issue upgrading a cluster from 3.6.12 to 3.7.1

[Chen Wei Hsu]

Hi,

I have a cluster with 3 nodes of rabbitmq 3.6.12(erlang 18), and I want to upgrade them to rabbitmq 3.7.1(erlang 20).

I follow the guide here https://www.rabbitmq.com/upgrade.html#rabbitmq-cluster-configuration.

I stop one node upgrade it to 3.7.1(erlang 20), but in the log it told me the following message.

2017-12-31 01:00:07.131 [info] <0.33.0> Application lager started on node rabbit@rabbit1
2017-12-31 01:00:07.134 [info] <0.5.0> Log file opened with Lager
2017-12-31 01:00:07.866 [error] <0.5.0> Cluster upgrade needed but other nodes are running [add_opts_to_listener,cluster_name,exchange_event_serial,gm,internal_system_x,mirrored_supervisor,policy_apply_to,policy_version,remove_user_scope,semi_durable_route,topic_trie,topic_trie_node,user_admin_to_tags,user_password_hashing]

I cannot start the new node, but the two others are alive and still running 3.6.12. It looks like some configs are incompatible. 

So what should I do now to upgrade all nodes to 3.7.1?

[Michael Klishin]

3.6 to 3.7 upgrade cannot be a rolling one. You must shut down and upgrade all nodes, then start them. Or set up a new

cluster, export/import definitions there and switch your apps.

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MK

Staff Software Engineer, Pivotal/RabbitMQ

[Chen Wei Hsu]

I see. Thanks!

On Sunday, December 31, 2017 at 1:54:19 AM UTC+8, Michael Klishin wrote:

3.6 to 3.7 upgrade cannot be a rolling one. You must shut down and upgrade all nodes, then start them. Or set up a new

cluster, export/import definitions there and switch your apps.

On Sat, Dec 30, 2017 at 5:13 PM, Chen Wei Hsu <cwhs...@gmail.com> wrote:

Hi,

I have a cluster with 3 nodes of rabbitmq 3.6.12(erlang 18), and I want to upgrade them to rabbitmq 3.7.1(erlang 20).

I follow the guide here https://www.rabbitmq.com/upgrade.html#rabbitmq-cluster-configuration.

I stop one node upgrade it to 3.7.1(erlang 20), but in the log it told me the following message.

2017-12-31 01:00:07.131 [info] <0.33.0> Application lager started on node rabbit@rabbit1
2017-12-31 01:00:07.134 [info] <0.5.0> Log file opened with Lager
2017-12-31 01:00:07.866 [error] <0.5.0> Cluster upgrade needed but other nodes are running [add_opts_to_listener,cluster_name,exchange_event_serial,gm,internal_system_x,mirrored_supervisor,policy_apply_to,policy_version,remove_user_scope,semi_durable_route,topic_trie,topic_trie_node,user_admin_to_tags,user_password_hashing]

I cannot start the new node, but the two others are alive and still running 3.6.12. It looks like some configs are incompatible. 

So what should I do now to upgrade all nodes to 3.7.1?

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