Tech refresh is a Dell Professional Services directed engagement available beginning in ECS 3.5 to non-disruptively remove older hardware nodes from ECS clusters using the embedded software feature. It is an efficient and low resource consuming operation that can be precisely throttled. This feature reduces the overhead previously associated with decommissioning of ECS hardware.
Tech refresh includes three parts:
Professional Services should be involved during tech refresh maintenance. See the latest ECS Tech Refresh Guide for more information about Tech Refresh.