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Apple and LG plan Flash Laptops

Lucas123 writes "An article in Computerworld states that Apple and LG each plan to launch new laptops — one that's supposed to ship this month — with hybrid disk drives. The new drives are like hybrid cars in that the NAND flash memory works in conjunction with the spinning disk, kicking in data that can be cached like portions of the operating system, which can make for much faster boot up and resume times."

47 of 197 comments (clear)

  1. Sweet by danpsmith · · Score: 4, Funny

    Let me be the first to say:

    <borat>Nice</borat>

    --
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  2. OK Sure by tak+amalak · · Score: 2, Informative

    There has been so much speculation, but where's the proof? It'll have to run a slim OS like the iPhone to work well on flash due to the high rate of paging MacOS does.

    http://www.macworld.co.uk/news/index.cfm?newsid=17 434

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    1. Re:OK Sure by tak+amalak · · Score: 5, Funny

      Oh, and can I be the first to coin the term "Flashtops"?

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    2. Re:OK Sure by maxume · · Score: 3, Funny

      It's really too bad. If they had access to the source, they could totally change the way that OSX was paging, in order to work better with swell new hardware.

      --
      Nerd rage is the funniest rage.
    3. Re:OK Sure by TheNetAvenger · · Score: 5, Insightful

      There has been so much speculation, but where's the proof? It'll have to run a slim OS like the iPhone to work well on flash due to the high rate of paging MacOS does.


      I won't comment on OSX's paging, other than it needs a bit of refining as it tends to be over agressive.

      However, I think Apple's initial plans are to use the Flash on these drives as more of a Read area for portions of OSX that are accessed at startup or frequently.

      As for the lifespan of Flash, if the device or OS is smart enough to not use the same bits over and over and distributes the writes intelligently(Since areas of Flash are fairly equal in speed), then the lower end bits won't get any more use than the top end of the cache, and in theory the flash should last as long as the HD platters. There are also techniques to extend Flash usage by what bits are used and when, so the limited writes are extended beyond just linear write lifespans of the Flash.

      Remember the HD Mfrs are not stupid about caching or Flash limits, so this is stuff that people a lot smarter than the average SlashDot reader has already considered and worked around.

    4. Re:OK Sure by FSWKU · · Score: 4, Funny

      Oh, and can I be the first to coin the term "Flashtops"?

      I think that term is reserved for the ones already using Sony batteries.
      --
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    5. Re:OK Sure by Trailer+Trash · · Score: 5, Funny

      ....people a lot smarter than the average SlashDot reader....

      I hear they're also taller than the average midget...

    6. Re:OK Sure by drinkypoo · · Score: 4, Informative

      Oh, and can I be the first to coin the term "Flashtops"?

      No.

      --
      "You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
  3. drives are like hybrid cars by 1u3hr · · Score: 5, Insightful
    NO, they're NOT "like hybrid cars". Stop it with the inane car analogies.

    The word "hybrid" has a meaning outside automobiles. Originally it was a biological term.

    1. Re:drives are like hybrid cars by Crazy+Man+on+Fire · · Score: 4, Informative

      The disk dive is a hybrid. It combines a standard platter-based drive with flash memory to hold the stuff used to boot up. This is supposed to improve boot speed.

    2. Re:drives are like hybrid cars by MightyYar · · Score: 4, Informative

      I agree that car analogies often are incomplete, but this is hardly a bad one. You take an electric car and a gasoline-powered car and do an engineering mash-up and you get a car with many of the advantages of a gasoline car (capacity, cost) and many of the advantages of an electric (power consumption, throttle response). You take a platter-based hard drive and a flash-based drive and do an engineering mash-up and you get a drive with many of the advantages of a platter-based hard drive (capacity, cost) and many of the advantages of a flash-based drive (power consumption, latency).

      It's actually not a bad analogy.

      The only thing stranger than all of the car analogies is the impassioned resistance that they invoke.

      --
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    3. Re:drives are like hybrid cars by drinkypoo · · Score: 3, Insightful

      The only thing stranger than all of the car analogies is the impassioned resistance that they invoke.

      Would you like it if car people make idiotic computer analogies all the time?

      "Well, I increased the CFMs of my carburetor, which is like doubling your ram. And then I added a second fuel tank, which is like adding another hard disk."

      But seriously the reason that people like me resist it so strongly is that most of them are just fucking stupid. This one is less stupid than most but it's still not a very good fit. In fact, it's not all that analogous which is why I resist the analogy. But I didn't rail against it for the reason that you state; this is probably one of the best car analogies that's been used on slashdot recently :)

      --
      "You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
    4. Re:drives are like hybrid cars by operagost · · Score: 4, Funny

      Ooh! Let me try...

      I upgraded to Vista, which is like kicking myself in the balls.
      I started playing World of Warcraft, which is like smoking crack (but less socially acceptable).
      --

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    5. Re:drives are like hybrid cars by MightyYar · · Score: 3, Interesting
      Actually, that was not my argument at all. I was saying that the things improved by a "hybridizing" a car are very closely analogous to the things improved by "hybridizing" a hard drive, no matter what the definition of hybrid is:
      • fuel capacity <-> hard disk capacity
      • cost <-> cost
      • power consumption <-> fuel efficiency
      • throttle response <-> latency

      I agree that car analogies can be forced and bad, but this one is actually pretty good.
      --
      W..w..W - Willy Waterloo washes Warren Wiggins who is washing Waldo Woo.
    6. Re:drives are like hybrid cars by Eccles · · Score: 2, Funny

      Cars already boot instantaneously.

      You've never owned a British car then, I take it.

      --
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    7. Re:drives are like hybrid cars by lostatredrock · · Score: 3, Interesting

      As much as it pains me to say this and trust me it's painful, I think you have actually made a good point there.

      Damn you!

    8. Re:drives are like hybrid cars by MightyYar · · Score: 2, Insightful

      LOL, a gentleman on Slashdot... you should have turned it into a flame war.

      --
      W..w..W - Willy Waterloo washes Warren Wiggins who is washing Waldo Woo.
  4. fucking analogy by stratjakt · · Score: 2, Insightful

    like a hybrid car? It's nothing like a hybrid car. And I would think the average slashdot reader is technically inclined enough to understand what it really is, without the retarded analogy.

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  5. Add more ram and make smarter bootup sequences by tomstdenis · · Score: 3, Interesting

    Adding more ram for a disk cache is a simpler (and often lower power) solution to speed up disk activity. Writing to flash takes power, leaving the flash on [so you can access it] takes power. But you can't use flash as random access memory.

    Putting the laptop in suspend mode throughout the day (instead of hibernate or off) can also lighten the load on the disk/battery. Bonus points would be for flushing the read cache, compressing the in use memory and turning off as many memory banks as possible during suspend. (I know that's not trivial hence the bonus points).

    Tom

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    1. Re:Add more ram and make smarter bootup sequences by Maddog+Batty · · Score: 5, Informative

      Adding more ram for a disk cache is a simpler (and often lower power) solution to speed up disk activity.
      Not if your hard drive is switched off (remember this is laptops we are talking about). It takes quite a while and a lot of power for a hard drive to spin up. You can get data from a flash chip within micro secs of switching it on.

      Writing to flash takes power, leaving the flash on [so you can access it] takes power.
      The whole point with flash is that you do not need to leave it on. Once the data is written to it, you can switch it off until the data is needed. RAM needs to have some power (though not much when in standby) to keep the data in it active.

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  6. hybrid by mastershake_phd · · Score: 5, Funny

    The new drives are like hybrid cars

    So they get 50mpg?

  7. Question by stratjakt · · Score: 5, Insightful

    Does the flash inside these things die after however-many thousands of writes?

    It sounds to me like the life expentancy of one of these would be greatly diminished over a conventional HDD.

    Has flash technology advanced to the point that the limited write cycle thing isn't an issue, or do they just expect you to replace it every few months to a year (depending on how much you use it)?

    --
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    1. Re:Question by LOTHAR,+of+the+Hill · · Score: 2, Interesting

      No, flash tech hasn't changed much in a long time. It's just gotten faster, larger, and cheaper. NOR flash is much more reliable than NAND, but it's much slower. That is why computers use NOR for boot flash.

      The iPOD Nano uses a NOR boot flash, but NAND for data.

      Hybrid drives are a great idea if done correctly, a nightmare otherwise. Personally, I'm a bit leery of the concept. I wouldn't want to be an early adopter on this one.

    2. Re:Question by Lord+Ender · · Score: 2, Interesting

      It isn't a problem. For Linux. With minor modifications.

      If you put /tmp, /var, and swap on a different disk or RAM disk, then you mount it with the "noatime" attribute (to stop disk writes on every file read), you can have a Linux machine boot from flash just fine. I imagine Apple can make similar modifications to their OS.

      I've been running several servers off of flash drives for about six months, and they are all working beautifully.

      Windows, on the other hand, would blow a flash drive quickly due to all the registry bullshit, and due to its inflexible design.

      Solid-state computers are going to be Unix-based for at least the next 10 years. Microsoft is always late to the game where new technology is concerned.

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    3. Re:Question by networkBoy · · Score: 2, Informative

      NOR Flash:
      More reliable
      Faster reads
      easy to integrate (looks like an sram)
      able to execute code directly from NOR Flash (looks like an sram)
      more expensive

      NAND Flash:
      Faster writes
      PITA to integrate (requires separate controller chip)
      Slower reads
      Inability to directly execute code, must DL to real ram to execute.
      less reliable
      higher density
      cheap

      -nB

      --
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    4. Re:Question by forkazoo · · Score: 4, Interesting

      Does the flash inside these things die after however-many thousands of writes?

      It sounds to me like the life expentancy of one of these would be greatly diminished over a conventional HDD.


      Yes, they do eventually die. No, they won't die dramatically younger than a hard drive. Modern flash uses wear-levelling algorithms, so that no particular bad block will kill the whole flash drive. It'll just make a small block inaccessible when it finally dies, which won't happen very often. OTOH, when a head decides to dig into your constantly spinning mechanical platter and make a noise that makes you feel sick... Well, there just isn't any algorithm fix for that.
  8. Read Cache is not the point! by samael · · Score: 4, Interesting

    The point is that it can turn off the hard drive while you're working away, until the flash cache is full, and then turn it on long enough to dump the contents. This should save a lot of battery power.

    1. Re:Read Cache is not the point! by roseblood · · Score: 2, Informative

      According to the powers that be at GRC/SpinRite (the HDD software recovery people) the majority of power consumed in a HDD is very rapid accelerations required to move the read/write head from point to point across the HDD platters. We have a good grasp on how to make great bearings, so keeping a HDD rolling is trivial. Bypassing that whole Force=Mass*Acceleration is going to take a lot more than good bearings.

      --
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    2. Re:Read Cache is not the point! by imsabbel · · Score: 2, Informative

      For a 2.5" drive, 1 minute of idle operation costs more energy than a spinup-and down.

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  9. I don't think that this IS the time... by drinkypoo · · Score: 2, Interesting

    FTFA:

    Wu, who was among the first analysts to forecast the unveiling of Apple's iPhone music player/phone earlier this year, cited unnamed industry sources as the basis for his report.

    "The time is right for the flash makers to make a move" as flash memory prices decline, Wu said by telephone. "Apple, from what we understand, is pretty much ready. The ball is in the flash vendors' court."

    What do you mean Apple is pretty much ready? To replace a rotating disk with a SSD? I have news for you, that doesn't take much.

    But seriously, I think that this is precisely the WRONG time to do this. Intel's PRAM is on its way. MRAM has finally seen some commercial use (in smaller quantities) and may be more available soon. Flash RAM is crap by comparison to either technology except for its availability and the wait for one or the other to actually become available should not be very long.

    Such a device will be markedly expensive, so adopters will be few. It's an expensive way to get practice working in a particular market segment.

    --
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  10. Real purpose by reydelamirienda · · Score: 2, Funny

    So now the OS will go in a big flash drive as if it was some kind of firmware (you don't change the os very often, so flash life is not a problem) and leave the spinning disk to what really matters: pr0n!

  11. Re:What "resume" time? by GiovanniZero · · Score: 4, Interesting
    Actually, OS X is superior when it comes to sleep. Because Mac's have a set amount of hardware so they can develop for their own platform and make sure everything is fine tuned and working well.


    http://slashdot.org/comments.pl?sid=225106&cid=182 31650 ->This discussion talks about hardware differences and shows one of the reasons that Apple has superior stability.


    Windows and even linux machines can have such a wide variety of hardware and all it takes is one bad driver to make sleep or suspend not work. Furthermore suspend2 for x86-64 doesn't come compiled in most distros of linux and you have to recompile the kernel to get it to work.


    While your notebook may not have any problems with sleep it is probably the exception. Lots of windows boxes will sleep but when you bring them back up sound won't work or usb ports won't work. It's a pain.

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  12. Re:Miniature version of MacOS X? by 99BottlesOfBeerInMyF · · Score: 3, Interesting

    If these disks make a MacBook use less battery power, great. But I don't see why the world needs a miniature version of MacOS X.

    Back in the day, Apple used to ship Macs with a copy of pre-OS X, Mac OS on a ROM. It was basically unused, but it did have the advantage that if your hard drive went down or an extension to the OS was making your system unbootable, you could always boot from the ROM and at least do a hardware check to see if your problem was hardware or software related. Apple could re-introduce this feature using Flash memory, although I'm not convinced it is really worth their time.

  13. Re:Miniature version of MacOS X? by drinkypoo · · Score: 2, Informative

    Back in the day, Apple used to ship Macs with a copy of pre-OS X, Mac OS on a ROM.

    Which macs are these?

    I've never seen one.

    The only Apple systems I've ever known to include an operating system (such as it was) in ROM were the Apple ][ series. Macintoshes include functions in ROM, but it's not a complete OS. Amiga used the same approach, only moreso - to the point where an OS upgrade mandated a ROM upgrade.

    I'm willing to be proven wrong, but I've never even heard of such a thing and every Mac I've ever powered up without a valid boot volume just showed me a disk with a question mark on it - and that includes Macintoshes of literally every generation but G5, including the XL (Lisa), doorstop, Macintosh II, Quadra, G3 and G4.

    --
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  14. Is it just me... by keytohwy · · Score: 2, Interesting

    They keep talking about quick boot times. Is this an issue for anyone? I boot my Mac about twice a month anyway, so boot times are a non-issue. And wake from sleep times in OSX have been consistently quick for years. I understand the other benefits, but these points seem moot.

    1. Re:Is it just me... by gnasher719 · · Score: 2, Interesting

      '' They keep talking about quick boot times. Is this an issue for anyone? I boot my Mac about twice a month anyway, so boot times are a non-issue. And wake from sleep times in OSX have been consistently quick for years. I understand the other benefits, but these points seem moot. ''

      You may have noticed that hybrid flash/harddisk combinations are always mentioned in one breath with the "improvements" that Vista is promising, like faster boot times by using some Microsoft-only technology. And of course it is nonsense. If you use your Mac 40 hours a week, and boot twice a month, even if it took two minutes to boot (and it doesn't), that would be just 0.04% of your time. The only reason why anyone would care about boot time is because it is something that the blathering marketing idiots can measure easily. Same for this meme that you would store applications in flash memory to make them start faster. It is absolute nonsense.

      The sensible thing to do is to have some good caching algorithms that take into account the special characteristics of flash and hard drive, and let them do their thing.

  15. Rumors, Analysts, and Apple by maggard · · Score: 3, Interesting

    First, rumor has it is all this is. An analyst put it in a report and everyone is passing it on a valid. Especially with Apple folks should know that rumors & speculation are just that.

    Next it was widely reported a few years ago when Apple made a huuuge futures purchase on flash memory getting an excellent price and assuring their supply. Someone more motivated then I can crunch the numbers but even with however many million iPods sold I'm guessing Apple still has flash memory to play with and a decent price.

    Then there's the non-US market. Yes, Americans want 21" screens, 6 speakers, 200 GB hard drives, and accept 30 minute battery life from their portables (oftentimes too big even for American laps). The rest of the world typically wants really small, really light, just enough computing enough power for on-the-road use, and 12 hour battery life. Thus an ultraportable will fill a huge hole in the Apple product line, one many posters to /. may not even be fully aware of.

    With all of that in mind do I expect Apple will come out with some sort of clever new device that is small, robust, and runs for longer then others on the market? I wouldn't be surprised. Apple has innovated time & time again, particularly on laptops, and part of their market is remarkably price-insensitive (I've rarely heard "Get me the best Dell, whatever the price!", I've heard that regularly about Macs.) What starts at the top often soon moves down.

    Finally, Apple still does largely design their own motherboards, owns their own OS, can implement a new technology without needing to coordinate it among many parties. But do I think J. Random Analyst is going to be all that insightful about Apple's hardware future? Not particularly, he's just an excuse to post another story about everyone's favorite conundrum.

    --
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    1. Re:Rumors, Analysts, and Apple by PsychoSid · · Score: 2, Insightful

      Pretty good point. I would hazard a guess and say those flash memory supply mountains could be in reserve for the iPhone though rather than a flash based laptop.

    2. Re:Rumors, Analysts, and Apple by mrchaotica · · Score: 2, Informative

      Then there's the non-US market. Yes, Americans want 21" screens, 6 speakers, 200 GB hard drives, and accept 30 minute battery life from their portables (oftentimes too big even for American laps). The rest of the world typically wants really small, really light, just enough computing enough power for on-the-road use, and 12 hour battery life. Thus an ultraportable will fill a huge hole in the Apple product line, one many posters to /. may not even be fully aware of.

      Hey asshole, the US-bashing was completely uncalled for! There's plenty of us Americans who want ultraportables too, you know. In fact, I've chosen to forgo a Mac in favor of a Thinkpad X60, specifically because Apple didn't have anything small enough (or that was a tablet, but that's beside the point).

      --

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  16. Re:We've already got one! by the+darn · · Score: 5, Funny

    You have just missed a Monty Python reference. Please turn in your Slashdot card, as well as any and all other nerd paraphernalia.

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  17. This is a good idea for laptops. by plasmacutter · · Score: 2, Interesting

    the battery power issue has been mentioned, but also keep in mind laptop hard drives tend to either be A. - lower RPM than desktop drives or B. - switched off for power conservation.

    this means much higher response lag whenever laptops have to page in/out (and the reason i opted to upgrade the ram on the laptop to as much as the desktop).

    apply this to the entire apple line and you suddenly have a considerable performance edge over competitors (using the same software configurations).

    apply it to desktops as well for extra power conservation and performance per watt as well (and with desktops you have a larger case to include more flash into the drive).

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  18. Mac ROM returneth? by rdarden · · Score: 3, Insightful

    However, I think Apple's initial plans are to use the Flash on these drives as more of a Read area for portions of OSX that are accessed at startup or frequently. Not unlike the old days when some of the core OS functionality was stored in a custom Mac ROM. Funny how things are cyclical.
    1. Re:Mac ROM returneth? by andreyw · · Score: 3, Insightful

      Except ROM is slow, "Read-Only", and needs a special interface (if any at all.... but if you wish to use block device abstractions, say hello MTD) while what Apple is doing will just be a logical extension of their already present boot cache mechanisms.

      So - 'no'.

  19. Re:What "resume" time? by MojoStan · · Score: 2, Informative
    "My pc laptop (Dell D600, Win 2k) blows chunks - getting it to go to sleep can take a 30 seconds, wakeup takes about the same, and startup takes more than a minute. Bleah!"

    Sounds to me like your Dell is set to "hibernate" (which actually powers off your computer after saving its "state") and not "standby" (Windows 2000's term for "sleep").

    Hibernate saves the computer's state (including open programs) and memory contents to the hard drive, then powers off the computer. Coming out of hibernation powers on the computer, loads back the saved memory contents from the hard drive, and returns the computer to its previous state. The notebook's battery is not being drained at all while in hibernation because the notebook is actually turned off, not "sleeping."

    "Stand by" in Windows 2000 is like "sleep" in Mac OS. It should take a few seconds, at most, to go into and out of "stand by." I have a Toshiba notebook (Pentium 3) that's much older than your Dell D600 (Centrino era), and it "sleeps" (goes into stand by) and "wakes up" in seconds. Since your Dell uses an Intel Centrino chipset and Pentium M, it should have no problem going into and out of stand by.

    I read about this from Mac users all the time in Slashdot, but I'm certain that almost all of them are confusing "hibernate" and "sleep".

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  20. Re:Warranty? by jusdisgi · · Score: 5, Funny

    The new drives are like hybrid cars in that the NAND flash memory works in conjunction with the spinning disk...

    Oh...so that's how hybrid cars work...

    --
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  21. Re:What "resume" time? by Professor_UNIX · · Score: 2, Informative

    Windows or Linux is not limited in any way or inferior to OSX in this regard.
    That hasn't been my experience though. My Powerbook (1.67GHz/1GB RAM) wakes up from sleep in a second, I login (locked screensaver) and I can start browsing the web via my Airport connection in under 3 seconds. On the other hand, my Windows desktop (AMD Athlon XP 2400+ on some MSI motherboard with 2GB of RAM) wakes up from S3 sleep in about 4 seconds to the lock screen, I login, and then I have to wait another 20-30 seconds for the networking to come online, even if I statically assign the IP address to rule out a DHCP issue! My Mac uses DHCP and it works fine waking from sleep though. Don't even get me started on Linux... Linux absolutely sucks for desktop power management uses. The newest Ubuntu on the exact same desktop I use for Windows won't ever go to full S3 standby, it just looks like it blanks the screen and doesn't power down any of the hard drives or fans like Windows does. Yea, I know, go to some web site and grab this or that package and compile this or that to load some custom kernel module that may or may not fix the issue. NO! It should just work! ACPI S3 sleep mode has been out for a long time and the fact that, at least this distribution of, Linux doesn't support it as a standard feature without screwing around is absolutely lame.
  22. Eureka! by Anonymous Coward · · Score: 2, Funny

    Putting swap on a RAM disk, eh...? That totally isn't totally redundant!