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System.Power.Cap.Percent
For more information, see the
support/manuals.
Configuring Power Cap Policy Using iDRAC Settings Utility
To view and configure power policies:
1.
In iDRAC Settings utility, go to Power Configuration.
NOTE: The Power Configuration link is available only if the server power supply unit supports power
monitoring.
The iDRAC Settings Power Configuration page is displayed.
2.
Select Enabled to enable the iDRAC Power Limit Policy. Else, select Disabled.
3.
Use the recommended settings, or under User Defined Limits, enter the required limits.
For more information about the options, see the
4.
Click Back, click Finish, and then click Yes.
The power cap values are configured.
Configuring Power Supply Options
You can configure the power supply options such as redundancy policy, hot spare, and power factor correction.
Hot spare is a power supply feature that configures redundant Power Supply Units (PSUs) to turn off depending on the
server load. This allows the remaining PSUs to operate at a higher load and efficiency. This requires PSUs that support
this feature, so that it quickly powers ON when needed.
In a two PSU system, either PSU1 or PSU2 can be configured as the primary PSU. In a four PSU system, you must set the
pair of PSUs (1+1 or 2+2) as the primary PSU.
After Hot Spare is enabled, PSUs can become active or go to sleep based on load. If Hot Spare is enabled, asymmetric
electrical current sharing between the two PSUs is enabled. One PSU is
the other PSU is in sleep mode and provides a small amount of the current. This is often called 1 + 0 with two PSUs and
hot spare enabled. If all PSU-1s are on Circuit-A and all PSU-2s are on Circuit-B, then with hot spare enabled (default hot
spare factory configuration), Circuit-B has much less load and triggers the warnings. If hot spare is disabled, the
electrical current sharing is 50-50 between the two PSUs, the Circuit-A and Circuit-B normally has the same load.
Power factor is the ratio of real power consumed to the apparent power. When power factor correction is enabled, the
server consumes a small amount of power when the host is OFF. By default, power factor correction is enabled when
the server is shipped from the factory.
Configuring Power Supply Options Using Web Interface
To configure the power supply options:
1.
In iDRAC7 Web interface, go to Overview → Server → Power/Thermal → Power Configuration → Power
Configuration. The Power Configuration page is displayed.
2.
Under Power Supply Options, select the required options. For more information, see
3.
Click Apply. The power supply options are configured.
Configuring Power Supply Options Using RACADM
To configure the power supply options, use the following objects with the set subcommand:
170
RACADM Command Line Reference Guide for iDRAC7 and CMC available at dell.com/
iDRAC Settings Utility Online Help .
awake and provides the majority of the current;
iDRAC7 Online Help .
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Troubleshooting
