Adding a Node to a Replicating Cluster

There are several tools and scripts you can use to add a node to a cluster; the way that you choose should depend on the use and state of your cluster:

• Use Z0DAN to Add or Remove a Node with Zero Downtime

Z0DAN is a spock utility that provides scripts that you can use to seamlessly add or remove a node from your cluster with zero downtime.

• Use pgBackRest to Add a Node to a Replicating Cluster with Minimal Downtime

pgBackRest is an open-source tool that you can use add a node to a replicating cluster with minimal interruption.

• Use Spockctrl to manage aspects of your Spock replication setup.

The Spockctrl utility is appropriate for use in production clusters that can't be taken out of production.