Disk space on exchange server down to 0%

Have two exchange servers running 2003/SP1 with group shield for AV and both C: drives filled within hours. After rebooting the disk space is released and back to normal but slowly going back down.

checked file sizes and nothing abnormal found there. Page.sys file is 1.9GB which looks normal when comapring to the rest.

Any idea's?
dannyhuffmanAsked:
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Jon_HarveyCommented:
I would use the Sysinternals Process monitor to watch your file system in real time to see what is actually writing to the disk. http://technet.microsoft.com/en-us/sysinternals/bb896645.aspx
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DonNetwork AdministratorCommented:
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dannyhuffmanAuthor Commented:
This is for freeing up disk space. I need to know why the growth happened so quickly (within minutes) and what to do to stop it and monitor it.
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MesthaCommented:
What took up the space?
Without knowing what is using the space it is hard to know what the cause is.
There is nothing in Exchange that would cause the space to be released after a reboot, as Exchange writes to the drives, it doesn't do much with temporary files.

Simon.
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essexboy80Commented:
Have you ran TreeSizeFree when the disk is eaten up to see where the space is?
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dannyhuffmanAuthor Commented:
Can't see what took up the space since doing a search for large file types (over 2MB) doesn't yield one particular file of size.

Don't know what TreeSizeFree is. Can you explain how that works?
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essexboy80Commented:
Hi

TreeSize is a bit of software that scans the machine andf gives you
A breakdown of file sizes etc.

If you google it you will find it, a must have in your it toolkit.
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dannyhuffmanAuthor Commented:
Not able to download this from the JAM site. I am looking for something that can show directory size growth.
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dcsdaveCommented:
Here is what I use to report my exchange store sizes.

http://www.petri.co.il/reporting_storage_size_in_exchange.htm

A friend of mine had some print queues fill up on his server once and that was similar to the description that you have given.

Good luck.
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dannyhuffmanAuthor Commented:
I guess I need to clarify, since this is on the C: drive it does not have anything to do with Exchange storage. These are housed on different drives. Again, there are no mailbox stores on this local drive.

Thanks for the link though!
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DonNetwork AdministratorCommented:
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