- Notes, cautions, and warnings
- Introduction to Power Manager
- Revision history
- What is new in this release
- Compatibility matrix
- License requirements
- Scalability and performance
- Getting started with Power Manager
- Create a device discovery job
- Monitor and manage Power Manager devices
- Rack management
- Manage data center during power reduction
- Quick access to Power Manager data
- View power and thermal history of Power Manager groups
- View top five energy consumers
- View ratio of devices discovered in OpenManage Enterprise to devices added in Power Manager
- View top ten power offenders
- View top ten temperature offenders
- View top ten underutilized racks for power and space
- View power and space headroom
- Maintain Power Manager
- Alerts
- Reports in Power Manager
- Update Power Manager
- Frequently Asked Questions
- Troubleshooting
- Appendix
- Other information you may need
Dell EMC OpenManage Enterprise Power Manager Version 2.0 User’s Guide
Manage data center during power reduction
The Emergency Power Reduction (EPR) feature helps reduce power consumption of devices immediately during a power emergency. For example, if there is a power failure occurs and your devices are running on a UPS, you can apply EPR to reduce the power consumption of your managed devices.
EPR also helps in preventing device damage due to overheating in an event of cooling infrastructure failure. Use temperature-triggered policies for enabling EPR on a group of devices when its average inlet temperature crosses a defined threshold value.
NOTE Applying EPR on the devices throttles down the power to an extremely low level, impacting performance, or shuts down the devices completely. All devices on which an EPR is applied are affected. Use this feature only in an emergency situation.
Following are the EPR options available for servers, chassis, and groups:
- Throttle—set to minimal power consumption state.
NOTE Only the Throttle option is supported for a chassis.
- Shut down—shut down the server
After applying EPR on devices and groups, they are marked as EPR Enabled (Throttle) or EPR Enabled (Shut down) on the Power Manager Devices tab. The summary of devices and groups on which EPR is applied is displayed on the Emergency Power Reduction tab in Power Manager.
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