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My 40GB System Partition is full. But it should only contain about 12GB of data.

I have a AD Controller that has a 40 GB System partition. I discoverd that it only had 2mb free. I moved the 400+MB i386 folder to another partition and now I only have 20mb free. I thought that i may have a but what should i be lookgin for? I have moved the hidden compressed file severl times but can't seem to discover what is eating up my space.
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CADRE308
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CADRE308
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2 Solutions
 
younghvCommented:
Have you searched your entire partition for 'hidden and system' files - in all profiles?
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younghvCommented:
If would help if you tell us more about the functions/applications (if any) that run on that server.
You could also do a search for all large files anywhere on the partition.
Some AV programs will stack up all of the old DAT files - which can take up a lot of space.

Of course, all of the 'temp' files can be deleted.
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CADRE308Author Commented:
Yes, the largest file is Program Files with 13GB. at most i shouldn't have more that about 20Gig or so used.
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CADRE308Author Commented:
I am running MS 2003 Server with Exchange 2003. (the exchange database is on another partition). SQL Server, (Databases on a seperate partition) I am also running Symantec AV Corporate edition. I will see if i can find the old definition files.
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CADRE308Author Commented:
Thier is a folder in C:\Windows\Driver Cache that is 111MB. Is that something that can be move or deleted?
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MichaelKHuberCommented:
If the server crashes, check for *.dmp files. By default they will be as big as the physical memory and just afew crashes can eat up the drive real fast.

If the server is a print server check C:\WINDOWS\system32\spool\ to make sure any old temp spool files are no longer there.
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CADRE308Author Commented:
I don't have any .dmp files. I do have about 75mb in the C:\windows\system32\spool.
I have drivers, printers and prtprocs. Drivers and prtprocs are shared. prtproces has less than 1mb in it.
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MichaelKHuberCommented:
How big is your Window directory? One of my domain controllers Windows directory is 3.71GB.

How big is the Documents and Setttings folder?
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CADRE308Author Commented:
Windows 3.2 GB Documents and Setting 526 MB
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KirillMuellerCommented:
Have you looked for "Shadow Copies"? It seems like moving the i386 folder just created almost as much data as has been freed by the move operation which sounds like shadow copies are enabled and eat up all available space.

Right-click the system drive in Explorer, choose "Properties", choose the "Shadow Copies" tab and check space usage.

The shadow copies reside in the "\System Volume Information" directory which is a hidden system directory with restricted access rights. That's why spotting this kind of waste of disk space is so difficult.
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ubigCommented:
How big is your page file ? It could be that it increased instantly as you made some free space if your server is low on virtual memory. You could restrict your pagefile size on your C: drive and create additional page file on another partition. To do so, open Control panel->System->Advanced. Find Performance section and click Settings. Select Advance tab and click Change under virtual memory section. Make size adjustments but I would recommend to leave at least half of the size of your physical memory. Then add additional pagefile on another partition and choose size not smaller than you reduced on your C: drive. Don't put paging file on a hard disk where your databases are located as it could impact server performance.
You could use TreeSize utility to calculate folders size including subfolders and find out where most of your disk space goes. This tool can be found here: http://www.jam-software.com/freeware/index.shtml.
If you cannot find where your disk space has gone, you should check your NTFS partition with chkdsk utility.
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CADRE308Author Commented:
Shadow copies is not enabled.
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CADRE308Author Commented:
I didn't think of the page file. Would it cause problems if i moved the page file to another partition?
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KirillMuellerCommented:
It could also be the content index. Anyway, consider granting yourself permissions to access the "\System Volume Information" folder and check its size.
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CADRE308Author Commented:
System Volume is 18 GB. Can anything be done with this?
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KirillMuellerCommented:
What kind of files are eating the space? Many small ones or few big ones? What extension do they have, if any? Do the file names contain GUIDs?
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KirillMuellerCommented:
Try restarting the service "Volume Shadow Copy" and see if it does anything to the files.
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CADRE308Author Commented:
The largest are .ci files. The are 6, 5, and 1 gig files. There are also some .dir and some .bk2 files.
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CADRE308Author Commented:
"Volume Shadow Copy" is in manual mode and is not running. Should it be running?
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KirillMuellerCommented:
Could be that starting "Volume Shadow Copy" removes the files. Try also enabling and disabling shadow copies on the C: drive.

I'm not sure if it's Shadow Copy that causes the waste, but it's worth a try. Currently, I have a similar problem on an external USB drive that used to contain an installation of Vista...
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ubigCommented:
You cannot move pagefile manually. You can do it only as I described above. And it's actually not file move, it's how you distribute your page file on logical disks.

But it seems that problem is not in a paging file. There should not be such big .ci files on C: drive. I'm not even sure what those files are. What folder are they located in ?

Also you could move your backup files to another drive. bk2 looks like a backup files.
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CADRE308Author Commented:
I Started Volume Shadow Copy and now I have "ZERO" Free Space. I stopped now
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CADRE308Author Commented:
The .co and .bk2 files are located in the "System Volume Information" file
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CADRE308Author Commented:
The best i can tell from Google searches is that the information in the System Volume Information folder has to do with system restore points. As far as i can tell that isn't a feature in server 2003. I tried to move a 1GB file but it wouldn't  let me. I said that the file was in use.
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CADRE308Author Commented:
As it turns out the contents of the Systme Volume Information folder was associated with the Indexing Service. I Stopped the indexing service and deleted one of the 1GB files which suprisingly freed up over 3 GB of data.
Thanks to all for your assistance.
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