https://access.redhat.com/site/documentation/en-US/OpenShift_Enterprise/2/html-single/Deployment_Guide/index.html#sect-Configuring_Redundancy
5.8.4. Configuring Redundancy
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Alternatively, consider the following options to configure redundancy:
[...]
Install broker on its own host, and combine broker, ActiveMQ, MongoDB, and name server on a single host
==> This doesn't really make sense. Not quite sure what it was meant to be. I suggest the following replacement:
Here are some redundant topologies to consider:
[...]
Install broker and MongoDB together on multiple hosts and ActiveMQ separately on multiple hosts.
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