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onboarding:advanced:creating_a_new_cluster_visibility_in_all_applications [2018/03/29 11:33] – [Cluster Sync Troubleshooting] ashevyakovonboarding:advanced:creating_a_new_cluster_visibility_in_all_applications [2021/06/25 10:09] (current) – external edit 127.0.0.1
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 +====== Creating a new cluster/visibility in all applications ======
 +
 +Author: Cathal O'Keeffe & Michelle McCausland
 +
 +===== Introduction =====
 +
 +We organise the network elements we monitor into clusters (sometimes called visibilities). 
 +
 +For certain functionality to work correctly, these clusters need to exist across all three applications. 
 +
 +Thankfully there's some functionality to sync clusters across applications. Here I will walk you through creating clusters in each application.
 +
 +----
 +
 +===== Ticketer =====
 +
 +In the Ticketer Workbench under Admin Options there is an option called Visibility Levels. 
 +
 +This button should open a page with a cluster tree on the left and a user list on the right. 
 +
 +To add a new cluster find the cluster you wish it to be a child of in the tree on the right and right click on it, then select the "Add Visibility Level" option.
 +
 +{{  :onboarding:advanced:screen_shot_2017-05-26_at_12.52.43.png?nolink  |}}
 +
 +Fill in the details as needed and save it.
 +
 +----
 +
 +===== SNMP Manager =====
 +
 +In the SNMP Manager open the Cluster Manager controller. 
 +
 +There should be a dropdown that lets you select visibilities (this reads from the Ticketer DB). 
 +
 +From this menu find the cluster you created in the ticketer and select it. 
 +
 +After selecting it click the button "Add Cluster to DB".
 +
 +{{ :onboarding:advanced:snmp_manager_cluster_manager.png?nolink |}}
 +
 +**Important Note: As of the time of writing (June 2017) it is necessary for you to manually populate the network value of the cluster table for Open/OPN clusters**
 +
 +**This is necessary until [[https://errigal.atlassian.net/browse/IDMS-1774|IDMS-1774]] has been implemented.**
 +
 +----
 +
 +===== Noc Portal =====
 +
 +Finally in the NOC Portal admin section go to SNMP Source Configuration and open the relevant SNMP Manager configuration. 
 +
 +At the bottom of the page there should be a button labelled "Refresh Clusters in Config". This should populate your new cluster into the NOC Portal as well.
 +
 +{{ :onboarding:nocportal:noc_portal_cluster_refresh.png?nolink |}}
 +
 +----
 +
 +===== Cluster Sync Functionality =====
 +
 +With the implementation of [[https://errigal.atlassian.net/browse/IDMS-1506|IDMS-1506]] in IDMS 3.1 there is now a cluster refresh task that automatically syncs clusters between the applications.
 +
 +  - The cluster refresh task runs every 10 minutes in the SNMP Manager. It ensures that clusters/visibilities added to or deleted from the Ticketer are synced to the SNMP Manager. 
 +  - The cluster refresh task runs every 10 minutes in the Noc Portal. It ensures that clusters added to or deleted from the SNMP Manager are synced to the Noc Portal. 
 +
 +For more detail on how this behaviour works, please consult the SNMP Manager and Noc Portal user guides.
 +
 +To see this sync in the logs grep for ''Results size of visibility refresh''
 +
 +If searching the logs for cluster deletions:
 +
 +''services.ClusterService  - DELETED CLUSTER Test3 - T-Mobile''
 +
 +----
 +
 +===== Cluster Sync Troubleshooting =====
 +**Effective of REL-3.3**
 +
 +The cluster sync can be triggered at any time by accessing the **Cluster** controller from the SnmpManager homepage. 
 +
 +If the **Carrier** tree does not load after the cluster sync in the **EMS**:
 +  - Check the **Ticketer Visibilities Sync Carrier Information Absence Fallback** option in the active **Configuration** entry
 +  - Sync again
 +  - Invalidate carrier host-tree cache (**HostTree** controller in the **SnmpManager**)
 +  - If the problem persist, use the following query: **select name from network_element where ne_type="CUSTOMER-NETWORK"**. This query retrieves all the carrier(network)-representing network elements. 
 +  - Based on the results of the **step 4** (previous step), update the *ticketer.visibility** entries to point to the relevant carrier (network) by setting the correct *carrier* value.
 +  - Invalidate carrier host-tree cache (**HostTree** controller in the **SnmpManager**)
  

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