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NNMi custom poller required to support delta & absolute delta calculation on poll result

Idea ID 1687502

NNMi custom poller required to support delta & absolute delta calculation on poll result

Hello,

We need an enhancement in Custom poller side. We've to get the difference between last two polls and do comparison to that value to create an alert. 

We create a case for this (Case#SD02404519) and our case engineer suggest us to create an ER for this.

This ER will be very cruical for us for incident management.

Best Regards.

Kerem

9 Comments
Micro Focus Expert
Micro Focus Expert
Status changed to: Waiting for Votes
 
Commodore Commodore
Commodore

NNMi automatically calculates difference between polls when polled value is counter. Not sure if and how MIB coerce will work on a bit more complex MIB expressions but you can define individual OIDs as counters and get the difference.

Micro Focus Expert
Micro Focus Expert
Status changed to: Under Consideration
 
Cadet 3rd Class
Cadet 3rd Class

Hi,

I would like to get your feedback on one aspect of this enhancement request , that is,  about raising alert based on the delta values . Here 'delta value' is  difference is the Mib Object value polled in two consecutive polls.  

Let us assume threshold limit is configured  for the 'delta value' such that if the  delta value either goes below or above the configured limit, the alert  should be raised.

Should the alert/incident  be automatically closed, when the delta value  is within the configured threshold limit ?  

It is likely that, for most cases, the 'delta value' in the very next poll may lie within configured threshold limit . This is because the threshold limits are applied on the 'delta value' with no reference to the absolute Mib value polled.

Or ,

Is it better  not to auto close the incident  and leave the incident open until the operator closes it manually?

What is the preferred behavior?

Thanks in Advance,

Senthil

Commodore Commodore
Commodore

How about generating two separate incidents and administrator decides whether to configure pairwise correlation or simply disable the closing incident and leave this job to operator?

BR,

Vesselin.

Micro Focus Expert
Micro Focus Expert
Status changed to: Accepted
 
Micro Focus Expert
Micro Focus Expert
Status changed to: Delivered

This idea is implemented and delivered as part of the NNMi 2020.08 release.

Commodore Commodore
Commodore

Awesome -- is it going to be ported to 2019.05 via patch?  

Micro Focus Expert
Micro Focus Expert

No, this would not be available on versions before 2020.08.

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