If you are going to host SQL Server on the Google Cloud Platform (GCP) you will want to make sure it is highly available with a SQL Failover Cluster. One of the best and most economical ways to do that is to build a SQL Server Failover Cluster Instance (FCI). In this guide, we will walk through the steps to build a two-node failover cluster between two instances in the same region, but in different Zones, within the GCP.