[rabbitmq-discuss] Version check when clustering?
francesco at rabbitmq.com
Wed Jul 25 10:06:09 BST 2012
At Tue, 24 Jul 2012 22:54:24 -0700 (PDT),
> I recently tried to extend my RabbitMQ-cluster by adding a new machine. But
> when I did so the cluster crashed. To make a long story short, it turned out
> that I tried to add a node running 2.8.4 (and more modern Erlang) to a 2.8.2
> cluster, and this did not work.
> I think it would be a good idea if the nodes checked that they are the same
> version when setting up the cluster and give an error message otherwise, or if
> it supposed to work then make it work. Having the cluster die when you try to
> add a new node seems a bit user-unfriendly :)
You're right, and we implemented this changes already - they'll be part of some
Francesco * Often in error, never in doubt
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