HP ProLiant BL660c HP Power Regulator for ProLiant servers

HP ProLiant BL660c Manual

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  • HP ProLiant BL660c | 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 BL660c | 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 BL660c | HP Power Regulator for ProLiant servers - Page 3
    the multiple Power Regulator operating modes. HP has developed server ROM firmware that implements the Static capabilities together. Operating systems supporting CPC can communicate with the instruction to determine processor type and feature set in order to load the correct processor driver. HP
  • HP ProLiant BL660c | 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 BL660c | HP Power Regulator for ProLiant servers - Page 5
    , take effect immediately. 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
  • HP ProLiant BL660c | 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 BL660c | HP Power Regulator for ProLiant servers - Page 7
    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 Power Savings
  • HP ProLiant BL660c | HP Power Regulator for ProLiant servers - Page 8
    performance range like Static High mode, but provides the same power savings 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 (Low Power and High Performance) 100 90 80 Power (percent
  • HP ProLiant BL660c | HP Power Regulator for ProLiant servers - Page 9
    mode begins to run the processors at the higher P-states to maintain optimal 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 modes (Low Power and High Performance) 100 90 80 Power
  • HP ProLiant BL660c | HP Power Regulator for ProLiant servers - Page 10
    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 G7server running a workload comparable to the SPECpower_ssj2008 benchmark. The G7 system used in this test included two Quad-core Intel Xeon
  • HP ProLiant BL660c | 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 BL660c | 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 BL660c | 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