HP ProLiant DL280 HP Power Capping and HP Dynamic Power Capping for ProLiant s - Page 25

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For more information

Source

Hyperlink

HP Power Management

http://www.hp.com/go/powercapping

HP Insight Control

http://www.hp.com/go/insightcontrol

HP Integrated Lights-Out

http://www.hp.com/go/ilo

HP SIM page on hp.com

http://www.hp.com/go/hpsim

Dynamic Power Capping TCO

and Best Practices white paper

http://h71028.www7.hp.com/ERC/downloads/4AA2-3107ENW.pdf

Dynamic Power Capping

support matrix

http://h18004.www1.hp.com/products/servers/management/dynamic-power-

capping/support.html

HP Power Calculators page

http://h30099.www3.hp.com/configurator/powercalcs.asp

HP ProLiant Energy Efficient

Solutions

www.hp.com/go/proliant-energy-efficient

Power Regulator for ProLiant

servers technology brief

http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00300430/c00300

430.pdf

Power Regulator

http://h18013.www1.hp.com/products/servers/management/ilo/power-regulator.html

Call to action

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© Copyright 2008, 2009, 2010 Hewlett-Packard Development Company, L.P. The information

contained herein is subject to change without notice. The only warranties for HP products and

services are set forth in the express warranty statements accompanying such products and services.

Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for

technical or editorial errors or omissions contained herein.

AMD is a trademark of Advanced Micro Devices, Inc.

Intel is a trademark of Intel Corporation or its subsidiaries in the United States and other countries

and is used under license.

TC110107TB, January 2011

Section	Page
Introduction	3
Basics of server power control	3
Processor P-states	4
How power capping functions	5
Maintaining power consumption below the cap	5
Server power consumption depends on many factors and can vary significantly over a given period. Some factors, such as the number of options installed in the server, have a predictable and static effect on server power consumption. Other factors have ...	5
Minimum and maximum power consumption for a server	5
Differences between HP Dynamic Power Capping and HP Power Capping	6
Power provisioning and Dynamic Power Capping	6
Support for Power Capping in ProLiant servers	7
Enclosure Dynamic Power Capping	8
Elements of an enclosure power cap	8
Operation of Enclosure Dynamic Power Capping	9
Active power reallocation	10
Enclosure Dynamic Power Capping in mixed blade environments	10
Opting out servers	10
Setting power caps for servers	10
Setting a power cap for a single server	11
Setting a power cap for a group of servers	13
Setting a BladeSystem enclosure power cap	13
Setting a power cap for a group of enclosures	14
Using power capping in data center provisioning	15
Choosing effective power caps	15
/	16
Power capping to peak power consumption	17
Power capping to average power consumption	19
Using Enclosure Dynamic Power Capping in power provisioning	19
Power capping for emergency management	20
Time-of-day power capping	21
Subtleties of power capping	22
Avoiding power capping conflicts within groups	22
Powering up groups of servers when using Dynamic Power Capping	22
Setting low or unattainable power caps on servers	22
Peak power reporting and Dynamic Power Capping	23
Using HP Power Regulator in conjunction with power capping	23
Power capping and CPU utilization	23
Power capping and option cards	23
Providing a guardband for a power capping group	23
Summary	24
For more information	25

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