - just the main site itself, containing all of the magnet links, etc. TPB's 'content' is literally just…

Why would you want that? The magnet links alone are rather useless. The whole site can be crawled within 2-3 days easily. There are ~1.2 million torrents indexed, lets just assume that a single magnet-link plus some metadata is 0,5-1kB... so that would be an total of ~1GB data.

Re: An Australian researcher has worked out how to store 1000TB on a CD

#59

Post by dmn001 »

chimeracoder wrote: post #35
krrrh wrote: post #18

If this is real and can be commercialized it could lead to some pretty devastating fallout for the entertainment industry. You've got to know that there are a few obsessive archivists out there with pretty comprehensive collections of films spread across rooms of RAID arrays. When they can start backing those collections up for friends onto a single disc, ie a single disc that has more films than you could possibly w…

As of a couple of years ago, the entire content of The Pirate Bay[0] was under 100MB[1]. Think about that for a moment - it's the index for one of the largest collections of publicly available content in the history of humanity, and it fits in my wallet 80 times over[2]. [0] Not the P2P content that people download - just the main site itself, containing all of the magnet links, etc. TPB's 'content' is literally just…

> the entire content of The Pirate Bay > Not the P2P content that people download

I think you're confusing different definitions of 'content' here. Also, there are many more sites that have publicly available indexes of other links much greater than the pirate bay, google.com for example.

Furthermore, 8GB is relatively small for a flash drive nowadays, e.g. here is an 128GB micro sd card: http://www.amazon.com/dp/B00M562LF4

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