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opHA-MB for NMIS & opCharts (This license is required for messagebus to run)
opHA-MB for opEvents (This license is an add-on for opEvents). With this add-on opEvents will use MessageBus to sync opEvents data from each poller/mirror to the main-primary and in replication mode opEvents data is synced to the secondary-primary also. If the main-primary were to go down the secondary primary will retain the opEvents data.
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5. MongoDB Setup (Main-Primary Only)
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