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Defragmenting a disk

Purpose

This article describes how to defragment a disk. Defragmenting a disk is required to address problems encountered with an operating system as a result of file system fragmentation. Fragmentation problems result in slow operating system performance.

Resolution

Determine if fragmentation of your file system is causing problems by defragmenting.
 
Note: Linux file systems do not require disk defragmentation and Mac OS performs disk defragmentation as required. To manually defragment a disk in either of these operating systems, a 3rd party application is required.
 

Defragmenting a disk under Windows

 

This can be done by using a 3rd party application or by using tools native to Windows. If you have more than one hard drive, perform the defragmentation on each hard drive.
 
Note: The exact procedure differs between versions of Windows. If one procedure does not work, try the other. If both do not work, consult the manual for your version of Windows.

To defragment a disk from the user interface:
  1. Double-click the My Computer icon.
  2. Right-click the entry for your local disk.
  3. Click Properties.
  4. Click the Tools tab.
  5. Click Defragment Now.
  6. Click Defragment.
To defragment a disk from a command line:
  1. Open a command prompt. For more information, see Opening a command or shell prompt (1003892).
  2. Type defrag c: and press Enter.

    Note: If the local disk being defragmented is not c: , replace c: with its drive letter.

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Actions
  • KB Article: 1004004
  • Updated: Aug 14, 2009
  • Products:
    VMware ACE
    VMware Capacity Planner
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    VMware Converter
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    VMware Virtual Desktop Manager
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