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Mega-DVDs -- 100GB Apiece

saitouhajime writes: "Matsushita is reporting that they've developed a method of storing 100 Gigabytes onto a standard sized dvd. Articles can be found here(1) and here(2)." 100GB on a disk would be a nice way to store backups -- but since the DVD consortium hasn't made any promises, this format may remain just a demo technology forever.

26 of 167 comments (clear)

  1. Winzip? by Anonymous Coward · · Score: 2, Funny

    They discovered Winzip?

    1. Re:Winzip? by frleong · · Score: 2

      This is ridiculous. So everytime an invention that doubles/triples the storage space is a discovery of WinZip?

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      ¦ ©® ±
    2. Re:Winzip? by bugg · · Score: 2
      tar is not a compression utility. It is for archiving many files into one (traditionally to be placed onto tape). Perhaps you meant to say gzip (.gz) and bzip2 (.bz2)

      And frankly, PKZIP is not bad- maybe not be the greatest, but for it does what it does well. Without it, it would have been a long time before we saw good, affordable compression on PCs..

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      -bugg
  2. 100GB is only for double sided by dopplex · · Score: 3, Informative

    The article says that to achieve 100GB, the disc has to be double sided.. So presumably most of the media we see will actually only have a 50GB capacity.

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    1. Re:100GB is only for double sided by IronChef · · Score: 2


      Until DVDs hit, laserdiscs ruled! They gave near DVD quality, and delivered it many years earlier. Flipping them was a pain, but a good player would flip the read head so you didn't have to get up. (on a long movie you still might have to put a second platter in though.)

      I still have a stack of them, and I am overcome by a fit of nostalgia whenever I pick one up. They have this weird smell... something about the glue or the plastic... very distinctive, in the same way that a PCB smell is. I also have some programming that will probably never show up on DVD, and since my 12-year old LD player just bit the dust I am not sure what to do about that.

      Mmm, analog spinning video media! Those were the days. But when DVDs came along and you could get them for $5-10 each (very common in the early days when there were all kinds of special deals) I bought in and never looked back.

  3. Am I the only one who's tired of this? by anotherone · · Score: 2, Insightful
    I've seen a million "Store 100 gigs on cheap media!" type stories on here, and they ALL scream "Vaporware!". Does anyone remember the "2 terabyte clear CD" thing? IIRC I think it was predicted that we'd all be using them by 2001. Well, I'm still using plain old CDs...

    Is this just a gimmick by companies to get funding or something?

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  4. Archive, not backups by Tsk · · Score: 3, Insightful

    For backups at least ina profesionnal environement you need more speed. writting DVD is slow compared to technologies like LTO, which stores up to 200 Gig on a casette.Archives which you write and then store somewhere in a safe palce because You personaly don't need the data, are better stored on worm devices like DVD's. French quality commette recommends Worm device writting for archives you need to keep for the IRS.

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  5. Violet Laser != DVD by Diesel+Dave · · Score: 4, Informative

    First: It a sad thing *ANY* article on slashdot is consumed by dog shit posts. 20 comments already attached to this article and not a damn one has anything to say.

    That said the real story here is the wavelength change. Normal CD's are red lasers. DVD's are blue. This thing is VIOLET. The shorter the light wave, the more dense the data can be. So this is big news because it is a new level of technology, not a progression of one of the current technologies. (Without question some form of this will be adopted)

    This means that some of the recent tricks (multi-layers) will probably be applicable to this to yield a VERY high amount of storage, maybe 100-200GB per side. That is of course if they don't come out with an ULTRA-VIOLET laser based system first. (Uhmm does an ultra-violet laser even exist yet??)

    OK guys we're at 50GB per platter now. Give me random I/O of 4ms, and I'll chuck my magnetic HD's out of the window.

    1. Re:Violet Laser != DVD by RussGarrett · · Score: 3, Insightful

      Yes, UV lasers do exist, but they're not the nicest of things. Firstly, like IR lasers, they're invisible, but unlike IR lasers, they tend to scatter and diffract off surfaces very easily, due to the high wavelength. So you never really know where they are.

      Secondly, UV lasers have a nasty habit of causing cancer on contact with the beam. Granted, only a very low power beam will be required to read the media, but I bet the average consumer will be thrilled with having invisible carcinogenic radiation inside their computer.

      On a vaguely related note, due to the ionising nature of UV lasers, they're considering making tasers out of them. I spose the thinking is, if they don't incapacitate the criminals, they'll give them cancer. I see a great case for lawsuits here....

      --Russ

    2. Re:Violet Laser != DVD by tswinzig · · Score: 2

      That is of course if they don't come out with an ULTRA-VIOLET laser based system first. (Uhmm does an ultra-violet laser even exist yet??)

      I think so, but I haven't actually seen it yet.

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    3. Re:Violet Laser != DVD by RussGarrett · · Score: 2

      Damn... you saw right through my cunning plan...

      Really, the radiation for these discs (at least the readers) shouldn't really be a problem, although the drives may need to be designed better to prevent the escape of any radiation. The big problem is that current CD-R and RW *writers* use higher-power lasers to heat up the substrate and write or erase. The problem is, that a UV laser won't heat the substrate up nearly as much as an IR one would, but I'm sure they've found a way out of that

      Although, I bet only around 25% of people know they have ionising radiation inside their smoke detectors...

  6. /. "new media" template by Wrexen · · Score: 2, Troll

    {Name} from {site} wrote in to tell us about a new [disc/disk/cd/drive/toaster] that can hold [10/100/1000/5000] [MB/GB/TB/PB] and is backward compatible with [nothing/5 1/2" floppy drives/iomega clik!]. The new format is only [.25/1/5] [mm/inches/yards] across and is resistant to [scratches/heat/proton decay]. Unfortunately, due to [patents/liscensing issues/censorship] from [MS/USPS/IBM/Disney] this will probably never get off the ground. Guess I'll stick to using [DVD-RAM/punch cards/LS-120] for now.

  7. Important thing they neglected to mention... by Telek · · Score: 2

    This is apparently an optical multiple read/write format, not just a SDVD-R type of thing... And there's several companies who have developed almost the same thing, which means that a standard might be decided much quicker than before...

    Not to mention that this should also cause DVD-R drives to finally come down within reach!

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    If God gave us curiosity
  8. Standards are both a blessing and a curse. by Sean+Johnson · · Score: 2, Interesting

    Warning: I am making the possibly misguided assumption that this new technology is based on "blue laser" wavelengths".

    I have long since wondered when blue laser technology would fit into the "grand scheme" of data storage needs. Standards serve both to implemement existing technology as soon as possible in order to acquire more investment dollars, and in order to ensure compatibility with existing and established markets and products. However, standards also serve to hamper technological advancements. Just look at the X86 architecture (or whatever it's called). On the other hand, standards also ensure compatibility with a wide variety of manufacturers and products. They generally make our lives much easier.
    I believe that in order to push this new technology, and also to provide compatibility with the existing infrastructure, early developers of this technology will have to make some compromises. These compromises will be most notable in the actual user-cost. My reasoning being, is that they will have to make their product with two different lasers. One that uses the blue wavelength, and one that uses the old DVD standard. This will increase the cost untill they can figure a way to use a single laser to do both, like Sony has done with their Playstation2. I think this format has the potential to do very well, except for the standards issue. If the general public can accept the early high costs of this technology and view it as a true leap, it will quickly become cheaper and more usefull. If not, then it will die a quick death, and be thrown towards a niche category like perhaps the Minidisc is in America. Standards are again, both a blessing and a curse.

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    1. Re:Standards are both a blessing and a curse. by ZxCv · · Score: 2

      As usual, I could be (and probably am) wrong, but I thought current generation DVD uses a blue laser, whereas this new techology uses a violet laser (which has a shorter wavelength, IIRC, thereby giving you more data density)...

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  9. The big difference by UserChrisCanter4 · · Score: 3, Insightful

    For those of you not in the know, Matsushita is the Japanese parent company of Panasonic.

    With all of the other fanciful storage media (FMD, anyone), we're talking about tiny start-up companies that are throwing (usually) empty promises out about their newest gizmo because, let's face it, they'll do anything to jack the stock price a little.

    I would feel safe in making a bet that we would never, ever see widespread use of FMD (maybe something similar, but probably never FMD). I just don't think a company that small would have the financial resources to tangle with the big boys on something as big as a common media storage format.

    Meanwhile I sit here looking at my Panasonic television. I saw their Home theater DVD-R unit at the electronics store today for $1K. Call me crazy, but I just find this claim a little more legit than most.

    1. Re:The big difference by Salamander · · Score: 2
      With all of the other fanciful storage media (FMD, anyone), we're talking about tiny start-up companies that are throwing (usually) empty promises out about their newest gizmo because, let's face it, they'll do anything to jack the stock price a little.

      Feeling bitter, are you? Which of these vaporous companies did you invest half your life savings in?

      The way I figure, someone is out there working on the true next generation of optical storage. Whoever it is, they're not likely to be shy about it, so I doubt it's being kept secret in some big company's lab; it's someone we can find out about. Of those I've seen, my money is still on Constellation 3D and their Fluorescent Multilayer Disc (FMD). Why?

      • They already have the technology running in a corporate lab and are pushing toward productization. This already sets them apart from the companies whose technology only exists on PowerPoint slides.
      • They've shown a willingness to partner with the big companies, instead of competing with them, and as a result have signed agreements with companies such as Plasmon and WAMO (Warner Advanced Media, a division of AOL Time Warner). For their parts, the big companies have gotten pretty comfortable with outsourcing R&D like this, and they don't want to kill the goose with the golden eggs.

      I don't know whether C3D will succeed long-term or not. Even when you already have the technology in the lab you can still hit stumbling blocks making it ready for the big bad real world (Castlewood is an example of this, in the same industry sector). However, I think it's a little unfair to lump them in with companies that lack either real technology or business sense. They still have a real - though perhaps still small - chance of hitting it big.

      Disclaimer: I own a couple thousand shares of C3D stock, but it's not like I work for them or anything. It's not even a significant amount of money for me (the stock is under a buck). I bought the stock because I respect the company, not the other way around.

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  10. HD DVDs? by gouldtj · · Score: 2, Interesting

    Maybe I'm just being an optimist, but it would be really cool to use this for High Definition DVDs. Heck, it wouldn't even cost more (besides the drive mechanics) because by that time most TVs will have to accept HD over the air, so over the firewire is cheap!

  11. Mega DVDs my ass by Waffle+Iron · · Score: 2
    This is a huge understatement. The adjective Mega is a pretty lame way to describe an item that holds 100 Giga bytes.

    A real marketing manager would describe this product as a "Terabyte-DVD" *

    * CAPACITY DISCLAIMER: Holds up to 1 terabyte assuming all files are compressed 10:1 with a third-party compression utility. Compression utility not included. Your actual compressed capacity may vary. Not all files are compressable.

  12. So now they can do what the phone companies did: by t_allardyce · · Score: 2, Insightful

    MPAA Meeting: Great, so now we have to give those ungrateful consumers higher quality video with less compression... no screw that, lets just put 40GBs of copy-protection systems on.

    I would actually _pay_ (yes, me actually pay real money) for DVDs that used all this capacity to give me extra high-quality data with less compression. Instead of downloading crappy DivX'ed versions. Seeing DVDs now, i don't understand how anyone could be fooled into thinking they are high-quality, the artifacts are terrible

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  13. Re:Hoping by nomadic · · Score: 2


    I think it's about time that a company has a long-term, high-capacity data solution that is suitable for the average home user. Tapes are still much too much.

    Tapes are also by no stretch of the imagination, "long-term".

  14. It's not so far off, folks by RayChuang · · Score: 2

    I think that Matsushita's announcement of the 100 GB 5.25" optical disk designed close to the Sony-Phillips proposal could mean an agreement by this super-capacity DVD could come may be the fall of 2002.

    Remember, today's DiVX format compression can store something like a 2-hour movie with near-DVD quality on a single 650 MB CD-R disc. Imagine applying next-generation video compression (now under development by the MPEG standards groups) to the new disc format; we could see 1080i HDTV movies that won't require 50 GB's of storage space per disc side--imagine storing the entire Godfather] trilogy in 1080i wide screen format on a single-sided disc including all the extras.

    I can also guess that a recordable version of this new disk could store around 85 GB in a disk format similar to the old optical disk formats from the early 1990's. With today's improved optical disk recording technologies and the availability of better I/O interfaces such as SCSI Ultra-Wide 160/320 and Fibre Channel, imagine a whole bank of these new optical disk drives backing up large HD arrays in a small fraction of the time that tape backup systems require.

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  15. Re:56 cookies!! by SCHecklerX · · Score: 2
    ...then I'm not going to click it :)


    Why do developers do this? Sheesh. The way to PROPERLY do cookies is to send ONE. The contents of that ONE cookie will be a HASH, which is your session ID. Then the CGI should get the actual data for that session ID from the server itself (and store it there too). Sheesh.

  16. I'd like to see this happen, however by A_Non_Moose · · Score: 2

    While it has been mentioned that this possibly could be vaporware (or vapourware, if you prefer) the trade off for such a large capacity is usually speed.

    I've read thru all the post and that point is usually missed.
    Take CD's for instance, when they could be described as "languishing" at 650/700M for a long time, DVD-RAM (commonly called opticals or MO drives/disks at the time) carried 4 to 5.2G of storage. The trade off has always been speed.

    CD's were hitting the 20X speeds while MO/Opticals were "languishing" at a max of 4X speed, or there abouts.

    Now tape drives are another story. I've recently gone thru the hell of restoring from a DLT7K in a dell powervault...the restore took 7+ hours for 6 or so files that did not total a few dozen Mb.

    This is unacceptable for data archival/retrieval, IMO.

    To top it all off, it took 3 days and many calls to *ell's techs to get *nowhere*.

    Now, if a "jukebox" could be made with 16 drives of 100G capacity via Gb ethernet, fiber, or connect to an UW scsi that would kick arse.
    IF searching took less than an hour over that *entire* unit...it would be a godsend.

    Think about 1.6Tb of storage! Combine that with what pinnacle micro did with their jukeboxes...used a hard drive to cache directory info and frequently accessed files to take care of some of the speed issues involved.

    So much data, so little time and capacity to hold it all.

    I hope these 100G disks/drives do come to fruition, because that will mean at the very least that the 5.2G disks will finally drop in price. :)

    (my sig is a voice in the wilderness to all metamoderators)

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  17. Compare Apples to Apples by Jerf · · Score: 2

    Compare apples to apples, please. An "X" for a CD-ROM drive is 150KB/s. I don't know what an "X" is for a DVD drive, but I'm pretty darned certain that it's more then that, because my old "2X" DVD drive could play DVD's... and I *know* DVDs need more then 300KB/s to play correctly.

    Why not re-write your post, using KB/s instead of "X"?

    In fact, increasing the density of a drive often increases the possible speed of the drive. Sometimes (sometimes!) the constaining factor on a drive is how fast the media can be spun. Modern CD drives are pretty much at this limit; you just can't spin CD's reliably at "100X", even if you had the theoretical ability to read the data that fast. (Yes, I know no CD player comes even close to that speed; that's my point.) But if you spin the DVD at the same max speed a CD drive can spin a CD, then the DVD drive will be able to transfer significantly more quickly.

    Rather then a "tradeoff" between speed and capacity, you usually get the opposite: Both coming at once. Esp. in the mature version of a technology, which is where we are now with CD players and either are, or will be within months, for DVD players.

    1. Re:Compare Apples to Apples by A_Non_Moose · · Score: 2

      Ah, true, very true....you make an excellent point.

      If I may, I'd like to point out that you are very correct, however, for some reason a 300k/s thru-put on a cd rom != optical drives.

      Some times what it comes down to is access time and size of the media. access time increases as the size increases (god, that almost sounds dirty).

      Further honing down: the "superdrive" as it is called does dvd-r's at what? 2X? for a dvd-r, but does cdr's at ~8 or 10X...errr...the light just dawned...I seem to be further proving you correct. :| (snort)

      But I was pointing at the trade offs not with r/rw media, but the trade off between capacity/speed of cdr vs optical.
      As this article is pointing out, the possibility of "huge" optical drives (dvd-rams?) is 'do-able' but the access/seek/Xfer rate suffers.

      I suppose if the cd/dvd ratings of 4X were equal in thruput, we'd still see the dvd tech "falling behind" most likely from the overhead.

      Any thoughts?

      (Dang, I wish I had mod points, but alas I've only been give that privelage *once*...sigh)

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