The architecture of a Command Center (Metaconsole) consists of:
Instances are normal installations of Pandora FMS. They consist of an Web console as a presentation layer (front end) and a server as a data access layer (back end) that processes incoming data, performs remote checks, et cetera.
From version 756 of Pandora FMS, the synchronization system has been redesigned from scratch, since the changes will be replicated to the nodes automatically without the need of the manual synchronization that was done before.
When upgrading, all already centralized Command Center environments will be forced to go through the new Merging tool section located under Centralised management in order to be properly centralized again.
Some data are in the Instances, others in the Command Center and others in both parts, needing to be synchronized for their correct operation.
In the Instances:
In the Command Center:
In both:
The Command Center obtains and modifies Instance information in two different ways: