In very large infrastructures, high availability and redundancy are important requirements. Fortunately, Salt has support for redundant Salt masters that provide a level of redundancy and also a means to scale the infrastructure to support large deployments.
We will use our existing Salt master, but rename it to
salt-master. Also, configure a second Salt master called
salt-master-2 by following the Installing and configuring the Salt master and Configuring the Salt environment and pillar paths recipes from Chapter 1, Salt Architecture and Components.
The second node will be configured in the exact same way as the first one. After installing the
salt-master package, copy ...