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Missing Disk Space SBS 2003

We have Windows SBS 2003.

Windows is reporting low disk space availability on the C: drive which is 12Gb.  On totting up the folder contents I can only find about 6.5Gb (including the hidden and protected folders).  The partition is NTFS, dynamic, mirrored.

Any thoughts on where the remaining space has gone, or suggestions for good utilities for analysing disk space utilization, please?
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johnalphaone
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johnalphaone
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1 Solution
 
Lee W, MVPTechnology and Business Process AdvisorCommented:
You SAID you totaled the space - but you didn't bother listing what you totaled.  

First, I'd reboot the server.  Then I'd use DIRUSE (not TreeView as many others like to suggest) to determine which folders are in fact taking up space.

I would suspect you are forgetting the pagefile, typically in the root of C: and the contents of the System Volume Information folder, which likely includes Shadow Copy and possibly other backup data.
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Andrew DavisManagerCommented:
never heard of DIRUSE (but if lee suggests it, then it cant be bad). Personally i would run treesize (http://www.jam-software.com/) and also Cleanup! (http://www.stevengould.org/index.php?option=com_content&task=view&id=15&Itemid=69) to clean out the temps.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
DIRUSE - command line tool, part of the Windows 2000 Resource kit - free from Microsoft and more info is here:
http://support.microsoft.com/kb/927229

It's NOT Graphical - but it IS more accurate than ANY other program I've seen.  When you don't have access to a folder, other programs don't include the size of that folder.  DIRUSE seems to work regardless.
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Andrew DavisManagerCommented:
just had a look at DIRUSE . It looks like it would be handy if treesize failed to report correctly, but the effort to put it all out to a log file and then import it into excell or something to sort it into something thats meaningfull.... man give me the gui any day.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
It's not that difficult - a simple output redirection.

That aside, I run it several times (up arrow is really handy) and narrow it down, finding the culprits.
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johnalphaoneAuthor Commented:
Thanks, DIRUSE helped resolve the problem.  Program Files was way bigger than was being reported.  Underlying cause was Exchange Diagnostic Logging being left on.
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Andrew DavisManagerCommented:
that will do it. Glad to hear you got it sorted.
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