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© J.C. Kessels 2009

How do I defragment unmounted volumes?

Make a copy of the script that you want to run (for example "OptimizeWeekly.MyD") and modify it with a text editor such as the "Notepad" accessorie. Look for the section between "VolumeSelect" and "VolumeActions" and change it into something like this:

Example

VolumeSelect
  Mounted(no)
VolumeActions
  ...
VolumeEnd

  • Volumes can be dismounted with the "fsutil volume dismount d:" commandline.
  • Use the "mountvol" commandline to get a list of all volumes, including unmounted volumes.
  • Unmounted harddisks are seen as mounted. I don't know why....
  • MyDefrag has to open the volume in order to test if it is mounted.
  • The NTFS file system treats a locked volume as a dismounted volume.

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