Windows 10: Why can't you defrag an SSD regularly? What does trim mean?

Discus and support Why can't you defrag an SSD regularly? What does trim mean? in Windows 10 BSOD Crashes and Debugging to solve the problem; defrag SSD regularly? What does trim mean?... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by ClarenceMeyer, Dec 26, 2019.

  1. CLARENCEMEYER
    ClarenceMeyer Win User

    Why can't you defrag an SSD regularly? What does trim mean?


    defrag SSD regularly? What does trim mean?

    :)
     
    ClarenceMeyer, Dec 26, 2019
    #1
  2. REZA_MESGARAN
    Reza_Mesgaran Win User

    Defragment & SSD

    Hi.

    I have installed a Samsung SSD 850 Evo on a Windows 10 build 10.0.14393.

    In the Defragment software, I saw "trimmed" instead of "defragmented".

    What is trim? Is it necessary to run defragment on SSD?

    Running defragment makes any problem to SSD or not?

    Thank you.
     
    Reza_Mesgaran, Dec 26, 2019
    #2
  3. BULLDOGXX
    BulldogXX Win User
    Windows defragment my SSD

    Windows doesn't defragment SSDs. It 'optimizes' them, which means running the TRIM command. That's like putting your SSD on Weight Watchers.
     
    BulldogXX, Dec 26, 2019
    #3
  4. NAVYLCDR
    NavyLCDR Win User

    Why can't you defrag an SSD regularly? What does trim mean?

    Should SSD's be defragmented


    Unlike defragging, Trim on an SSD is just Trim, it doesn't matter which program initiates it the results will be exactly the same. Trim doesn't move files, trim resets storage locations on the SSD that have had data previously stored there. There are two steps required to make a storage location available on an SSD. The first step is to delete the previous data. The second step is to reset the storage location for reuse. The first step is done on-command at the moment it is required. The second step is only performed when either there are no more reset data locations available for use or periodically, hopefully during idle periods. By waiting for an idle period to do the second step, the SSD performance is increased. The second step is the trim operation.
     
    NavyLCDR, Dec 26, 2019
    #4
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Why can't you defrag an SSD regularly? What does trim mean?

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