HP ProLiant DL380p HP Power Regulator for ProLiant servers

HP ProLiant DL380p Manual

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  • HP ProLiant DL380p | HP Power Regulator for ProLiant servers - Page 1
    Power Regulator for ProLiant servers Technology brief, 5th edition Introduction...2 Processor P-states...2 Power Regulator technology...2 HP Power Regulator modes ...2 Processor drivers...3 HP Static High Performance mode...3 HP Static Low Power mode...3 HP Dynamic Power Savings mode...4 OS Control
  • HP ProLiant DL380p | HP Power Regulator for ProLiant servers - Page 2
    Pmax Pmin Maximum performance Minimum power 2.2 GHz 800 MHz Power Regulator technology HP Power Regulator is an OS-independent power management feature of HP ProLiant servers. It is included on all HP ProLiant servers (200-series and above). Processor power and performance state registers exposed
  • HP ProLiant DL380p | HP Power Regulator for ProLiant servers - Page 3
    Regulator operating modes. HP has developed server ROM firmware that implements the Static specific processor designs and the OS. Windows uses information obtained from the CPU Identification instruction to determine processor type and feature set in order to load the correct processor driver. HP
  • HP ProLiant DL380p | HP Power Regulator for ProLiant servers - Page 4
    use of Pmax and Pmin and every P-state in between. HP ProLiant servers enable HP Dynamic Power Savings mode by default to provide significant, out- collects non-halted clock cycles. Modern operating systems execute a HLT instruction when a processor is idle, preventing the processor from running in
  • HP ProLiant DL380p | HP Power Regulator for ProLiant servers - Page 5
    . Collaborative Power Control mode CPC is available on Intel-based HP ProLiant G6 and later servers with supported operating systems (at the time of publication, Windows Server 2008 R2 supports CPC). Prior to CPC, firmware-based power management and OS-based power management were mutually exclusive
  • HP ProLiant DL380p | HP Power Regulator for ProLiant servers - Page 6
    is another method for broadcasting configuration settings to multiple servers and requires a reboot to activate those settings. HP Insight Control communicates with the iLO management processor on supported ProLiant servers and allows multi-server configuration of the Power Regulator modes. A multi
  • HP ProLiant DL380p | HP Power Regulator for ProLiant servers - Page 7
    operating in different Power Regulator modes. For example, Figures 2 and 3 display the power and performance results for both an HP ProLiant DL380 G7 server and an HP ProLiant DL385 G7 under different levels of application load while in the Static Low Power, Static High Performance, and Dynamic
  • HP ProLiant DL380p | HP Power Regulator for ProLiant servers - Page 8
    CPU utilization (performance) loads using the two-processor DL380 G7 server with Quad-core Intel Xeon 5670 2.93-GHz processors. At as Static Low mode. Figure 2. Power and performance comparison of the DL380 G7 server in Dynamic Power Savings mode (slow and fast response time) and Static modes
  • HP ProLiant DL380p | HP Power Regulator for ProLiant servers - Page 9
    system performance. Figure 3. Power and performance comparison of the DL385 G7 server in Dynamic Power Savings mode (slow and fast response time) and Static in each test. • Because Dynamic Power Savings mode lets the firmware determine the best performance-to-power level, it achieves lower power
  • HP ProLiant DL380p | HP Power Regulator for ProLiant servers - Page 10
    latency-sensitive. Reducing power and cooling cost Power Regulator is a valuable tool to improve server power use for typical client-server applications such as database, email, file and print, web server, and online transaction processing. Figure 4 shows the effect of Power Regulator on a DL380
  • HP ProLiant DL380p | HP Power Regulator for ProLiant servers - Page 11
    and create significant savings for large data center operations. Table 3. Calculated annual power cost savings for an HP ProLiant DL380 G7 server running the 60% average workload shown in Figure 4 Parameter Calculation Savings Power saved 16 W PUE* = 2.0 2.0 x 16 W 32 W (or 0.032 kW) Annual
  • HP ProLiant DL380p | HP Power Regulator for ProLiant servers - Page 12
    Summary HP Power Regulator for ProLiant servers is an important technology for any data center facing than OS-based power management. Its compatibility with other HP management products such as iLO and Insight Control makes the HP Power Regulator an integral part of a complete enterprise management
  • HP ProLiant DL380p | HP Power Regulator for ProLiant servers - Page 13
    Infrastructure Metrics (PUE/DCiE) Implementing Microsoft Windows Server 2008 R2 on HP ProLiant servers, integration note Processors supported by Power Regulator SPECpower_ssj2008 benchmark Web address http://h20000.www2.hp.com/bc/docs/support/SupportManu al/c02048495/c02048495.pdf http://h20195
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Power Regulator for ProLiant servers
Technology brief, 5th edition
Introduction
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2
Processor P-states
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2
Power Regulator technology
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2
HP Power Regulator modes
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2
Processor drivers
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3
HP Static High Performance mode
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3
HP Static Low Power mode
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3
HP Dynamic Power Savings mode
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4
OS Control mode
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5
Collaborative Power Control mode
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5
Managing Power Regulator configuration
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6
Individual server setup
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6
Multi-server setup
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6
Using Power Regulator with VMware ESX
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6
Using Intel Turbo Boost Technology® with HP Power Regulator
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7
Power consumption and system performance
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7
Reducing power and cooling cost
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10
Summary
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12
For more information
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13
Call to action
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13