Cooling Fans
Due to the amount of hardware (electronics) in a typical network server, keeping the network server cool is of great importance. The cooling of a network server is generally achieved by cooling fans installed inside the network server, which pull in cool air from outside of the network server and remove heated air from the network server. Failure of a cooling fan can lead to heat buildup in the server, which in most cases will cause the network server to shut down due to heat sensors in the network server. Many network server hardware vendors have redundant cooling fans that are hot swappable, meaning zero downtime due to a cooling fan failure.