A Datacentre that hosts application servers, Network switches and storage devices is onsidered to be 'green' ifit consumes less power for running and cooling the computer sysŽtems hosted by it. Datacentre operators are very conscious about power consumption because there is a limit on the amount of power that can be provided by the power sulrstation supporting the datacentre. Once that limit is reached the datacentre operator has to open a new datacenŽtre, and the new unit will initially not be fully utilised.
Thus, in today's cost-<nscious era, most datacentre operators are vigilant about ensuring that the computing resources are not underŽutilised (because underutilised resources still conŽsume a lot of power even when they are not doing useful work); procuring devices that consume less power and ensuring that they are using efficient datacentre cooling mechanisms. Thus, in this article we will discuss how datacentre administraŽtors deal with the followin issues:
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