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I've recently installed munin on my VMware client server and saw that the Disk usage shows about 80-90%. Everything else (cpu load, ram, etc.) seems to be running fine. I have only two virtual hosts on my server with 1000 users/day in total, so I don't think that's too much.

Here is the graph for the disk usage.

Server info: Debian Lenny, CPU 510Mhz, RAM 512MB

Is it bad? What could possibly cause this?

Thank you for any suggestions.

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2 Answers

up vote 2 down vote accepted

The /var directory is used for various things which can cause this. For example a log file, mail queue or database. You can use the command du to see which directory is taking most of the disk space and take appropriate actions.

du -h --max-depth=2 /var
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Oh, stupid me. I thought the disk usage was some kind of disk load indicator :-) –  user38484 May 25 '10 at 11:36
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could configure 'munin' to contact 'nagios' monitoring solution if anything goes wrong with 'munin' as http://munin-monitoring.org/wiki/HowToContactNagios

this way you can judge the effect of munin over the situation

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