Windows 8 and 8.1 Forums

Defrag and SSD

  1. #1

    Defrag and SSD


    Hello Guys,

    For those of you with a SSD boot drive do you leave defrag switched on or do you disable it. I have a Samsung 840pro and the documentation that came with the drive says that Defrag has to be disabled via their Magician software but on various posts around the internet some people are saying that it should be left on with Windows 8 as Windows 8 detects the drive as being a SSD drive and instead of defragging it it does some maintenence on the drive such as trim and garbage collection.

    I have emailed Samsung about it and will post their replay when I get it.

    Thanks

    Tony

      My System SpecsSystem Spec

  2. #2


    Posts : 1,770
    Windows Phone 6, Windows CE 5, Windows Vista x32, Windows 7 x32/x64, Windows 8 x64


    SSDs should not be defragged, they work on an entirely different disk management system. I have the Samsung 830 and you won't go wrong if you do what the SSD Magician suggests.
      My System SpecsSystem Spec

  3. #3


    The optimizer in w8 for drives runs a force trim on the drive.

    Optimize Drives - Defrag HDD and TRIM SSD in Windows 8

    If you are using a single ssd in achi mode you already have trim. GC runs at the fw level on the drive, you will have that in w8 also.

    As Ray8 has said the OS will know it's an ssd and it will not defrag the drive. It does like to setup a schedule for optimizing though. Nothing to worry about from that.
    Last edited by Brink; 01 Feb 2013 at 14:18. Reason: added tutorial link for more info
      My System SpecsSystem Spec

  4. #4


    So would you recommend enabling defrag and enable for all drives?.

    I have also got 2 hdd's as well that I would like to keep defragged
      My System SpecsSystem Spec

  5. #5


    Posts : 446
    Win 8 64-bit


    Windows 'should' automatically detect that you have a SSD installed and instead of defragmenting it, re-trim it. I say 'should', because when it first ran on my computer, Windows carried out a full 6-pass disc defragmentation on the SSD. No idea why.

    Afterwards, I also found that during 'Automatic Maintenance', even though Windows was set to Optimise Drives daily, it wasn't re-trimming the SSD. Here's my original post on it:
    Optimise Drives Not Re-Trimming SSD Drive During Automatic

    So, in conclusion, if it works for you as it should, then it will be OK, but as I found it to be unreliable I just switched optimise drives off and instead set up a scheduled task to run '%windir%\system32\defrag.exe C: /L' daily on system idle (the 'L' switch is to 'Perform re-trim on the specified volumes', in this case C: ).
      My System SpecsSystem Spec

  6. #6


    Posts : 1,770
    Windows Phone 6, Windows CE 5, Windows Vista x32, Windows 7 x32/x64, Windows 8 x64


    Quote Originally Posted by tonymarcus View Post
    So would you recommend enabling defrag and enable for all drives?.

    I have also got 2 hdd's as well that I would like to keep defragged
    Use SSD Magician and let it optimise the SSD (it'll disable defrag only for the SSD). That's all you have to do.
      My System SpecsSystem Spec

  7. #7


    Posts : 19
    Windows 8


    Downloaded the latest SSD Magician - when I go to install it I get a cryptic message that states "this product cannot be installed on Windows NT 6.1 or later...." WTF!!!!
    Anyway, this leads to perhaps a more fundamental issue - when I go to optimize my SSD, Windows will not allow it. I have a Samsung ATIV 500T SmartPC Pro Tablet with a 64 GB SSD (at least that's what Samsung advertises the SSD as) BUT, when I run any system info app, it shows the 64 GB Drive as a MMC - maybe this kind of drive cannot be optimized??

    Anyway, is there some sort of app that will allow optimization of thjis machine's drive?


    Quote Originally Posted by Ray8 View Post
    Quote Originally Posted by tonymarcus View Post
    So would you recommend enabling defrag and enable for all drives?.

    I have also got 2 hdd's as well that I would like to keep defragged
    Use SSD Magician and let it optimise the SSD (it'll disable defrag only for the SSD). That's all you have to do.
      My System SpecsSystem Spec

  8. #8


    I installed the latest Magician last weekend and it installed fine on my system. It looks like the Magician software completely disables defrag as it will not run from Windows 8 or from CMD, the window will not open at all, no errors. If I enable defrag via Magician it will run fine
      My System SpecsSystem Spec

  9. #9


    I think we'll have to wait for Samsung to come back to me, here is there response so far:-

    ..

    thank you for your email.

    Based on our information Windows 8 works little bit differently from W7, so
    it should recognized the differences between HDD and SSD and not perform the
    defragm on the SSD.

    I'll double check again with our engineer and I get extra info I'll come back
    to you.
      My System SpecsSystem Spec

  10. #10


    Posts : 19
    Windows 8


    Could you please state the latest version of Magician?
    TIA

    Quote Originally Posted by tonymarcus View Post
    I installed the latest Magician last weekend and it installed fine on my system. It looks like the Magician software completely disables defrag as it will not run from Windows 8 or from CMD, the window will not open at all, no errors. If I enable defrag via Magician it will run fine
      My System SpecsSystem Spec

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