Configure the CMDB Micro-Certification Task-13

[AnupriyaC]

Hi Everyone,

If someone can help with this confusion, I would be highly grateful.

My Question: Duplicate Mongoose Web Server CI Entries Despite Identification Rule?

I have an Identification Rule for the Mongoose Web Server based on:

Class

Running Process Command

However, when I run the below script to create/update CIs, it creates a new Mongoose Web Server entry instead of updating the existing one:

This is the new one is the 1st image and 2nd picture shows the existing.

[CasperJT · Accepted solution]

Hi @AnupriyaC,

My instance was still up, so I was able to check and I am also seeing three mongoose web servers.

Two created at almost the same time and one created about 30 minutes later. The third one shares the name with the other two, but runs on SPLI-WIN-SERVER.

Do keep in mind, that the identification rule you created for the Mongoose Webserver is a "Dependent rule".

"Dependent identification rule A rule in which identifying a CI requires identifying a dependent CI first. A CI can have dependency on one or more CIs, and a dependent CI can have only a single parent CI with dependency. The relationship types between the CI and its dependent CIs are also included in the identification process. To help with the identification process of dependent CIs, create dependent relationships that define the dependency chain within CI types.

The payload used for identification of a dependent CI, can include a relationship with a qualifier chain. For such relationship, if there is a matching parent/child pair, the system compares the qualifier chain in the payload, with the qualifier chain of the CIs in the database. If there is a difference, the qualifier chain in the database is updated to match the qualifier chain in the payload for that relationship."

So because your payload includes a different windows server it creates a new Mongoose Webserver, which I would say is expected based on the dependent identification rule.

To test this, I deleted the third mongoose server and changed the rule to indenpent. I then ran the script again, which resulted in the matching mongoose webserver to be updated with an additional relationship:

So in summary, you should have two windows servers that were updated by you owa-sd-01 and SPLI-WIN-SERVER and you should have three mongoose webservers all with the same name. Two running on owa-sd-01 and one running on SPLI-WIN-SERVER.

I hope this clears things up.

Best regards,

Casper

[Shivalika]

Hi @AnupriyaC  what field is identification rule made on ? Are you passing diffrent field values with what you have created identification on ? 

Kindly mark my answer as helpful and accept solution if it helped you in anyway. This will help me be recognized for the efforts and also move this questions from unsolved to solved bucket. 

Regards,

Shivalika 

My LinkedIn - https://www.linkedin.com/in/shivalika-gupta-540346194

My youtube - https://youtube.com/playlist?list=PLsHuNzTdkE5Cn4PyS7HdV0Vg8JsfdgQlA&si=0WynLcOwNeEISQCY

[AnupriyaC]

Hello @Shivalika ,

Thank you for your response.

I have created a single identification rule that applies to all attributes on the Mongoose web server based on:

1) Class

2) Running Process Command (both included in a single rule)

This rule is identical in both scripts. However, I am noticing that a third web server is being created instead of merging with the previously created web server, even though the identification rule matches. This occurs every time I establish a new relation with the specified table. It appears that there should be a one-to-one relationship, but I am unable to verify it.

Could you please help me understand why this is happening?

Looking forward to your response.

Best regards,
Anupriya C

[Shivalika]

Hello @AnupriyaC 

Have you checked reconciliation rules ? And are you providing both the attributes same ? May be there is some space difference or any backend values match ?

Kindly mark my answer as helpful and accept solution if it helped you in anyway. This will help me be recognized for the efforts and also move this questions from unsolved to solved bucket. 

Regards,

Shivalika 

My LinkedIn - https://www.linkedin.com/in/shivalika-gupta-540346194

My youtube - https://youtube.com/playlist?list=PLsHuNzTdkE5Cn4PyS7HdV0Vg8JsfdgQlA&si=0WynLcOwNeEISQCY

[AnupriyaC]

Hello @Shivalika,

I had removed the previously added reconciliation rules so currently the reconciliation rule is empty.
Thank you,
Anupriya C