Nagios Support Forum

Hello, We have a Nagios 4.3.1 install and have found that Nagios is not sending notifications on recovery of a service after scheduled downtime has ended. We've enabled debug output for notifications and found Nagios would log "We shouldn't notify about this recovery" when it would perform...

I'm assuming so based on the OS below in the post where you say the above, but can you clarify that the OS install is also the same? You asked specifically if there was an OS setting, so that's why I'm going there. Also...that's an absolute ton of checks. I am not at all surprised that you have iss...

I tested single-quoting the argument list, and unfortunately, there was no change. Though, I'm not surprised as the other Nagios host (BRAVO) has the same checks running without issue.

I've increased number of workers by setting check_workers=80. Unfortunately, we still see the mass amounts of timeouts and "NRPE: Unable to read output" every few minutes. I've had it enabled for about 6 hours now. Regarding the Tuning documentation, here are my comments: #1 - We graph ser...

Do you see anything happen in the nagios.log files or the /var/log/messages file on the Nagios server before the timeout's happen? Can you go to the Performance Info menu in the Nagios GUI, screen capture that and post it here? About the timeouts returning a critical and not an unknown like before,...

Sorry for the thread necromancy, but I felt that it was relevant as I'm a colleague of mhawkins, and we're still experiencing this issue. I've attached the requested nagios.cfg and the output from ps. Once again, no signs of issues around performance/resource usage of CPU/DISK IO/MEM/NETWORK IO/etc....