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What the Heck is Filling Up My Server?

It’s an Admin’s worst nightmare (well one of them).

A server’s system disk is quickly running out of space for no apparent reason. You know that when the system drive fills the server is going to shut down and you’re going to have a lot of unhappy users. You need to find out what is taking up so much space.

There are several tools for looking around your drive and getting a visual image of what is on it. Tools like WinDirStat, Folder Size and TreeSize all do a nice job of showing you where all that space is going.

But sometimes you need a quick and dirty tool and (if you’re like me) you don’t want to install something on your servers unless you really need to.

That’s one great thing about SequoiaView, it gives you a nice visual map of any drive or folder without installing anything. Download the zipped version, unzip it and run the executable. There’s nothing to install or risk messing up your servers with. Delete the whole folder when you are done and there’s no trace of it.

Of course, I am using JFFNMS to monitor my network so I was able to learn about this impending disaster early enough to do something about it. In my case – I had forgotten to reconfigure the IIS logging on my Exchange server, so the OWA logs were slowly filling up the system drive since they default to Windows\System32\LogFiles.

What do you use to monitor disk space on your servers? Do you have any horror stories to share with AtA? Well that is what the comments are for!

You can leave a response, or trackback from your own site.

10 Responses to “What the Heck is Filling Up My Server?”

  1. AstroMan says:

    I'm using Nagios for checking several things on my servers : disk space, CPU load, virtual memory, if a service like print spooler is started etc…
    If any of these checks goes wrong, i receive an email. And if i'm not at my desk, i receive a text message on my mobile phone :)
    A bit tricky to configure but very powerful !

  2. AskTheAdmin says:

    I am going to check that out AstroMan! Thanks buddy.

  3. AstroMan says:

    You're welcome :)
    The Nagios Interface is not very user friendly. But you can install another interface : Centreon. check this out here : http://www.centreon.com/Product/Screenshots.html “>http://www.centreon.com/Product/Screenshots.html

  4. AstroMan says:

    You're welcome :)
    The Nagios Interface is not very user friendly. But you can install another interface : Centreon. check this out here : http://www.centreon.com/Product/Screenshots.html “>http://www.centreon.com/Product/Screenshots.html

  5. Michael says:

    Windirstat is exactly what i was looking for!

  6. AskTheAdmin says:

    Glad we could help! Now go clean out all that old unnecessary porn!

    Is that an oxymoron?I think it is!

  7. javad says:

    It was problem with Server Indexing which was filling my hard disk within one day. Almost 70GB each day.
    I turned the Indexing OFF and it solved the problem,
    Indexing files not shown in the C drive and only i found the big file when I used SequoiaView.
    The files are in this Directory~ in Server 2003:
    \System Volume Information\catalog.wci

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