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Zabbix 3.4.14 false alarms

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  • novakm
    Member
    • Apr 2009
    • 38

    #1

    Zabbix 3.4.14 false alarms

    Hello everyone.
    Today I encountered a false positive alarm from zabbix. I see a following event in history
    Event source details
    Host host1
    Trigger host1 is unavailable by ICMP
    Severity Average
    Problem expression {host1:icmpping.max(#3)}=0
    Recovery expression {host1:icmpping.min(#3)}=1
    Event generation Normal
    Allow manual close No
    Enabled Yes
    Event details
    Event host1 is unavailable by ICMP
    Time 2018-12-13 07:42:40
    Acknowledged No
    Resolved by Trigger
    Tags
    However, when I look at the history, minimum, maximum and average are all 1 in the graph for days. When I looked at the values, I see
    2018-12-13 07:48:17 Up (1)
    2018-12-13 07:47:17 Up (1)
    2018-12-13 07:46:17 Up (1)
    2018-12-13 07:45:17 Up (1)
    2018-12-13 07:44:17 Up (1)
    2018-12-13 07:43:17 Up (1)
    2018-12-13 07:42:17 Up (1)
    2018-12-13 07:41:17 Up (1)
    2018-12-13 07:40:17 Up (1)
    2018-12-13 07:39:17 Up (1)
    2018-12-13 07:38:17 Up (1)
    2018-12-13 07:37:17 Up (1)
    2018-12-13 07:36:17 Up (1)
    I look rather dumb and it's quite embarrassing as the customer confronted me having access to data above...

    Can anyone please tell me, why did the trigger activate?
    Last edited by novakm; 13-12-2018, 16:13.
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