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in nagios each day I get notification critical alarm " CRITICAL - Plugin timed out while executing system call" daily at 5:00 am and at 5:10 am I got recovery notification, it is something strange below is script that i use for device, anyone faced this issue before
If this issue only affects this service check, and it consistently occurs at the same time every day, it's very unlikely that it's caused on the Nagios side. I would look at the logs on GRS-BB01 and see if anything unusual happens at 5:00AM. Also, if you're monitoring other metrics on GRS-BB01, you might look at the memory and cpu performance graphs in Nagios to see if there are any spikes at that time. Let me know what you find out.
.1.3.6.1.2.1.2.2.1.8.28 is checking ifOperStatus on interface 28
It is possible because of some other process that is going on that your switch is very busy between 5:00 am and at 5:10 am and being SNMP is rated low priority, is not giving a response during that time.
as mentioned before :
bolson wrote:If this issue only affects this service check, and it consistently occurs at the same time every day, it's very unlikely that it's caused on the Nagios side. I would look at the logs on GRS-BB01 and see if anything unusual happens at 5:00AM. Also, if you're monitoring other metrics on GRS-BB01, you might look at the memory and cpu performance graphs in Nagios to see if there are any spikes at that time