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always available, and management functions, which require a license fee to be
paid to allow them to work beyond a 90-day trial period:
Monitoring functions (no charge)
– Power Trending
– Thermal Trending
– iPDU support
– Display details of current power and temperature
– Monitor and generate events
Management functions (fee-based license)
– Power Capping
– Power Savings Mode
Monitoring functions
These functions provide the general information about the power consumption of
the data center and possible anomalies. You control what information to collect
about power and temperatures, how often to collect it, and how long to store the
data. You can view graphs or tables of data trends, and also export the tabular
data as a spreadsheet, XML, or HTML formats.
Power trending
The Energy Scale architecture provides continuous power usage data collection.
The power usage data can be displayed from Active Energy Manager. Data
administrators can use the information to project the power consumption of the
data center at various times of the day, week, or month and use that information
to identify anomalies, manage loads when electrical demands or costs are high
and, if the system supports power capping, determine appropriate times and
levels for power caps (see "Power capping" on page 346).
In Figure 6-28 on page 342, the top chart shows an example of the power
trending information, set at custom intervals. Figure 6-27 on page 340 shows an
example of power trending in the last hour. Various controls on the panel help
define the interval and the data to display.
Chapter 6. Management
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