Running disk defragmenter again still takes long

Discussion in 'Windows Vista Performance' started by Mickey Segal, Feb 2, 2007.

  1. Mickey Segal

    Mickey Segal Guest

    I ran Disk Defragmenter earlier today and it took 7 hours (on a 2.66 GHz
    computer with a 80 GB hard drive). I re-booted and ran it again, and it has
    been running for an hour. On Windows XP, Disk Defragmenter would run for
    very little time on the second run with the same computer. Is some extra
    service being provided here, such as moving around files to keep the bits
    from decaying? Or is it just inefficient?

    I agree with others that not having displays of progress is a bother - if
    some people found the display burdensome it could be off by default.
     
    Mickey Segal, Feb 2, 2007
    #1
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  2. The number of file extents (that is the number of files + extra extents, see
    defrag /v) will affect how much time your defrag takes.
    Also the number of free space extents and the size of each will affect
    defrag time.
    Lastly, Defrag runs at low priority, so if you are doing something else on
    the computer defrag will yield to whatever else is happening.

    The 80GB hard drive size is not the most important

    For more info see
    http://blogs.technet.com/filecab/archive/tags/Disk+Defragmenter/default.aspx
    and our faq.

    -Victoria
     
    Victoria House [MSFT], Feb 2, 2007
    #2
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  3. Mickey Segal

    Mickey Segal Guest

    No one was using the computer, but I don't know whether some other service
    was running such as file indexing. During the same day the amount of free
    space reported dropped and then increased by 7 GB, and the System Volume
    Information folder changed from reporting 20 GB to reporting empty.
     
    Mickey Segal, Feb 3, 2007
    #3
  4. Mickey Segal

    Robert Moir Guest

    It's frustrating but apparently the progress indicator that was shown in
    older versions of Windows was actually lying to us anyway. And it's worth
    remembering that Windows users are the only group of operating system
    consumers that obsess over watching their disks defragment, which says
    something about either us, the OS or both, and I suspect what it says is
    nothing good.

    I know it's hard to break old habits but if you want to watch an animation
    that has nothing to do with what is actually taking place on your disk
    during the defragger's run, I personally suggest old futurama or simpsons
    cartoons.
     
    Robert Moir, Feb 3, 2007
    #4
  5. Mickey Segal

    jerhynearson Guest

     
    jerhynearson, Apr 10, 2007
    #5
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