If the initial node was running Messaging Service, what must be done upon failure?

When dealing with a failure of the Messaging Service on the initial node, the most effective action is to remove the service from the failed node and add it to a new node. This approach ensures continuity of service and resilience in the system architecture.

By migrating the Messaging Service to a new node, you can maintain operational capabilities without having to fix the original node immediately, which may involve further troubleshooting or hardware repairs. This process facilitates the system's overall reliability and helps prevent potential downtimes or impacts to business operations that could arise from leaving the service on a node that has proven unreliable.

In contrast, reinstalling the service on the same node may not address the underlying issues that caused the failure in the first place, particularly if there are hardware or environmental problems. Ignoring the Messaging Service or deactivating all services on the node does not provide a proactive solution to the failure, potentially leading to greater disruptions in overall service provision.