Why is Windows defragging my SSD?

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  1. Posts : 2,826
    Windows 10 Pro X64
       #41

    Hi,

    Windows does a certain amount of SSD defragmentation, from what I understand this is mostly oriented around the File System itself, system structures, folder structures, and MFT (Master File Table), but not the actual files themselves.
    From what I've been told through various courses there's a limit to the maximum number of file fragments within the MFT and that's what the OS does keep track of. It does not need or does take care of other fragmented files on an SSD. This a build in OS limitation.
    In practice all works fine and as said before, if you want industrial level tools to prevent fragmentation then by all means do so.
    That being said, most current SSDs have contoller hardware that takes care of everything the drive needs to keep it into top shape.

    Cheers,
    Last edited by fdegrove; 23 Apr 2017 at 18:12.
      My Computers


  2. Posts : 1
    Windows 10
       #42

    CountMike said:
    Right, one of my SSDs is on third and other one on it's second computer.
    If you are on your third computer for an SSD, then you either have a semi-useless tiny SSD drive in your computer or you are nowhere near the typical computer owner than. Most people have long since stopped getting a new computer every 18 months like what was going on in the 90s. So 3 computers would go back to when SSD drives maxed out at like 64 GB and even those were expensive and had MUCH lower write cycles to the point where you could never use it on 3 generations of computers. Unless you are a serious gamer.


    swarfega said:
    I still have 2 SSDs from 2013.
    Most average PC users are still using a 2013 computer though. So that is not a big deal. For a non-gamer, 5 years is easily doable for a computer. It is not like the 90s or early 00s when the demands for computers (internet, then broadband, then streaming video) was increasing to the point where a computer made in 1998 was horribly slow by 2000. I just switched from my 2008 computer last year and it ran fine. So most people ARE going to want their SSD drives bought now to last 5 years.
      My Computer


  3. Posts : 7,710
    3-Win-7Prox64 3-Win10Prox64 3-LinuxMint20.2
       #43

    TairikuOkami said:
    Eventhough SSD is here for years, drivers, software and even Windows can fail to manage it properly.

    To disable automatic defrag + preferably the whole maintenance (useless anyway):

    schtasks /Change /TN "Microsoft\Windows\Defrag\ScheduledDefrag" /Disable
    reg add "HKLM\Software\Microsoft\Dfrg\BootOptimizeFunction" /v "Enable" /t REG_SZ /d "n" /f
    reg add "HKLM\Software\Microsoft\Windows NT\CurrentVersion\Schedule\Maintenance" /v "MaintenanceDisabled" /t REG_DWORD /d "1" /f
    Hi,
    What is this a cmd or power shell thing ?
    Could you use code box so forum doesn't mess with the goodies you posted :)
      My Computers


  4. Posts : 7,257
    Windows 10 Pro 64-bit
       #44

    lakawak said:
    If you are on your third computer for an SSD, then you either have a semi-useless tiny SSD drive in your computer or you are nowhere near the typical computer owner than. Most people have long since stopped getting a new computer every 18 months like what was going on in the 90s. So 3 computers would go back to when SSD drives maxed out at like 64 GB and even those were expensive and had MUCH lower write cycles to the point where you could never use it on 3 generations of computers. Unless you are a serious gamer.




    Most average PC users are still using a 2013 computer though. So that is not a big deal. For a non-gamer, 5 years is easily doable for a computer. It is not like the 90s or early 00s when the demands for computers (internet, then broadband, then streaming video) was increasing to the point where a computer made in 1998 was horribly slow by 2000. I just switched from my 2008 computer last year and it ran fine. So most people ARE going to want their SSD drives bought now to last 5 years.
    I will probably be looking to replace them next year.
      My Computers


  5. Posts : 19,215
    W11+W11 Developer Insider + Linux
       #45

    lakawak said:
    If you are on your third computer for an SSD, then you either have a semi-useless tiny SSD drive in your computer or you are nowhere near the typical computer owner than. Most people have long since stopped getting a new computer every 18 months like what was going on in the 90s. So 3 computers would go back to when SSD drives maxed out at like 64 GB and even those were expensive and had MUCH lower write cycles to the point where you could never use it on 3 generations of computers. Unless you are a serious gamer.




    Most average PC users are still using a 2013 computer though. So that is not a big deal. For a non-gamer, 5 years is easily doable for a computer. It is not like the 90s or early 00s when the demands for computers (internet, then broadband, then streaming video) was increasing to the point where a computer made in 1998 was horribly slow by 2000. I just switched from my 2008 computer last year and it ran fine. So most people ARE going to want their SSD drives bought now to last 5 years.
    under "My Computer" you can see two of them. Second one (FX 6350) it's Kingston 120GB SSD was bought about 5 years ago and was transferred to this Ryzen system for a while until I got newer 240GB one, It's back to FX system also used every day. I never had a SSD under 120GB.
    Now on this Ryzen system I'm sporting 3 SSDs of 150GB. One is for windows and it's Samsung 960 evo and two other 240GB ones, one for LInux and other for games. 960 Evo is newest one, from about a year ago, One is also from FX system, 3 year old and 2 year old Kingston. All are 100%. healthy.
      My Computers


 

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