Is it necessary to defrag a virtual hard drive?


  1. HughShaw
    Posts : 308
    Windows 7 Professional (x64)
       New #1

    Is it necessary to defrag a virtual hard drive?


    (Question of the year right here, folks!) :)
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  3. ignatzatsonic
    Posts : 12,012
    Windows 7 Home Premium SP1, 64-bit
       New #2

    Here is some google wisdom, believe it if you wish:

    Defragging the host will defrag the .vhd file, but it will not defrag the individual files within the .vhd file. To defrag the files within the .vhd you would have to run a defrag from within the VM.

    It is not recommended by the any of the companies that make defraggers as a routine maintenance step.
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  4. HughShaw
    Posts : 308
    Windows 7 Professional (x64)
    Thread Starter
       New #3

    So it sounds like we should defrag our vhd. Yet, your last statement throws me off...
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  6. ignatzatsonic
    Posts : 12,012
    Windows 7 Home Premium SP1, 64-bit
       New #4

    Hugh:

    Those aren't my opinions. They are direct pastes from Google. I have no idea of their accuracy. I take the last statement to imply that it is rarely if ever needed, but?
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  7. HughShaw
    Posts : 308
    Windows 7 Professional (x64)
    Thread Starter
       New #5

    Personally, I've never ran a defrag on my VHD, but was wondering if anyone did and noticed a speed improvement.
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