Dell OpenManage Power Center Version 1.0 Instrukcja Użytkownika Strona 95

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Power Policies 95
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Power Policies
A power policy is a set of configurations used to manage the power cap for
devices or groups. A policy is useful for defining power management in
different situations, for example:
You can set up a policy to make sure that the power consumption does not
exceed the capacity of the circuit.
You can set up a policy with a scheduled time according to the workload of
the device/group; for example, you can set an aggressive cap when the
workload is low, enabling a reduction of power use for your data center.
You can set up a policy to increase the rack density. For example, you
currently have ten devices in rack A_01 that is monitored by Power Center.
By monitoring the power consumption from the
Power Details
page, you
can estimate how many devices you can add to rack A_01. You can set up a
policy to cap the total power consumption of rack A_01 after you added
the devices.
Power Center supports two policy types:
Static power policy
The power cap for each device is defined by you,
and will not be changed unless you redefine it. A static power policy
enables you to set a power cap for each device in the group. You can create
a static power policy for a rack, chassis or device.
•Dynamic power policy
The power cap for each device is dynamically
allocated by Power Center when necessary, based on the power
consumption information and other power information on each device.
Power Center evaluates power consumption for each device in every
monitoring cycle to decide the necessity of changing the power cap for
each device. A dynamic power policy enables you to allocate the power
dynamically for each device in the group while maintaining the power cap
for the group. A dynamic power policy has less performance impact to a
device/group compared with a static power policy. You can create a
dynamic power policy for a logical group, data center, room, aisle, rack, or
chassis.
OpenManagePowerCenter_User_Guide.book Page 95 Friday, March 2, 2012 10:33 AM
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