[rabbitmq-discuss] High-availability: Unsynchronised mirrors questions (3.0.2)
simon at rabbitmq.com
Wed Mar 13 11:07:20 GMT 2013
And note that we will be making improvements in this area in 3.1.
On 13/03/13 10:53, Alexis Van Der Merwe wrote:
> Hi there,
> I'm testing out the HA features using server version 3.0.2 and it seems
> to fulfill my requirements.
> There's one thing I don't really understand, and I was hoping someone
> would be able to enlighten me.
> I have a two (2) node HA cluster, for convenience, let's call them
> /NODE-MASTER/ and /NODE-SLAVE/.
> 1. I publish 100k messages to NODE-MASTER, and they are replicated to
> 2. I take down /NODE-MASTER/ using *rabbitmqctl*.
> 3. NODE-SLAVE is promoted to master and retains the messages it
> previously received.
> 4. Bring /NODE-MASTER/ back up and into the cluster
> This all works as I expect it to, but after the former master node
> rejoins the cluster,
> I see a message in the web-management console saying that one of the
> nodes is unsynchronised (see screenshot).
> Why does this occur, and more importantly, what does it mean in this
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