Zabbix server trigger hysteresis » Historie » Version 1
Jeremias Keihsler, 13.01.2017 18:39
| 1 | 1 | Jeremias Keihsler | h1. Trigger hysteresis |
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| 3 | if an item flaps around the trigger-value you will have multiple "PROBLEM" -> "OK" -> "PROBLEM" -> "OK". To circumvent this using a hysteresis for the trigger is desireable. |
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| 5 | <pre><code class="bash"> |
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| 6 | ({TRIGGER.VALUE}=0 & {Zabbix server:system.W510.sensors.temp.1.last(0)}>85) | ({TRIGGER.VALUE}=1 & {Zabbix server:system.W510.sensors.temp.1.last(0)}>75) |
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| 7 | </code></pre> |
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| 9 | This trigger will fire as soon as temperature raises above 85 but will stay triggered until the temperature is lower 75. |
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| 11 | @TRIGGER.VALUE@ is a Zabbix-macro. It returns=0 if the current state is @OK@ and returns=1 if the current state is @PROBLEM@. |
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| 13 | see also https://www.zabbix.com/documentation/2.0/manual/config/triggers/expression |