Re: [Zabbix-users] math operation into trigger name

[Volker F. <vol...@gm...>]

Unfortunately this is true: https://support.zabbix.com/browse/ZBXNEXT-1049

If you need the same key, you can try a cheap trick, wich is adding 
parameters that are the default anyway, so the key looks different.

Please also consider to vote on the following ticket:

https://support.zabbix.com/browse/ZBXNEXT-1490

Greetings,

Volker

Am 2014-07-10 14:15, schrieb Nikolay Petrov:> Thanks for your reply!
 >
 > 1 question: regular_item.last() and delta_item.last(), they cannot have
 > same item.key, as when created second one with delta store,per your
 > recommendations, the error is "Item with key .... already exists", right?
 > If so, what is the second item that you pointed to?
 > My items are into Template and Template is currently assigned to the 
hosts.
 >
 > --
 > /Regards,/
 > /Nikolay G. Petrov!/

 > Am 2014-07-08 16:38, schrieb Volker Fröhlich:
> On 07/08/2014 04:11 PM, Nikolay Petrov wrote:
>> ​[zabbix version 2.0]​
>>
>>
>> Hi​!
>> ​Do you know how can be implemented/integrated result of simple math
>> operation into trigger name.
>>
>> Try to explain:
>>
>> for example, time-to-time we receive item1 with value=20
>> on the next check we receive item1 with value=26
>>
>> Mt question is is it possible to put into trigger name result of
>> difference between item.last-item.previous ? If yes could you please
>> explain or show the example?
>>
>>
>
> Doesn't work! You can have an extra item with "Store Value: delta".
> Include that in your trigger expression in a neutral way:
>
> {host.regular_item.last()}>10 & ({host.delta_item.last()}>0 |
> {host.delta_item.last()}<1)
>
> The term in brackets is always true. If regular_item now goes over 10,
> both parts are true, thus sending the trigger into PROBLEM state.
>
> Make your trigger description something like "Value above 10, change is
> ITEM.VALUE2". VALUE2 references the value of the second item in your
> expression.
>
> Greetings,
>
> Volker
>
>
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