Dell EMC OpenManage Enterprise Power Manager Version 2.0 User’s Guide

Set preferences

The settings on the page enable you to collect data for the devices and groups added to Power Manager. Set the Sampling Intervals according to your data center recommendations and monitor your devices.

1. Launch OpenManage Enterprise, and then click Plugins > Power Management > Settings.
   The Settings tab is displayed.
2. Click Edit.
   The Edit Power Manager Preferences window is displayed.
3. Select the values for the listed options, and then click Apply.
   The following table provides more information about the attributes that are displayed in Power Manager.

   Table 1. Power Manager SettingsBrief description of the intervals that you can set in Power Manager.

   Field	Description
   Data gathering interval	Select the frequency to collect data from devices or groups. Use your data center requirements such as network traffic, and criticality of data to set the data gathering interval. NOTE If you have set the data gathering interval as 15 minutes, and only when the number of devices that are added to Power Manager exceeds 1000, the interval automatically changes to 30 minutes. You cannot return this 30 minutes setting to 15 minutes.
   Duration of top energy consumers	Select the duration to view the list of devices or groups that consume maximum energy on the OpenManage Enterprise dashboard for the selected duration. Only the top five energy consumers are displayed.
   Report Duration	View data for the selected duration.
   Aggregation Period	Select the frequency of the level of detailed information that has to be displayed in reports. NOTE If you select a Report Duration other than 1 Day, the Aggregation Period is automatically set to 1 Day.
   Delete Power Manager data	Based on your data requirements, select one of the options: Yes—To delete configured alert thresholds and metric data that is collected from devices and groups when they are removed from Power Manager. No—To retain the configured alert thresholds and metric data that is collected from devices and groups when they are removed from Power Manager. NOTE When you add a device or group and set Delete Power Manager data to No, all Power Manager-related data for that device or group is removed from view but not deleted, when you remove the device or group from Power Manager. When you re-add the device or group, data for that device or group is available again.

   NOTE To delete the data after a specific duration, configure the Data purge interval option present in the following location: OpenManage Enterprise > Application Settings > Console Preferences > Metrics Collection Settings.

   The following table provides further information about the mandatory fields and the value range for each field.

   Table 2. Details about mandatory data intervals and durationMandatory fields and value ranges for Power Manager preferences

   Field	Mandatory	Value Range
   Power Unit	Yes Watt is the default unit.	Watt BTU/Hr
   Temperature Unit	Yes Celsius is the default unit.	Celsius Fahrenheit
   Data gathering interval	Yes The default value is 15 minutes.	15 30 60
   Duration of top energy consumers	Yes The default value is 3 Months.	1 Day 7 Days 15 Days 1 Month 3 Months 6 Months 1 Year
   Report Duration	Yes The default value is 3 Months.	1 Day 7 Days 15 Days 1 Month 3 Months 6 Months 1 Year
   Aggregation Period	Yes The default value is 1 Day.	1 Day
   Delete Power Manager data	Yes The default value is No.	Yes No