What is the performance impact of having little space available on my c drive ?

Posted on 2006-05-03
Last Modified: 2010-04-13
I have a server farm that was 20+ Windows 2000 Terminal servers. I am having performance issues, and one of the things that I have noticed is that several of the servers have approx 100MB free on the c drive. All the servers have swap files of 3GB available on an separate drive (x:)

My question is this, does the fact that there is a lack of space on the c: drive have any influence on the system performance when the swap file is on a separate drive ?
Question by:gavanhorton
    LVL 5

    Assisted Solution

    Could be. Where do the %TEMP% and %TMP% variables point to? (one way to check is click START....RUN type %temp% and hit OK - the folder that opens is the setting for %temp%. Same for %TMP%).
    LVL 5

    Accepted Solution

    Yes this will still have an impact on performance.  Just like the IT garage stated temp folders are impacted by the lack of space.  You can also move the temp folders to another drive.  The print spooler needs plenty of space but that can also be moved to another drive.  

    One way to free up space on the C: is to change where the profiles are kept.  On terminal servers the profiles can take up a lot of space but they too can moved to another drive if you are limitted in space on the C:  
    LVL 16

    Assisted Solution

    I've seen many servers brought to their knees by a full c:.
    Make sure the roaming profiles are properly deleted (as should be defined in group policy), change %temp% and %tmp% system variables to another drive.
    Move or remove the $ntuninstallkb folders from the Windows folders (assuming you have an automated system for disaster recovery).
    And check that users don't accidentally have "write" permission on some application folder that's filling up. "Treesize pro" is a nice utility to see where the disk-space drain is.
    LVL 5

    Assisted Solution

    You can also delete all files found older than 1 day found with the following search:
    *.DMP (any found tend to be big depending on crash recovery settings)
    LVL 1

    Author Comment

    Thanks everybody, you've all answered my question. I'll split the points around.

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