Slashdot Mirror


2008, The Year of Solid State Storage

An anonymous reader writes "At CES, SSD drives were a plenty on the show floor. "Some companies said we could see 250GB SSD units by the end of this year, while others predicted it could take up to a couple of years for them to become mainstream. None of the companies promised mainstream adoption, but they promised a bright future and we are inclined to believe them. High capacity drives are going to be expensive due to their very nature of early technology and gradual adoption rate."

20 of 197 comments (clear)

  1. Lets try the other way around, eh by v1 · · Score: 5, Insightful

    High capacity drives are going to be expensive due to their very nature of early technology and gradual adoption rate.

    I think they have that backwards. Lets try High capacity drives are going to have a gradual adpotion rate due to their very nature of being expensive due to their being early technology

    There, that's better.

    I'd have one now ("be an early adpopter") if they weren't so bloddy expensive.

    --
    I work for the Department of Redundancy Department.
    1. Re:Lets try the other way around, eh by minginqunt · · Score: 5, Interesting

      I remember seeing a curve of cost/gig over time of SSDs vs magnetic media, and it seemed to show that although both were falling, SSDs were falling faster, and were due to overtake their clicky brethren in the 2012-2014 time frame.

      Once that happens, I imagine that magnetic drives' usage will tail off sharply, and disappear within a couple of years, because nobody (or at least nobody worth speaking of) wants to use magnetic over solid state anyway. In fact, it might start happening even whilst SSDs have a small price premium.

      God knows, I'd be happy to pay a 20% premium to never have to use magnetic hard drives again.

    2. Re:Lets try the other way around, eh by Geoffrey.landis · · Score: 5, Informative

      Price isn't the only factor here. Has anyone seen any real reliability or Environmental numbers on any of these drives yet? I know many government/military programs who would be glad to pay for it, if it could prove to increase availability in certain environments.

      Well, flash storage certainly is better in the space environment. Conventional hard-disk technology requires a pressurized compartment (the heads stay separted from the disks with a thin film of air). And, of course, any technology with no moving parts is preferable-- mechanical parts have an annoying tendency to freeze up with vacuum thermal cycling.

      Spirit and Opportunity are now four years into their 90-day mission on Mars, running on flash storage....

      --
      http://www.geoffreylandis.com
    3. Re:Lets try the other way around, eh by alexhs · · Score: 5, Funny

      nobody wants to use magnetic over solid state anyway Oh, but I've heard that magnetic data has a warmth and nuanced feeling that SSD harsh data doesn't have...
      Already that magnetic drives weren't all that good to start with...
      --
      I have discovered a truly marvelous proof of killer sig, which this margin is too narrow to contain.
    4. Re:Lets try the other way around, eh by Anonymous Coward · · Score: 3, Funny

      You magnetophiles really take the cake ... I suppose next you'll be telling us that if we can't tell the difference on our monitors between data pulled from a simple SSD as compared to your overpriced magnetic platter storage with wooden control knobs and monster cable connecting everything together, it's because our vision isn't discriminating enough.

    5. Re:Lets try the other way around, eh by Geoffrey.landis · · Score: 3, Insightful

      No, no.
      Hard drives are actually vented. There's no pressurized compartment. They run at the same atmosphere as the rest of the machine. My error; I apparently failed to be sufficiently explicit in what I wrote. When I wrote "in the space environment," what I actually meant to say was "in the space environment, which is a vacuum, a technical word which means that there is no atmosphere..."
      --
      http://www.geoffreylandis.com
  2. So we are back to RAM drives! by LWATCDR · · Score: 3, Interesting

    Oh well everything that old is new again I guess.
    I used a RAM drive on my Amgia way back when. Yes I know that they are how using flash but it does seem very familiar.
    I wonder when we might see a hybrid flash-ram drive? A big bunch of ram for high speed and flash for permanent storage. Just use a super cap for a power backup and have it copy the ram to flash on power down. A little bit pricey but if you need the speed you need the speed.

    --
    See my blog http://ilovecookes.blogspot.com/ for light hearted technical information.
  3. within 5 years, tape manufactuers will have troubl by WindBourne · · Score: 4, Interesting

    HDD still have a ways to go. In particular, the flash storage will be used for desktops, laptops and the core of servers. The real data will still reside on HDD for a long time to come because of cost / MB. What will happen is that HDD will learn to really park and lower their energy needs, most likely due to dropping in size. Tape has been used for eons for back-up, but I think that HDD will overtake that role as their prices will be forced to go way down.

    --
    I prefer the "u" in honour as it seems to be missing these days.
  4. apple by theMerovingian · · Score: 4, Interesting


    The sales guy at the Apple store told me that there was a persistent rumor of a solid state laptop coming in the next few weeks...

    Boot camp + solid state = me finally replacing the old powerbook!!

    --
    "If you think you have things under control, you're not going fast enough." --Mario Andretti
  5. Sequential reading? by ookabooka · · Score: 3, Informative

    I was talking to a gentleman from (big name hard drive company) about their plans for hybrid and/or solid state drives. Essentially he told me that solid state was still limited by price and sequential reading. So it may be advantageous to put some things on flash like OS files that require a lot of random seeks, but for sequential reading of things like media files, traditional hard drive tech won't die just yet . . .I apologize for being too lazy to back this stuff up with numbers, what can I say, I'm a true slahsdotter.

    --
    If you are about to mod me down, keep in mind that this post was most likely sarcastic.
    1. Re:Sequential reading? by jdunn14 · · Score: 5, Informative

      I've never seen the performance numbers for sequential vs random read on flash drives, but you have to do pretty damn bad to get beat by random access on a standard hard drive. If you look at the the units used you'll get the idea. Your average random access on a standard drive is based on the average seek time which is measured in small milliseconds (4 ms, 8ms). Access time for flash drives is measured in double-digit nanoseconds (e.g. 60ns). That's 5 orders of magnitude difference. Even if the access time for random reads on flash was 100 times worse than it's average access time those reads would STILL be 1000 times faster than from a hard drive.

      I don't think people realize just HOW slow drives are compared to the rest of the machine. Sure we programmers know the disk is "slow" but it really puts it in perspective to know it's a 100000 times slower than an alternative tech.

  6. Re:within 5 years, tape manufactuers will have tro by DeeQ · · Score: 3, Interesting

    I don't think so, tapes will still have many uses. They are very reliable for backups more than I would trust a hard drive. They also have the ability to be taken to off site locations like all backups should be. Hard drives would make doing that a little more difficult, even with external Hard drives it would be more of a pain than having the media of a tape. I don't see the tape going away any time soon.

  7. Re:within 5 years, tape manufactuers will have tro by Anonymous Coward · · Score: 5, Informative

    That's hardly the situation at all. For massive magnetic data storage, tape is still very valid. You're just not going to find 500GB HDD's with such low failure rates in 10-packs for $1000 like you can get tapes at today. And tape can drop in price much more easily than HDD's will.

    I'd give it a good 10-15 years before our massive tape storage units disappear from the datacenters.

  8. Re:within 5 years, tape manufactuers will have tro by JerryLove · · Score: 3, Interesting

    As I understand it, the problem with using HDDs for backup, at least archival backup, has more to do with longevity than anything else. An LTO tape has a shelf life of 30 years. HDDs don't.

  9. Re:I dont see it by Lars+Clausen · · Score: 5, Insightful

    We have already been running tests showing Lucene to be several times as fast on large indexes and realistic queries using SSD than using normal drives. I'm going to have a smallish SSD in my new laptop combined with an external drive for my large data. Faster, more solid, and less battery usage. Doesn't matter if I get 32GB rather than 160GB on board. I agree fully with the OP, SSD will really break through in 2008. Dell already offers it as an option. It's all a matter of usage patterns right now, in the long term I am prety sure hard disks will die.

    -Lars

  10. Reports I Continue to Hear by Nom+du+Keyboard · · Score: 3, Informative
    Reports I continue to hear is of blocks going bad (meaning that overall storage is reduced by measurable chunks, rather than failing all at once the way a head-crash on rotating media can happen) in as short as weeks of use. Especially when the drive is rather full to start with, since wear leveling doesn't tend to move stored data to empty slots.

    Until that time is years, instead of weeks, I don't see myself preferring more expensive, or even equal cost SSD, over rotating media drives.

    --
    "It's the height of ridiculousness to say for those 9 lines you get hundreds of millions."
  11. Re:within 5 years, tape manufactuers will have tro by jaweekes · · Score: 3, Insightful

    I actually see the solid state drives replacing tape (if the cost goes down). They would be smaller then tape, and the life-span would be as good. You could technically have a SSD loader, working like the current tape loaders, and the only thing needed would be a good connector that can take several thousand insertions (like the SD connector). SSD would be more reliable then tape because of the reduced mechanical parts.

    SSD's would have all the advantages of tape (portable, easy to load, etc) without the mechanical problems that tape has. Wow, I need to patent this now!

  12. SSD as a boot drive by supertux · · Score: 5, Interesting

    The article talks about large solid state drives, but because of the price premium, I've been experimenting with smaller SSDs. In particular, I've been using an 8GB 266x CF card coupled with a CF->SATA adapter as the OS drive for my mythtv system for 5 months now with great success.

    Not only is the flash drive completely silent, it is reasonably fast. Reads always benchmark at 40MB a second and writes benchmark at 34MB a second.

    I've been a bit worried about the flash wearing out after repeated writes, but so far so good. Since my mythtv mysql installation is stored on it, as well as the normal system log files, I'm sure it sees quite a lot of action.

    But to my point...

    One common problem with systems such as mythtv that are under heavy IO stress is that during these moments of stress (lots of recordings going on at once) the whole operating system grinds to a halt or at least becomes sluggish waiting on some needed IO.

    It was very common on my old mythtv setup where I used the extra space on the OS hard drives as extra storage space for mythtv recordings. I'm not experiencing any of that sluggishness with the new setup.

    This has got me thinking that for my future desktop system, maybe instead of getting a raptor for the OS drive, and a large, slower hard drive for the rest of my stuff in order to minimize IO bottlenecks, I should swap out the raptor for a 16GB SSD for the OS drive. I'd end up with something that has almost no latency, good speed, silent, and it may be possibly just as reliable in that role.

    What do you think?

    1. Re:SSD as a boot drive by Heddahenrik · · Score: 3, Informative

      One thing that has been tested successfully in various places is to RAID (RAID0) the SSD-disks. It makes them about as twice as fast, and it should be possible to RAID them in bigger arrays too. As there is so little risk of one disk breaking down, there is no excuse to not RAID-0 them.

      These disks still have a problem with speed on random write though. It's nothing for read-write databases where NCQ (SATA2) disks are faster.

  13. Flat panel/CRTs all over again by JerryQ · · Score: 3, Informative

    In (approx) 1992 I went to SID (society for information display) in Florida, and a keynote speaker said, roughly: "I have been coming here for 30 years, and I expect to hear, just like I heard 30 years ago and most years since, that within 10 years flat panels will overtake CRTs and make them redundant. Why has this not happened? Because CRT has continued to get cheaper and better quality, thus removing the opportunity for flat panel, because the goals keep moving" He also pointed out that we would get there (and we have) but that we should never underestimate where old technologies can go. In 1983 I put together a business plan for an outsourced proposal I was working on, and we put in £17K (thats $28k) to cover a 70 megabyte hard drive. Now I see one inch drives in iPods carrying multi gigs. I believe that we will see phased take up, ie where it is needed most (e.g. like the way airlines put in flat panels instead of CRTs to reduce weight), before the HDD manufacturers will curl up and leave the scene. Jerry