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opHA introduces the concept of a Primary & pollers multiple Poller servers:

• The Primary is the node server that have keeps the information of all the pollers and it is where we can read all the information from.
• The pollers, collect their own data, and send that information to the Primary when it is requested. 

The process of synchronising the information of the nodes is made by the Primary. The Primary requests the information for each poller with pull requests. 

The first time the pull script runs, it is going to request requests all the data for each configured poller. Next time, it is going to request requests only the modified data since the last synchronisation. 

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• Rediscover providing username and password, available in opha-cli. Example: 

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• Desynchronisation of events: Now the delete events cron job can be removed and run after the pull events when delete_events=true is passed as a parameter to the pull job.
• Improve error handling in Nodes API.
• Centralised Distribution of Node Configuration by opHA
• New API to send configuration items
• opHA will distribute the API Key when it is a primary and encryption is set. 
• ! Important note: After upgrading to opHA 3.4.3 the role will be set to Standalone, you will need to Set Role to restore the role. 

3.4.2

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