[Solved] You want to form a RabbitMQ cluster with three nodes: rabbit@node1, rabbit@node2,... Which sequence of commands on rabbit@node3 correctly forms the cluster assuming rabbit@node1 is the main node? | RabbitMQ

RabbitMQ - Clustering

You want to form a RabbitMQ cluster with three nodes: rabbit@node1, rabbit@node2, and rabbit@node3. Which sequence of commands on rabbit@node3 correctly forms the cluster assuming rabbit@node1 is the main node?

Arabbitmqctl stop_app; rabbitmqctl join_cluster rabbit@node2; rabbitmqctl start_app

Brabbitmqctl stop_app; rabbitmqctl join_cluster rabbit@node1; rabbitmqctl start_app

Crabbitmqctl start_app; rabbitmqctl join_cluster rabbit@node1; rabbitmqctl stop_app

Drabbitmqctl join_cluster rabbit@node1; rabbitmqctl stop_app; rabbitmqctl start_app

Step-by-Step Solution

Solution:

Step 1: Identify the main node for cluster join
rabbit@node1 is the main node, so other nodes join it directly.
Step 2: Use correct command order on rabbit@node3
Stop app, join cluster with rabbit@node1, then start app to form cluster properly.
Final Answer:
rabbitmqctl stop_app; rabbitmqctl join_cluster rabbit@node1; rabbitmqctl start_app -> Option B
Quick Check:
Join main node with stop, join, start sequence [OK]

Quick Trick: Join new nodes to main node with stop, join, start [OK]

Common Mistakes:

MISTAKES

Joining to wrong node in cluster
Starting app before joining
Incorrect command order causing failure

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Which sequence of commands on rabbit@node3 correctly forms the cluster assuming rabbit@node1 is the main node?

Step 1: Identify the main node for cluster join

Step 2: Use correct command order on rabbit@node3

Final Answer:

Quick Check:

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