Compaq BL10e - HP ProLiant - 512 MB RAM Introduction Manual
Dynamic power capping tco and best practices white paper (emea edition)
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Dynamic Power Capping TCO and Best
Practices White Paper
Executive Summary .............................................................................................................................. 2
Introduction ......................................................................................................................................... 2
Poor Power Planning Results in Trapped Power Capacity.......................................................................... 2
Thermal Logic and Dynamic Power Capping Reclaim Trapped Power Capacity .......................................... 3
At the Rack Level .............................................................................................................................. 4
At Blade Enclosure Level ................................................................................................................... 5
The results of the data-gathering exercise appear in the following section. .............................................. 6
Case 1. HP ProLiant DL380 G5 Server .............................................................................................. 6
Case 2. HP ProLiant BL460c G1 and G5 Servers................................................................................ 7
Best Practices for Implementing Dynamic Power Capping ......................................................................... 8
Setting Dynamic Power Caps for rack-mount servers ............................................................................. 8
Setting Dynamic Power Cap with HP BladeSystem infrastructure .......................................................... 10
Conclusion........................................................................................................................................ 12
Appendix: TCO Test Configurations and Supported Servers................................................................... 13
Test Configuration 1-HP ProLiant DL380 G5 Server.......................................................................... 13
Test Configuration 2-HP ProLiant BL460c G1 Server ........................................................................ 13
Test Configuration 3-HP ProLiant BL460c G5 Server ........................................................................ 14
Supported Servers and Enclosures.................................................................................................... 14
For more information.......................................................................................................................... 15
Feedback.......................................................................................................................................... 15
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Summary of Contents for Compaq BL10e - HP ProLiant - 512 MB RAM
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Page 1: Table Of Contents
Dynamic Power Capping TCO and Best Practices White Paper Executive Summary ..........................2 Introduction ............................2 Poor Power Planning Results in Trapped Power Capacity................2 Thermal Logic and Dynamic Power Capping Reclaim Trapped Power Capacity .......... 3 ... -
Page 2: Executive Summary
Executive Summary Today, more than ever, companies must focus on optimizing their usage of power and cooling resources. The capital cost of constructing data center infrastructure as well as the ongoing expense of powering IT equipment have risen significantly over the past decade. Data center managers also may encounter limitations, imposed by local utilities, on the amount of power capacity available for IT operations. -
Page 3: Thermal Logic And Dynamic Power Capping Reclaim Trapped Power Capacity
attention of the CIO, and many organizations are now being asked to find creative ways to reduce power consumption and better utilize existing facilities while maintaining or improving the quality of IT service delivery. Faced with half-filled racks, a lack of power and cooling capacity and no budget to increase capacity, IT organizations and their facilities counterparts are forced to abandon traditional power-budgeting techniques, such as budgeting to power supply faceplate levels. -
Page 4: At The Rack Level
Figure 1. Data Center with Dynamic Power Capping Allocated power capacity (per faceplate) Allocated power capacity (per faceplate) Allocated power capacity (per power calculator) Allocated power capacity (per power calculator) Hard cap of aggregate power Hard cap of aggregate power with Dynamic Power Capping with Dynamic Power Capping Actual aggregate... -
Page 5: At Blade Enclosure Level
Figure 2. Rapid response of Dynamic Power Capping avoids circuit breaker trips No Dynamic Power Capping No Dynamic Power Capping Dynamic Power Capping Enabled Dynamic Power Capping Enabled Circuit Circuit Circuit Circuit trips trips Safe Safe Total circuit capacity Total circuit capacity Total circuit capacity Total circuit capacity De‐rated circuit capacity De‐rated circuit capacity De‐rated circuit capacity De‐rated circuit capacity Dynamic Power Cap Dynamic Power Cap Time (seconds) Time (seconds) Time (seconds) Time (seconds) Capacity Capacity Capacity Capacity Total circuit capacity... -
Page 6: The Results Of The Data-Gathering Exercise Appear In The Following Section
the number of servers budgeted using faceplate, power calculator, and Dynamic Power Capping represents the capital cost recovery potential of the Dynamic Power Capping solution. The SpecJBB benchmark was used to generate load for the Dynamic Power Capping portion of the TCO analysis. -
Page 7: Case 2. Hp Proliant Bl460C G1 And G5 Servers
While customers who use faceplate as their primary means of budgeting server power will see the most dramatic increase in servers per circuit and the most dramatic decrease in power provisioning cost per server, most customers will gain the ability to reclaim trapped power capacity at some level. -
Page 8: Best Practices For Implementing Dynamic Power Capping
Blade Servers and 1 Enclosures 2 Enclosures 2 Enclosures Enclosures in Circuit Power Provisioning $13,438 $7,679 $6,719 Cost Per Server @ $25k per kW * While technically more than 16 blade servers will fit, the number of incremental servers does not justify the purchase of an additional enclosure. - Page 9 Dynamic Power Caps should always be done in conjunction with your facilities department. First, download and apply the following updates to your HP ProLiant server (see • Appendix for list of supported servers): Table 4. Component Requirement for Rack-Mount Servers Required Component Version Required Comment...
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Page 10: Setting Dynamic Power Cap With Hp Bladesystem Infrastructure
Step 4 Continue to observe power usage and adjust if Dynamic Power Cap is invoked frequently. Setting Dynamic Power Cap with HP BladeSystem infrastructure When setting a Dynamic Power Cap for an HP BladeSystem enclosure, the process follow the same general principles as our rack-mount example with a few important differences. Please note that setting and adjusting Dynamic Power Caps should always be done in conjunction with your facilities department. - Page 11 that the peak value observed represents the true peak power usage for the c7000 enclosure in question. Based on observed power usage, continue to add more blades to the c7000 enclosure • until power consumption approaches the 4300 Watt Dynamic Power Cap. Based on our TCO benchmark comparison, we were able to fit 14 BL460c G1 servers in each enclosure for a total of 28 servers for the 8.6 kW circuit.
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Page 12: Conclusion
Conclusion As the cost of provisioning power and cooling to enterprise data centers continues to rise, IT organizations find themselves confronted with half-filled racks, a lack of power and cooling capacity, and less budget available for large data center build-outs. Solving this problem will require a focus on reducing energy consumption as well as a concerted effort re-examine how power is budgeted within the data center. -
Page 13: Appendix: Tco Test Configurations And Supported Servers
Appendix: TCO Test Configurations and Supported Servers The following tables contain the configuration of the servers as tested. Test Configuration 1—HP ProLiant DL380 G5 Server 1 HP ProLiant DL380 G5 server 2 Quad-Core Intel® Xeon® Processor E5450 8 1GB PC2-5300 DDR2 Fully Buffered Low-Power DIMMs 4 Hot Plug SFF SAS 10K 72GB Hard Drives in a RAID 5 Configuration 2 Power Supply Units ROM Revision: P56 9/1/08... -
Page 14: Test Configuration 3-Hp Proliant Bl460C G5 Server
Test Configuration 3—HP ProLiant BL460c G5 Server 16 HP ProLiant BL460c G5 Servers 2 Intel® Xeon® Processor L5430 4 4GB PC2-5300 DDR2 Fully Buffered Low-Power DIMMs 2 Hot Plug SFF SAS 10K 72GB Hard Drives in a RAID 1 Configuration ROM Revision: I23 9/29/08 iLO Revision: v1.70 pass 11 1 HP BladeSystem c7000 Enclosure... -
Page 15: For More Information
For more information For additional information, refer to the resources listed below. Resource description Web address Powering HP BladeSystem c7000 http://h20000.www2.hp.com/bc/docs/support/SupportManu Enclosures al/c01543629/c01543629.pdf Tech Brief Technology for remote management of http://h20000.www2.hp.com/bc/docs/support/SupportManu power distribution al/c01503903/c01503903.pdf Feedback Send comments about this paper to ProLiantEssentials@hp.com ©...