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I got Munin to notify me with email if certain values goes above my thresholds. This works very well and I am happy with it. However, there is a small glitch. If any of my values is in critical or warning state and Munin sends me notification about it, then on the next Munin update run I again receive the same notification, regardless that there is no change in the status. I found out that Munin run updates by default every 5 minutes.

Is there a way to make/force Munin to send single emails only on status change (i.e. first email for critical values, second for back to normal, not critical-critical-...-critical-normal)?

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In nagios, I use retry_check_interval per active/passive check. I am not familiar with Munin, but hope this points you in the right direction. – mbrownnyc Sep 27 '11 at 21:03
up vote 5 down vote accepted

Sounds like you have alway_send set in munin.conf. Try commenting out the line and it should work like you want it to.

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