This article covers some common questions related to DM clustering, as follows:

Is it possible to use a third-party load balancer?

For a fully supported solution, we recommend using our provided installer and load balancer configuration. However, it is possible to use a third-party load balancer by simply avoiding the installation steps during your install process, then adjusting your deployment like so:

What ports do the various nodes in a cluster use?

Available here.

How do I manually specify the network interface to use for particular port bindings?

Available here.

Is it possible to upgrade a customer from a standalone to a cluster deployment?

Yes, so long as you have an existing database that can be remotely accessed from each node and a remotely accessible file storage location. It’s just a case of installing against that DB/archive folder and modifying the installation guide where appropriate.