How do you monitor a monitoring server?

Posted by organicveggie on Server Fault See other posts from Server Fault or by organicveggie
Published on 2010-12-05T21:22:33Z Indexed on 2010/12/22 11:55 UTC
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Filed under:

email

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monitoring

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postfix

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nagios

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sms

So we run Groundworks (with Nagios) on CentOS to monitor our various servers and processes. I have it setup to automatically send emails and SMS texts when things reach a WARNING or CRITICAL state. Normally this works perfectly. However, twice we've had problems with Postfix on that server where Postfix decides to stop sending email. The most recent time lasted 4 days because none of us noticed.

That leads me to a important question: how am I supposed to monitor my monitoring server?

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