Home > Storage > PowerMax and VMAX > Storage Admin > Dell PowerMax: Ansible Modules Best Practices > Introduction
The IT world is dynamic. As applications grow, storage requirements change. As applications become more important to the business, increased DR capabilities might be required. These capacity requirements might require adding storage devices or resizing existing ones. As usage increases, additional hosts can be added to clusters.
Making these changes is easy with the Ansible storage modules for PowerMax. Often, making the changes is just a case of modifying the input variables and re-running your original playbook with the new values. The integrated idempotency detects the changes and makes the adjustments on the array to match the new configuration requirements. This section describes a few of the typical Day 2 operations.