In the [previous article](https://www.2ndquadrant.com/en/2011/12/a-greenplum-41-handbook.html) we have seen how to install Greenplum on multiple nodes. After installation steps, we must init the entire system. Let’s see how.
One of the main advantages using Greenplum is that it gains power when it uses multiple nodes. Horizontal scalability is a main feature of Greenplum. Here is a compact handbook to install a multi-node Data Warehouse environment with Greenplum.