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Zabbix busy unreachable poller processes – Quick solution!!

Oops!! Frustrated with Zabbix busy unreachable poller processes? We can help you fix it.

This problem can be fixed by changing the value of StartPollersUnreachable accordingly.

At Bobcares, we often receive requests regarding Zabbix as a part of our Server Management Services.

Today, let’s see how our Support Engineers fix this problem for our customers.

Why unreachable poller?

While dealing with the Zabbix, we may encounter some problem regarding trigger values.

Today, we are going to discuss one such problem regarding “Zabbix proxy poller processes more than 75% busy” trigger and the way we fix it.

Zabbix busy unreachable poller processes

The unreachable poller may occur :

1. While the apparatus in monitoring Zabbix agent is collecting data and at that time the state machine crashes.

2. When the data is collecting and the Zabbix agent dead without accessing data.

How we fix Zabbix busy unreachable poller processes?

Recently, one of our customers approached us with a request that he is getting unreachable poller processes more than 75% busy in Zabbix server.

So, our Support Engineers checked in detail and found that some discovered interfaces do not exist. So, we did the following.

Our Engineers set the “Keep lost resources period” value to zero and done the discovery again.

Keep lost resources period=0

This solved the problem.

 

Also, we handled another situation in which the customer approached us with the same problem. We checked the problem in detail, and we made some changes.

As the host monitored over ssh-agent, we switched to passive mode and set “StartPollersUnreachable” value to 10 in Zabbix configuration file /etc/zabbix/zabbix_server.conf

StartPollersUnreachable=10

Finally, we restarted the service and this fixed the problem.

Note: unreachable poller processes are not used in active mode. And, its application also depends on the agent used. Also, the StartPollerUnreachable may vary accordingly.

[Need any further assistance in fixing Zabbix errors? – We’ll help you]

 

Conclusion

In short, this problem may occur when StartPollersUnreachable value is not set properly. Also, we saw how our Support Engineers find fix for the problem with Zabbix busy unreachable poller processes trigger for our customers.


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