90 The Green and Virtual Data Center
capacity management to derive maximum value and use from servers, stor-
age, networks, and facilities while meeting service-level objectives or
requirements.
Consider some common questions and comments with regard to per-
formance and capacity planning:
Hardware is cheap; why tie someone up doing capacity planning
and tuning?
While hardware is becoming less expensive, power, cooling,
floor space, and environmental (PCFE) resources are increasing
in cost and decreasing in availability.
People are already busy if not overworked; why give them more to
do?
With planning, resources (people, hardware, software, net-
works, and budget) can be utilized more effectively to address
and maximize available PCFE resources. ...