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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-16588

Generating false notification(most of notifications are zabbix agent unreacheable for 5 minute) also start time is greater than end time

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Details

    • Incident report
    • Status: Closed
    • Critical
    • Resolution: Commercial support required
    • 4.0.11
    • None
    • Frontend (F)
    • None

    Description

      Dears,

      specification are:

      OS:centos 7.0

      DB:mariaDB(Galera)

      zabbix version 4.0.4

       

      I restarted my zabbix server. After couple of  time zabbix generated false notification with such a this description: "zabbix agent on 'server' is unreachable for 5 minutes also start time is greater than end time"  in most of host names which I had defined. issue has been token place for 3 days although previous notifications are working in the correct format.

      before restarting I did below actions I don't think that they are very important.

      1-  executing "nmap n -PN -sT -sU -p localhost" for finding all listening ports.

      2- changing  Database hostname and back it to normal one in less than zero one minute time.

      after occurring issue, these are works which I've done:

      1- checking timezone in all configs (php.ini, zabbix.config,..) which I know and set them to current time zone.

      2- checking logs in Proxy ,Zabbix server, but I didn't find any useful information.

      3- check all setting which I implemeted in zabbix installation time however all things were normal.

       

      Could you please support?

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            mbuhholcs DaneT
            Dahaghin Omid
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              Updated:
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