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Power and cooling discussions have entered the budget
planning of every IT environment. As energy prices have
risen and utilities have restricted the amount of power
usage, it is important to review the role of the server in bal-
ancing IT spending.
Power Monitoring
The “mainframe gas gauge” feature introduced on the
System z9 servers, provides power and thermal informa-
tion via the System Activity Display (SAD) on the Hardware
Management Console and will be available on the z10
BC giving a point in time reference of the information. The
current total power consumption in watts and BTU/hour as
well as the air input temperature will be displayed.
Power Estimation Tool
To assist in energy planning, Resource Link provides tools
to estimate server energy requirements before a new
server purchase. A user will input the machine model,
memory, and I/O confi guration and the tool will output
an estimate of the system total heat load and utility input
power. A customized planning aid is also available on
Resource Link which provides physical characteristics
of the machine along with cooling recommendations,
environmental specifi cations, system power rating, power
plugs/receptacles, line cord wire specifi cations and the
machine confi guration.
IBM Systems Director Active Energy Manager
IBM Systems Director Active Energy Manager
™
(AEM) is a
building block which enables customers to manage actual
power consumption and resulting thermal loads IBM serv-
ers place in the data center. The z10 BC provides support
for IBM Systems Director Active Energy Manager (AEM)
for Linux on System z for a single view of actual energy
usage across multiple heterogeneous IBM platforms within
the infrastructure. AEM for Linux on System z will allow
tracking of trends for both the z10 BC as well as multiple
server platforms. With this trend analysis, a data center
administrator will have the data to help properly estimate
power inputs and more accurately plan data center con-
solidation or modifi cation projects.
On System z10, the HMC will now provide support for the
Active Energy Manager (AEM) which will display power
consumption/air input temperature as well as exhaust
temperature. AEM will also provide some limited status/
confi guration information which might assist in explaining
changes to the power consumption. AEM is exclusive to
System z10.
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Environmental Enhancements