[rabbitmq-discuss] Upgrade 2.7.1 RabbitMQ cluster to 2.8.1 version

[Codevally]

Hi Brendan

Thanks for the reply.

Currently we don't have any load-balancer installed and all the operations 
are hardcoded. 

On Monday, April 2, 2012 2:35:11 PM UTC+10, Brendan Hay wrote:
>
> Hi Roshan,
>
> I would suggest you provision a _new_ physical cluster running 2.8.1
> side by side with your old cluster, and then incrementally move
> producers/consumers over.
>
> Are you using some sort of load-balancer in front of your cluster,
> such as HAProxy or LVS?
> What sort of service discovery do the clients use to find Rabbit?
> (Chef, ZooKeeper, hard-coded configs, etc.)
>
> Regards,
> Brendan
>
> On Apr 2, 3:14 am, Codevally <codeva... at gmail.com> wrote:
> > Hi All
> >
> > I need to upgrade our current production 2.7.1 RabbitMQ cluster to it's 
> new
> > 2.8.1 version.
> >
> > In our production cluster, we have 2 disc node and erlang R15B installed.
> > According to the RabbitMQ cluster guilde:
> >
> > "All nodes in a cluster must be running the same versions of Erlang and
> > RabbitMQ, although they may have different plugins installed. Therefore 
> it
> > is necessary to stop all nodes in the cluster, then start all nodes when
> > performing an upgrade."
> >
> > In our case we cannot shutdown our existing cluster, because it is 
> heavily
> > used to send messages across regions.
> >
> > Could someone please let me know how to upgrade 2.7.1 cluster without
> > shutdown the entire cluster.
> >
> > Many Thanks.
> > /Roshan
> >
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