[rabbitmq-discuss] Recovering an 3-node cluster after power failure
simon at rabbitmq.com
Mon May 20 14:55:34 BST 2013
On 20/05/13 14:48, Samuel Winchenbach wrote:
> Thanks Simon,
> So deleting the mnesia directory effectively removes all of the cluster
> configuration correct (policies for example)?
Yes, it's exactly equivalent to "rabbitmqctl reset".
> I could use the second method you mentioned and remove the two nodes
> causing me issue, start and reset them, finally cluster them to the
> only running node?
Also an option.
> Thanks for the tips!
> On Mon, May 20, 2013 at 8:35 AM, Simon MacMullen <simon at rabbitmq.com
> <mailto:simon at rabbitmq.com>> wrote:
> If you just want to do the equivalent of "rabbitmqctl reset" with a
> node down, then deleting the Mnesia directory (see
> RABBITMQ_MNESIA_BASE in http://www.rabbitmq.com/__relocate.html
> <http://www.rabbitmq.com/relocate.html> for location) is the
> simplest thing to do.
> If you want to remove a node from a cluster and the lack of that
> node is preventing you from starting the cluster, you can set
> RABBITMQ_NODE_ONLY for another node, and then invoke "rabbitmqctl
> forget_cluster_node" against that.
> Cheers, Simon
> On 17/05/13 20:32, Sam Winchenbach wrote:
> Hi All,
> I have a three node cluster running on VMs for testing purposes:
> node1 (disk)
> Today we had a power outage and all the nodes went down at once.
> I am
> having a serious issue recovering from this because node1 thinks it
> belongs to a cluster but node3 disagrees. I can not seem to do
> anything at all with rabbitmq on node1. If I try running running
> "rabbitmqctl reset" it can not connect because node1 is down.
> How can I
> recover from this gracefully?
> rabbitmq-discuss mailing list
> rabbitmq-discuss at lists.__rabbitmq.com
> <mailto:rabbitmq-discuss at lists.rabbitmq.com>
> Simon MacMullen
> RabbitMQ, Pivotal
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