Compaq BL10e HP Power Capping and Dynamic Power Capping for ProLiant servers t
Compaq BL10e - HP ProLiant - 512 MB RAM Manual
UPC - 613326445501
View all Compaq BL10e manuals
Add to My Manuals
Save this manual to your list of manuals |
Compaq BL10e manual content summary:
- Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 1
power consumption for a server 6 Differences between HP Dynamic Power Capping and HP Power Capping 7 Power provisioning and Dynamic Power Capping 7 Support for Power Capping in ProLiant servers 8 Group power capping for servers through Insight Power Manager 8 Enclosure Dynamic Power Capping - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 2
Using HP Power Regulator in conjunction with power capping 25 Power capping and CPU utilization 25 Summary ...26 For more information...26 Call to action ...26 - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 3
tasks. Both HP Power Capping and HP Dynamic Power Capping are implemented in system hardware and firmware and are therefore not dependent on the operating system or applications. Using the power monitoring and control mechanisms built into ProLiant servers, power capping is specifically designed to - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 4
Server Power Usage Base Load 13% Hard Drives 4% PCI Slots 15% Processor 33% Memory 28% Fans 7% Processor P-states Processor performance states, or P-states, provide a quick and effective mechanism for adjusting processor power consumption and performance. Both Intel® and AMD® processors support - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 5
. Reducing consumption below that point requires the use of clock throttling. Figure 2. Power versus performance characteristics for a typical Intel-based ProLiant server with three P-states WWaatttss DL360 G4 Power vs. Work Done Clock Throttling slope P-state slope 400 350 300 250 P0 200 - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 6
metric: maximum available power for the server. For ProLiant ML and ProLiant DL servers this value is the maximum amount of power that the server power supply is capable of producing. For HP BladeSystem servers, which are powered by the enclosure's power supply array, the maximum available - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 7
however, monitors power consumption and maintains a server's power cap much more rapidly than HP Power Capping. Table 3 provides a quick architectural and operational comparison of HP Dynamic Power Capping and HP Power Capping. To avoid confusion between the two, HP Power Capping will be referred to - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 8
version 2.32 or later (for HP BladeSystem enclosures) At introduction, support for Dynamic Power Capping is available on a limited set of ProLiant servers and a larger set of ProLiant c-Class server blades. Many ProLiant G5 servers are capable of supporting Dynamic Power Capping once the appropriate - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 9
as those supporting basic Power Capping. For server blades, there is the new and more advanced Enclosure Dynamic Power Capping. Enclosure Dynamic Power Capping Enclosure Dynamic Power Capping is a special implementation of Dynamic Power Capping designed specifically for HP BladeSystem enclosures. In - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 10
by monitoring and managing the power consumption of the server blades. To accomplish this, the OA collects the overall enclosure power use as well as the total power used by the managed server blades. From this data, the OA constructs a blade power budget, representing the amount of power that the - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 11
OA will attempt to share the available power fairly among all busy server blades. Enclosure Dynamic Power Capping in mixed blade environments Enclosure Dynamic Power Capping is designed to operate with all server blades that support basic Power Capping or the faster Dynamic Power Capping. It also - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 12
using iLO 2 or Insight Power Manager (IPM). Using IPM, administrators can also set power caps for groups of ProLiant ML and DL servers and for groups of enclosures. For individual enclosures, administrators can set power caps using the Onboard Administrator (OA) or IPM. Power caps are set in exactly - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 13
In Insight Power Manager, Power Capping is located beneath the HP Power Management Actions section of the interface, as shown in Figure 6. Figure 6. Setting a power cap using Insight Power Manager 13 - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 14
Insight Power Manger is the sole tool for setting power caps for groups ProLiant ML and DL servers. Using the IPM interface, an administrator can apply a power cap to the server group that is between the minimum power and the power supply rating of the entire group. This is illustrated in Figure - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 15
to set the power cap for a BladeSystem enclosure to any value between the power cap lower bound and the maximum available power for the enclosure. Figure 8 shows the Power Management screen from HP Onboard Administrator. This screen is where the Enclosure Dynamic Power Cap is set. Figure 8. Setting - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 16
power cap to ML and DL servers. The OA within each enclosure will use this power cap to determine a blade power budget for the enclosure and to create power caps for the individual server blades. It will then continue to monitor and adjust the individual server blade power caps based on their power - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 17
specific power savings or capacity planning targets. Figure 10 shows the output from the HP Power Calculator utility for a ProLiant DL380 G5 server and cooling requirements to support this system in the data center. For a rack containing a group of eight of these servers, the total requirements - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 18
Figure 10. HP Power Calculator results for a configured ProLiant DL380 G5 server 18 - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 19
servers running a typical variable load application. IPM generates this graph using data collected from each server ProLiant DL380 G5 servers The peak power consumption for the server the eight-server group running this server performance but would ensure that the server for the server group could - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 20
. This will have an adverse affect on the performance of those servers, especially if they support Dynamic Power Capping, since its faster monitoring will have greater impact on limiting transient peaks. HP recommends that administrators using Dynamic Power Capping review the peak power consumption - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 21
ProLiant DL580 G5 servers (based on HP group of servers supporting Dynamic enclosure by setting an enclosure power cap. For example, consider an HP BladeSystem c7000 enclosure fully configured with 16 server blades. Provisioning the power to the total of the HP 2250W power supplies' specification - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 22
Dynamic Power Capping 7836 Watts (PSU Specification) P ower P rovisioned to P S U • 2612 x 3 = 7836 watts • S ingle 3Ø L ine = 8640 • 16 B lades per 8KW 4000 Watts (Measured Peak) Power Provisioned to Cap at Measured Peak • ≈4KW enclosure • 32 Blades per 8KW 0 Watts Using Dynamic Power - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 23
during times of the day when electricity rates are highest will lower operating costs by decreasing average power use by the servers and, indirectly, by decreasing required cooling. To construct a time-of-day power capping scenario, administrators must create individual scheduled tasks in Insight - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 24
specifically for power and cooling management. Powering-up groups of servers when using Dynamic Power Capping HP problems. To prevent this from occurring, it is important to manually power on these server enclosure OA for BladeSystem servers. Setting low or unattainable power caps on servers In - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 25
to the aggregate minimum power for the enclosure and its server blades. Peak power reporting and Dynamic Power Capping Both iLO 2 and IPM report the power metrics for ProLiant servers, including peak power consumption. The power monitoring system for servers records peak power consumption as the - Compaq BL10e | HP Power Capping and Dynamic Power Capping for ProLiant servers t - Page 26
an enclosure's power cap across individual server blades based on support matrix HP Power Calculators page HP ProLiant Energy Efficient Solutions Power Regulator for ProLiant servers technology brief Power Regulator Hyperlink http://www.hp.com/go/powercapping http://www.hp.com/go/ipm http://www.hp
Abstract
..............................................................................................................................................
3
Introduction
.........................................................................................................................................
3
Basics of server power control
...............................................................................................................
3
Processor P-states
.............................................................................................................................
4
Clock throttling
................................................................................................................................
5
How power capping functions
...............................................................................................................
6
Maintaining power consumption below the cap
...................................................................................
6
Minimum and maximum power consumption for a server
......................................................................
6
Differences between HP Dynamic Power Capping and HP Power Capping
................................................
7
Power provisioning and Dynamic Power Capping
...............................................................................
7
Support for Power Capping in ProLiant servers
....................................................................................
8
Group power capping for servers through Insight Power Manager
............................................................
8
Enclosure Dynamic Power Capping
.......................................................................................................
9
Elements of an enclosure power cap
..................................................................................................
9
Enclosure Dynamic Power Capping operation
...................................................................................
10
Active power reallocation
...............................................................................................................
11
Enclosure Dynamic Power Capping in mixed blade environments
........................................................
11
Opting out servers
..........................................................................................................................
11
Setting power caps for servers
.............................................................................................................
12
Setting a power cap for a single server
.............................................................................................
12
Setting a power cap for a group of servers
.......................................................................................
14
Setting an BladeSystem enclosure power cap
....................................................................................
15
Setting a power cap for a group of enclosures
..................................................................................
16
Using power capping in data center provisioning
..................................................................................
17
Choosing effective power caps
........................................................................................................
17
Power capping to peak power consumption
......................................................................................
19
Power capping to average power consumption
.................................................................................
21
Using Enclosure Dynamic Power Capping in power provisioning
............................................................
21
Additional uses for power capping
......................................................................................................
22
Power capping for emergency management
......................................................................................
22
Time-of-day power capping
.............................................................................................................
23
Subtleties of power capping
................................................................................................................
24
Avoiding power capping conflicts within groups
................................................................................
24
Powering-up groups of servers when using Dynamic Power Capping
...................................................
24
Setting low or unattainable power caps on servers
.............................................................................
24
Peak power reporting and Dynamic Power Capping
..........................................................................
25
HP Power Capping and HP Dynamic Power
Capping for ProLiant servers
technology brief, 2
nd
edition