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How to make a single Correlated Information alarm that groups element alarms?

Solved1.29K views6th December 2021Correlation rule CubeAlarms
2
Mieke Dryepondt [SLC] [DevOps Advocate]3.58K 2nd December 2021 0 Comments

Hello,

We aim to have a single information event that will group all alarms with a specific value.
When we define the rule and have a alarm console tab page that combines Active alarms and Information events, we see that the correlated information alarm is created multiple times.

From the Root Alarm ID I can see that a new correlated information alarm is generated when there is an update in at least one of the matching alarms.

  • What is the expected behavior?

Additionally it also creates 2 entries every time the rule triggers

  • What is the expected behavior?

The correlation rule has "auto clear" enabled in the actions section. I would expect the the information alarm to be removed when all matching alarms are cleared. But this is not the case, the information is never removed.

  • When will the correlated information alarm be removed from the console?

I would also expect the Parameter Description value of the correlated alarm to be the same as the base alarm, but it is using the table name.

Current result with duplicate information alarms:

Alarm console settings: History tracking, Correlation tracking, Automatically remove cleared alarms.
Correlation rule:

DataMiner (10.1.11.0-11105-CU1)

Mieke Dryepondt [SLC] [DevOps Advocate] Selected answer as best 6th December 2021

2 Answers

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Laurens Vercruysse [SLC] [DevOps Advocate]346 Posted 3rd December 2021 0 Comments

I would recommend going for a different setup if at all possible.

I'm going to join Jan-Klaas in his answer and say that Auto Clear is not going to work here. It might for masked information events under some circumstances, since masked info events were not cleared automatically until unmasked. (though I'm not sure it's still the case since the rework of the masked state)

This would also explain why the information event keeps getting generated over and over again. DataMiner simply has no reference to one existing, it is only the client that shows them.

Perhaps it might be interesting to explore what the purpose is of this configuration so that we might figure out something equally useful?

Laurens Vercruysse [SLC] [DevOps Advocate] Answered question 3rd December 2021
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