Methods of preventing overheating of computer equipment in a cabinet when a supply coolant to a cooler in the cabinet fails. An example embodiment is a data center that includes a plurality of cabinets and at least two coolant supply lines. The cabinets are configured to house computer equipment and the coolant supply lines provide coolant for the cabinets. Moreover, the cabinets are arranged in at least one row of adjacent cabinets such that each row of adjacent cabinets receives coolant from alternating coolant supply lines.