HP ProLiant DL590/64 Critical factors in intra-rack power distribution plannin - Page 12
Rack configurations for distributing power to HP ProLiant DL servers, HP ProLiant DL360 G5 server
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Rack configurations for distributing power to HP ProLiant DL servers This section describes power distribution configurations for a high-density server system based on HP ProLiant DL 360 G5 servers. The ProLiant DL 360 G5 is a 1U server that uses an auto-ranging power supply and supports power redundancy when used in the 1 + 1 power supply configuration option. These configurations use monitored PDUs and fixed cord extension bars (Figure 8). Figure 8. HP ProLiant DL360 G5 system and power distribution components HP ProLiant DL360 G5 server Monitored PDU Fixed cord Extension Bar Table 3 shows the difference in power requirements of the ProLiant DL360 G5 server when it is used in two different scenarios. In one scenario, the server is configured and utilized to about half its potential. In the other scenario, the server is nearly at maximum configuration and estimated to run at a relatively high (70 percent) state of use. Both configurations employ redundant power (two supplies per system) and use high-line voltage. The maximum configuration operates off three-phase power. Although a standard 42U rack can physically accommodate 42 ProLiant DL360 G5 servers, it is advisable to leave space for server expansion, power distribution components such as PDUs and UPSs, keyboard/video/mouse (KVM) equipment, and/or networking components. Table 3. HP ProLiant DL360 G5 server power distribution configurations No. of servers in rack 30 30 System configuration (each server) One 2.0-GHz processor, 2 GB memory, one PCI-E card, two 36 GB hard drives, system utilization estimated at 40% Total VA required 8.5 kVA Two 3.0-GHz processors, 16 GB memory, two PCI-E cards, four 146-GB SAS hard drives, system utilization estimated at 70% 14.5 kVA Total current draw 36 A 60 A No./type of outlets required 60/C13 60/C13 Recommended PDU 1Ф 208VAC: Monitored PDU AF506A (x2) or monitored PDU AF505A 1Ф 220VAC: Monitored PDU AF508A (x2) 3Ф 208VAC: Monitored PDU AF916A and fixed cord extension bar 351655-B21 (x5) 3Ф 220VAC: Monitored PDU AF509A (x2) Products and part numbers discussed in this document are subject to change without notice. Refer to the URL provided in the "For more information" section for the latest available products and part numbers Total VA and current requirements were determined using the HP Power Calculator Utility available at the following URL: http://h30099.www3.hp.com/configurator/calc/Power%20Calculator%20Catalog.xls 12