HDP Prerequisites Before upgrading from HDP 3.1.5.x to the Cloudera Runtime 7.1.x, you must review and complete the prerequisites. Upgrade processRead through the complete information about the upgrade options, prerequisites, and the overall process before starting the upgrade. Cloudera recommends that you validate these steps in a test environment to adjust and account for any special configurations for your cluster.Before upgrading any clusterTo perform an HDP intermediate bits upgrade using Ambari, your cluster must meet certain prerequisites. Meeting these prerequisites is essential for Ambari to know that the cluster is in a healthy operating mode and can successfully manage the upgrade process.Parent topic: Upgrading HDP to Cloudera Runtime 7.1.x