HP ProLiant ML330e Dynamic Power Capping TCO and Best Practices White Paper (W
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- HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 1
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 - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 2
portfolio called Dynamic Power Capping. Delivered only with HP ProLiant and HP BladeSystem, Dynamic Power Capping helps customers reclaim trapped power capacity by safely limiting peak power consumption without impacting system performance. This paper explores how power allocation typically works - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 3
to deliver IT services. Also, starting in mid-December, 2008, HP will deliver Dynamic Power Capping, a solution that allows systems administrators to reclaim trapped power and cooling capacity by safely limiting the amount of power consumed by one or more ProLiant servers or HP BladeSystem c7000 - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 4
power capacity (per faceplate) Allocated power Allocated power capacity (per power calculator) reclaimed Hard cap of aggregate power with Dynamic Power Capping Actual aggregate power usage over time Time (hrs) At the Rack Level Dynamic Power Capping operates within each HP ProLiant server. In an HP - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 5
of setting the Dynamic Power Cap for individual servers, the IT administrator sets a cap for the entire HP BladeSystem c7000 enclosure. The Onboard Administrator, working in conjunction with the iLO 2 management processor, will adjust power caps dynamically based on workload intensity. Blades - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 6
number of CPUs, memory, drives, and internal peripherals operating at maximum performance on a continuous basis. 2. Generate Power Calculator/BladeSystem Sizer Estimates: HP Power Calculator and HP BladeSystem Sizer allow customers to size server power requirements more accurately based on the - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 7
39%. For the ProLiant BL460c G5 server, Dynamic Power Capping causes the per server power infrastructure cost to drop from $13,438 per server to $6,719 per server, a decrease of 49%. Table 2. HP ProLiant BL460c G1 Server Power and Costs Projections Faceplate Blade System Sizer (Enclosure) Load - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 8
3. HP ProLiant BL460c G5 Server Power and Costs Projections Faceplate Blade System Sizer (Enclosure) Load Testing and Dynamic Power Capping Enclosure Power 8,340 W 4,722 W 4,257 W w/16 Blade Servers Maximum Number of 16Blade Server* 28 Blade Servers 32 Blade Servers Blade Servers and - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 9
configuration (see Appendix), our configuration yields a power estimate of 450 Watts. • The HP Power Calculator output becomes the initial Dynamic Power Cap for your ProLiant rack-mount server. Based on the HP Power Calculator output for our ProLiant DL380 G5 configuration, we would set the initial - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 10
would not see as much power reclaimed. These scale-out applications typically have synchronized workloads that peak and idle concurrently. • First, download and apply the following updates to your HP ProLiant server (see Appendix for list of supported servers): Table 6. Component Requirement for - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 11
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. . • Finally, continue to observe power usage for each c7000 enclosure using HP Insight Control - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 12
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. Instead of budgeting based on power supply face plate values or some derivative of those numbers - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 13
HP ProLiant BL460c G1 Server 16 HP ProLiant BL460c G1 Servers 2 Intel® Xeon® Processor L5450 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: I15 iLO 1 HP BladeSystem c7000 Enclosure 10 Fans (Rev D, 48v) 6 Power Supply - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 14
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 10 Fans (Rev F, 12v) 4 Power Supply - HP ProLiant ML330e | Dynamic Power Capping TCO and Best Practices White Paper (W - Page 15
BladeSystem c7000 Enclosures Tech Brief Technology for remote management of power distribution Web address http://h20000.www2.hp.com/bc/docs/support/SupportManu al/c01543629/c01543629.pdf http://h20000.www2.hp.com/bc/docs/support/SupportManu al/c01503903/c01503903.pdf Feedback Send comments about
Dynamic Power Capping TCO and Best
Practices White Paper
Executive Summary
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Introduction
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Poor Power Planning Results in Trapped Power Capacity
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Thermal Logic and Dynamic Power Capping Reclaim Trapped Power Capacity
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At the Rack Level
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At Blade Enclosure Level
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The results of the data-gathering exercise appear in the following section
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Case 1.
HP ProLiant DL380 G5 Server
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Case 2.
HP ProLiant BL460c G1 and G5 Servers
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Best Practices for Implementing Dynamic Power Capping
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Setting Dynamic Power Caps for rack-mount servers
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Setting Dynamic Power Cap with HP BladeSystem infrastructure
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Conclusion
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Appendix:
TCO Test Configurations and Supported Servers
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Test Configuration 1—HP ProLiant DL380 G5 Server
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Test Configuration 2—HP ProLiant BL460c G1 Server
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Test Configuration 3—HP ProLiant BL460c G5 Server
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Supported Servers and Enclosures
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For more information
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Feedback
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