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Thực hiện stop lần lượt tất cả các neutron-dhcp agent
Sau đó thực hiện stop_app, stop service rabbitmq-server, thực hiện trên trên tất cả các node rabbitmq trong cluster, sau đó cài đặt rabbitmq-server lastest
2 node đầu, cài sẽ bị lỗi, không start được rabbitmq, đến node cuối cùng thì sẽ ko lỗi gì, tự start được, lúc đó chỉ cần quay lại start rabbitmq-server service trên tất cả các node còn lại là được
ko cần start_app lại luôn =))
check lại cluster status node
root@controller-1:~# rabbitmqctl cluster_status
Cluster status of node rabbit@controller-1 ...
Basics
Cluster name: rabbit@controller-1
Disk Nodes
rabbit@controller-1
rabbit@controller-2
rabbit@controller-3
Running Nodes
rabbit@controller-1
rabbit@controller-2
rabbit@controller-3
Versions
rabbit@controller-1: RabbitMQ 3.8.16 on Erlang 24.0.2
rabbit@controller-2: RabbitMQ 3.8.16 on Erlang 24.0.2
rabbit@controller-3: RabbitMQ 3.8.16 on Erlang 24.0.2
Maintenance status
Node: rabbit@controller-1, status: not under maintenance
Node: rabbit@controller-2, status: not under maintenance
Node: rabbit@controller-3, status: not under maintenance
Alarms
(none)
Network Partitions
(none)
Listeners
Node: rabbit@controller-1, interface: [::], port: 15672, protocol: http, purpose: HTTP API
Node: rabbit@controller-1, interface: [::], port: 25672, protocol: clustering, purpose: inter-node and CLI tool communication
Node: rabbit@controller-1, interface: 172.1.1.1, port: 5672, protocol: amqp, purpose: AMQP 0-9-1 and AMQP 1.0
Node: rabbit@controller-2, interface: [::], port: 15672, protocol: http, purpose: HTTP API
Node: rabbit@controller-2, interface: [::], port: 25672, protocol: clustering, purpose: inter-node and CLI tool communication
Node: rabbit@controller-2, interface: 172.1.1.2, port: 5672, protocol: amqp, purpose: AMQP 0-9-1 and AMQP 1.0
Node: rabbit@controller-3, interface: [::], port: 15672, protocol: http, purpose: HTTP API
Node: rabbit@controller-3, interface: [::], port: 25672, protocol: clustering, purpose: inter-node and CLI tool communication
Node: rabbit@controller-3, interface: 172.1.1.3, port: 5672, protocol: amqp, purpose: AMQP 0-9-1 and AMQP 1.0
Feature flags
Flag: drop_unroutable_metric, state: disabled
Flag: empty_basic_get_metric, state: disabled
Flag: implicit_default_bindings, state: disabled
Flag: maintenance_mode_status, state: disabled
Flag: quorum_queue, state: disabled
Flag: user_limits, state: disabled
Flag: virtual_host_metadata, state: disabled