A datacenter recently installed an upgraded HVAC system to resolve constant high-temperature alerts; however, the temperature in the datacenter did not go down. The datacenter manager is concerned that impeded airflow may be causing the issue. Which of the following will MOST likely resolve the high-temperature issues?
A. Remove all unused cabling from under the raised floor and install cable trays.
B. Move the system racks closer to the new HVAC unit.
C. Install new racks and redistribute the existing equipment among them.
D. Move all the racks closer to the cold aisle.