Things that can crash a cluster

Every time we start learning about some technology, it is common to be twice as careful with the installation, configuration, or adjustment to be as thorough as possible. Sometimes, to achieve these goals related to troubleshooting, performance, and best practices, the reader would turn to multiple expert readings on each of the related topics, or go through the pain of trial and error, which takes a lot of effort to succeed.

OpenShift is a great and disruptive technology, but you will navigate through a puzzle of different aspects related to storage, compute, network, and others. Obviously, in the official documentation—or even in quick internet searches—you will find commands to start from scratch, but in many situations, even with the necessary commands and parameters, it is difficult to navigate from troubleshooting to a solution.

Currently, OpenShift has an automatic recovery system, but this is usually not enough to ensure a...