[rabbitmq-discuss] upgrade from rabbitmq 2.7.1 to rabbitmq 2.8.1

Wed Apr 4 10:53:18 BST 2012

Hi Eslam,

On 03/04/12 15:04, Eslam Mamdouh wrote:
> i tried to upgrade first node from 2.7.1-1 ot 2.8.1-1 but it didn't join
> rabbitmq cluster due to difference in rabbitmq-server versions

You have to shut down all nodes first. See
http://www.rabbitmq.com/clustering.html#upgrading

In particular:

"...it is necessary to stop all nodes in the cluster, then start all
nodes when performing an upgrade."

-Emile