the fastest way to clone hortonworks cluster

[#1]

Hello everyone. What we have is a Hortonworks cluster (HDP v3.1.4, HDF v3.4.1.1) with its components running on 6 virtual servers on top of vSphera ESXI standard. What we need is to clone the cluster. We have vSphera ESXI standard hence there is no any chance to facilitate the procedure of cloning the cluster with vSphera Big Data Extension. What would be the simplest and the fastest approach to get the task done? Please advise.