auslogics disk defrag

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  1. Posts : 11,641
    Windows 10 Home x64 Version 21H2 Build 19044.1776
       #21

    Matthew Wai said:
    The build-in one, Optimize-Volume -DriveLetter C -Analyze -Verbose, always returns the following:

    You do not need to defragment this volume.
    How does the Disk defragmenter itself behave?
    Code:
    C:\Windows\System32\dfrgui.exe
    Denis
      My Computer


  2. Posts : 7,484
    Windows 10 Home 20H2
       #22

    Try3 said:
    How does the Disk defragmenter itself behave?
    Code:
    C:\Windows\System32\dfrgui.exe
    Denis
    auslogics disk defrag-image-2.jpg
      My Computer


  3. Posts : 11,641
    Windows 10 Home x64 Version 21H2 Build 19044.1776
       #23

    Matthew Wai said:
    auslogics disk defrag-image-2.jpg
    So how does it behave?

    Denis
      My Computer


  4. Posts : 7,484
    Windows 10 Home 20H2
       #24

    How do I check how it behaves? I clicked on "Analyse", and it said "OK" as shown in my screenshot.
      My Computer


  5. Posts : 56,113
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #25

    Observation.

    In Matthew's case, a 2% fragmentation level is acceptable so the Command/Powershell analyze returns "No need to defrag".

    That's reasonable. The level may be higher, I do not know the cap value.

    A perfectly defragged HDD volume in a perfect world would start to become slightly fragmented as soon as you use it. Rewrites alone would do it. So a small level of fragmentation is acceptable.
      My Computers


  6. Posts : 25,076
    10 Home x64 (21H2) (10 Pro on 2nd pc)
       #26

    Try3 said:
    How does the Disk defragmenter itself behave?
    Code:
    C:\Windows\System32\dfrgui.exe
    The GUI does not let you do anything that may be harmful and/or pointless, such as defraging an SSD. It only allows you to perform the appropriate actions.

    However, from the command line (Command prompt or Powershell) there are no such restrictions. If you really want to defragment an SSD then the command line will let you. If you have the GUI open at the same time it will show the progress.
      My Computers


  7. Posts : 11,641
    Windows 10 Home x64 Version 21H2 Build 19044.1776
       #27

    Bree said:
    The GUI does not let you do anything that may be harmful and/or pointless, such as defraging an SSD.
    Disk defragmenter does run SSD defragging - see the references in post #3.

    Denis
      My Computer


  8. Posts : 25,076
    10 Home x64 (21H2) (10 Pro on 2nd pc)
       #28

    Try3 said:
    Disk defragmenter does run SSD defragging - see the references in post #3.
    Only if/when it deems it is required (which is seldom or never in my experience). You cannot defrag an SSD on demand from the GUI, but you can from the command line.
      My Computers


  9. Posts : 11,641
    Windows 10 Home x64 Version 21H2 Build 19044.1776
       #29

    Bree said:
    Only if/when it deems it is required (which is seldom or never in my experience).
    Yes.

    And I've never seen an SSD defrag take place [unlike lx07, who posted the Event log entries for one].

    Denis
      My Computer


  10. Posts : 7,484
    Windows 10 Home 20H2
       #30

    PowerShell Optimize-Volume -DriveLetter C -ReTrim -Verbose

    Elevated Command Prompt let me run the above although C is an HDD.
    I closed the window immediately.
      My Computer


 

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