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 configured to house computer equipment. At least two coolant supply lines from which the cabinets receive coolant are made available, with each of the supply lines providing the coolant to multiple cabinets. Moreover, the cabinets are arranged in rows and columns such that the cabinets along a row are spaced closer together than the cabinets along a column. Furthermore, each row of the cabinets receives coolant from alternating coolant supply lines.