On 10/05/2012 10:40 AM, Terance Dias wrote:
Thanks a lot for your reply Gordon.
We are using the replication described at http://qpid.apache.org/books/**
trunk/AMQP-Messaging-Broker-**CPP-Book/html/queue-state-**replication.html<http://qpid.apache.org/books/trunk/AMQP-Messaging-Broker-CPP-Book/html/queue-state-replication.html>
.
We are running on Ubuntu.
Ok, that certainly seems to have rgmanager:
http://manpages.ubuntu.com/manpages/precise/man8/rgmanager.8.html
We decided to go with this kind of replication because it allowed HA
solution across networks. Does the new mechanism work across networks or
are the nodes required to be in the same network?
No. The replication in the new HA scheme is done over AMQP (over
inter-broker aka 'federation' links).
Also, I'm new to Linux. So I just wanted to know how rgmanager works. Does
it run on a separate node and monitors the cluster nodes? In that case can
it be a single point of failure?
No, I believe it runs on all the nodes participating in the cluster.
These daemons all communicate such that they can determine when one node
is 'down', shut it out the system and attempt to recover it.
Also, Please let me know if you know if anybody has deployed the new
cluster mechanism in production.
No, I don;t think so yet. Though it is undergoing testing right now by
an actual project.
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