De-Frag/X Steps

Begin Stage I

  1. Identify the most heavily-used files by using sos, filrpt, or another 3rd party utility.
  2. Run fscheck as described in the user's guide.
  3. Run the batch job: jdefragx.defragx.lps.
  4. Run the defrag command on the specific files or file-sets identified in step
    Note: DO NOT run the defrag command on @.@.@.
  5. Run condense on the Ldevs involved in the running of step 4.
  6. Repeat steps 4 & 5 in small increments at a time as necessary.
    Example:defrag a group, condense the drives, defrag another group, condense the drives, etc....
  7. Run a final condense of the system after everything is finished.
  8. You are done with Stage I

Begin Stage II

  1. After the files have been defragmented, you want to go back and spread (fragment) those files evenly across all of the drives in the volume_set. If you only have the system_volume_set, then DO NOT include Ldev 1 in the spread. For example: FRAGMENT TO 2,3,4,5. Notice that Ldev1 has been omitted. If you do have private/user volumes, you are restricted from crossing volume_set boundaries.
  2. After you have "Spread/Fragmented" your files across the Ldevs in the set, run a final condense.
  3. You are done with Stage II.

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More Information

Lund Performance Solutions
240 Second Ave SW
Albany, OR 97321
Phone: (541) 812-7600
Fax: (541) 812-7611

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