Windows 8 and 8.1 Forums


SSD, hibernation and wear... Needing advice!

  1. #1


    Posts : 22
    Windows 10 1703

    SSD, hibernation and wear... Needing advice!


    Hi everyone

    I got my copy of Windows 8 off Dreamspark several days ago and I decided to try it on my notebook. Well, first of all I must say that I really like the way it's quicker and neater than Seven.

    but considering that quite everything I use is desktop-based, I tried different ways to bypass the Modern UI Start screen and stay on the desktop as much as possible (at least for now).

    Eventually I decided to create a shortcut to "shutdown /h" and pin it to the taskbar where Seven formerly had the orb (so I could just hibernate the system by clicking once on it).

    Now, this is the question: seeing that I use hibernation 3/4 times per day, and that Windows 8 is installed onto a Samsung 470 SSD...
    Does the lifespan of the disk get significantly shorter (because of the limited rewrite cycles supported by the SSD drives) if I use hibernation instead of the normal shutdown?

    I believe not, but any advice/suggestion would be very appreciated!

    Tnank you in advance!

      My System SpecsSystem Spec

  2. #2


    You don't need to worry about hibernation, I use the "OS optimisation" in Samsung Magician, it tunes my ssd.
      My System SpecsSystem Spec

  3. #3


    Posts : 354
    Windows Server 2012 Standard w/Hyper-V


    I know this is off topic, but instead of creating a shortcut to pin on the task bar, why didn't you just set your laptop's power button to hibernate?
      My System SpecsSystem Spec

  4. #4


    Posts : 22
    Windows 10 1703


    Well, it might be a good idea of which I didn't think before. I'll do it immediately!
    You know, being used to a desktop PC (on which there's still Windows 7) I feel more comfortable using the Start orb to hibernate instead of pressing the power button...

    Thanks for the suggestion
      My System SpecsSystem Spec

  5. #5


    Posts : 354
    Windows Server 2012 Standard w/Hyper-V


    I think that MS is subtly trying to get users comfortable with hardware buttons and hot keys. Once you learn those, Windows 8 becomes much more usable.
      My System SpecsSystem Spec

  6. #6


    If you're using an SSD drive, then you shouldn't need hibernation. The whole idea behind hibernation, is to boot up quickly. An SSD drive also allows you to boot up quickly. My one device with an SSD drive is my Samsung series 7 slate. It certainly does not need hibernation. If you need to keep the machine at a certain state with certain programs loaded, sleep may work just as well. On my Slate, sleep does seem to power the device down. YMMV...

    Back when Windows 7 first came out, I read where hibernation can corrupt the OS. I don't know how true that statement is, but I've always kept in mind.

    However, I don't have an answer about the life span of the SSD drive...
      My System SpecsSystem Spec

  7. #7


    Posts : 354
    Windows Server 2012 Standard w/Hyper-V


    Quote Originally Posted by skallal View Post
    If you're using an SSD drive, then you shouldn't need hibernation. The whole idea behind hibernation, is to boot up quickly.
    This is 100% false. Hibernation was not invented for quick booting of hardware. The point of hibernate is to allow one to completely power down the computer while saving the current working state. It's essentially an evolution of sleep. Only in Windows 8 has hiberfile.sys been used for fast startup, by allowing the system to copy the kernel to the file. However, unlike actual hibernation, fast startup does not copy the contents of RAM (i.e. the working state) to hiberfile.sys

    If you need to keep the machine at a certain state with certain programs loaded, sleep may work just as well. On my Slate, sleep does seem to power the device down.
    Your Slate is not completely powering down if it is in sleep. There is still some power draw. On a tablet, this is going to be quite a bit less than on a laptop, but it's still there. Sleep does work well if you aren't going to leave it for a while, but if you are going to be away from a power source for a long period of time, you may wish to hibernate instead.

    Back when Windows 7 first came out, I read where hibernation can corrupt the OS. I don't know how true that statement is, but I've always kept in mind
    I have never seen this, nor have I ever heard a report of this happening.
      My System SpecsSystem Spec

  8. #8


    Posts : 454
    Windows 8.1 Pro with Media Center


    Quote Originally Posted by Kebero View Post
    Sleep does work well if you aren't going to leave it for a while, but if you are going to be away from a power source for a long period of time, you may wish to hibernate instead.
    A decent UPS such as my APC XS1500 coupled with APC's Powerchute Personal wakes my PC from sleep to hibernate it in the event of a prolonged outage. This means I can turn off hybrid sleep on my desktop and avoid the excessive pointless writes that could add up to 40 GB/day or more for me, far exceeding the specs Intel has published for their X25-M series SSD, which is 10 GB/day for 5 year warranty IIRC. Some people say this is overly conservative, even for the newer drives, which IIRC are rated for something like 40% fewer write cycles, mitigated to some extent by controllers that use data compression, which would be 0% mitigation for me as I use Truecrypt, which makes all my data incompressible. However, if you believe Intel, you can mitigate this by overprovisioning the drive, and Intel has papers on that, too. I don't ever shut my computer down anymore and only rarely hibernate; I've been sleeping it several times a day for a couple of years now, and it's been just great. Completely reliable.

    It should also be reasonably safe to turn off hybrid sleep on a laptop and just use regular sleep, and that's because the laptop has an internal battery. In general, you should hibernate only when you want to save the state when you shut down the computer or expect to run out of battery power. I don't know if laptops will wake to hibernate when the battery is running down.

    There is another reason to hibernate. If you use Truecrypt, hibernating ensures the next time the computer is powered on, the person using it will have to re-enter the Truecrypt password, which is important if you ever leave your computer unattended. For the desktop in my home, I assume a thief would just steal it as quickly as possible, so I don't ordinarily worry about leaving it in sleep mode, because if he rips the cord out of the wall, he'll have to reboot from scratch and go through Truecrypt. I do use a strong Windows password, so if he found my PC in sleep mode, he'd have to break that to get my data before unplugging it, and I really doubt some crackhead is going to try that much less succeed at it. (NB: None of this protects against evil maid attacks, but it does help protect against simple theft.)
      My System SpecsSystem Spec

  9. #9


    Tropical Island Pair a Dice
    Posts : 3,030
    Windows 8.1 Pro x64/ Windows 7 Ult x64


    Have a look at the Samsung 830 256GB, in this SSD endurance testing thread.
    SSD Write Endurance 25nm Vs 34nm

    These numbers are from a couple weeks ago.
    (PiB) 4.48 = 5.04 PB (Petabyte) = 5,040 TB = 5,040,000 GB
    It's showing signs of wear but, still going.

    The average desktop user writes between 7-10 GB worth of information per day.
    You can figure out your average writes and do your own calculations.
    The easy one, let's use 20GB per day of writes:
    7.3 TB per year
    5040TB/7.3 = 690 years

    Even 100 GB per day still gives you 138 years, not bad.

    Even if you get half the SSD life Christopher did your still looking at a lot of writes and a lot of years.
    This would mean the 128GB model (quick extrapolation) might get 345years at 20GB/day and 69 years at 100GB/day.
    A fifth of that is acceptable.

    Not saying reducing writes on SSDs is bad.
    I don't worry about writes to SSDs anymore.
    The rumors about SSDs being fragile are grossly exaggerated.
      My System SpecsSystem Spec

  10. #10


    Posts : 454
    Windows 8.1 Pro with Media Center


    Quote Originally Posted by Dave76 View Post
    Have a look at the Samsung 830 256GB, in this SSD endurance testing thread.
    SSD Write Endurance 25nm Vs 34nm

    These numbers are from a couple weeks ago.
    (PiB) 4.48 = 5.04 PB (Petabyte) = 5,040 TB = 5,040,000 GB
    It's showing signs of wear but, still going.

    The average desktop user writes between 7-10 GB worth of information per day.
    You can figure out your average writes and do your own calculations.
    The easy one, let's use 20GB per day of writes:
    7.3 TB per year
    5040TB/7.3 = 690 years

    Even 100 GB per day still gives you 138 years, not bad.

    Even if you get half the SSD life Christopher did your still looking at a lot of writes and a lot of years.
    This would mean the 128GB model (quick extrapolation) might get 345years at 20GB/day and 69 years at 100GB/day.
    A fifth of that is acceptable.

    Not saying reducing writes on SSDs is bad.
    I don't worry about writes to SSDs anymore.
    The rumors about SSDs being fragile are grossly exaggerated.
    I hope that's right. It doesn't change the fact that Intel rates their 520 series for "a minimum of five years of useful life under typical client workloads with up to 20 GB of host writes per day." It may be Intel deliberately set the bar low by a factor of almost 140 (their 5 years vs your 690) to limit their warranty exposure, but then they also went to the trouble of writing whitepapers on overprovisioning that reflect their published specs, which would make for a pretty elaborate fraud. Do other manufacturers specify consumer-level drives any higher?
      My System SpecsSystem Spec

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