Our InfraStruXure test unit was an N+1 configuration consisting of a 208/120-volt PDU, three 10kW power modules with corresponding batteries, a nifty air-distribution unit at the bottom of the rack, and an environmental-monitoring unit, all locked up in two NetShelter VX 42U rack enclosures with a third NetShelter thrown in for our convenience.
Unfortunately, this system was simply too much of a behemoth for us to manage any sort of power-saturation testing. Instead, we concentrated on long-term usage and management-based testing. In four months with the system, we went through seven reconfigurations and variations on three power-loss scenarios. These scenarios revolve around the datacenter losing all power, losing power from one of our two primary feeds, and losing power while one or more of the UPS batteries are in hot-swap mode.
In all cases, the InfraStruXure system performed flawlessly. This may be the best datacenter UPS with which we’ve ever worked.