Dell PowerEdge R810 Manual page 33

Servers: Database consolidation on Dell PowerEdge R810 servers
The enterprise saved the cost of the freed up software

assurance agreements. These agreements were due for
renewal at the time of the solution acquisition.
The enterprise purchased a SQL Server 2008 R2 Enterprise

Edition per server license for the Dell PowerEdge R810
solution and software assurance agreement for that
software.
The enterprise already owned the necessary Client Access

Licenses (CALs).
We made the following assumptions in estimating facility costs,
which include rack-based space costs and Ethernet port costs:
We estimated a fixed data center cost per rack, prorated by

the percentage of the rack the solution used. We estimated
an annual per server data center ports cost of $159 based
on PT experience.
We made the following assumptions in estimating energy costs:
We measured energy costs for active and idle power

consumption values and used the average of the active and
idle power from the benchmark runs to calculate year-round
power.
Average cost per kWh of power. Source: National

commercial average for December 2009 from
http://www.eia.doe.gov/cneaf/electricity/epm/table5_6_a.h
tml. The December 2009 average was $0.973 per kWh.
We estimated the energy cost of cooling the servers and

storage arrays to be equal to the energy cost required for
running the systems.
We used the following assumptions in estimating the management
costs:
Support costs are separate from administration costs and

are included under 3-year support, maintenance, and
service contract costs for newer hardware.
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