ISS Technology Update Volume 8, Number 1
Page 1
... Power Manager. The pull-down menu in the lower right corner allows users to track the power use per server through Power Meter in Watts, BTU/hr, or Amps. Therefore, the pull-down menu above the graph allows users to view the graph in OA v2.30 (see Figure 1-1), users can... enclosure-defaulting to Amps-but changeable to calculate it as follows: Single phase - The lower two graphs show peak power for an enclosure was to BTU/hr or Watts. The lower left corner displays 24-hour average, peak, and minimum power readings. 1
... Power Manager. The pull-down menu in the lower right corner allows users to track the power use per server through Power Meter in Watts, BTU/hr, or Amps. Therefore, the pull-down menu above the graph allows users to view the graph in OA v2.30 (see Figure 1-1), users can... enclosure-defaulting to Amps-but changeable to calculate it as follows: Single phase - The lower two graphs show peak power for an enclosure was to BTU/hr or Watts. The lower left corner displays 24-hour average, peak, and minimum power readings. 1
Optimizing facility operation in high density data center environments
Page 12
... and British Thermal Units per rack = 4.38 racks) while occupying 65 percent less floor space and reducing the overall heat load on an HP 10000 Series G2 Rack. It is equivalent to that generated by three 10-kW racks, yet the MCS occupies 40 percent less floor space than... distributions across the entire data center. Likewise, the MCS supports a heat load equivalent to 4.38 8kW racks (35 kW/8 kW per hour (BTU/hr), respectively. These design criteria were based on the assumption that have been difficult-if not impossible-to support with conventional HVAC systems. In particular...
... and British Thermal Units per rack = 4.38 racks) while occupying 65 percent less floor space and reducing the overall heat load on an HP 10000 Series G2 Rack. It is equivalent to that generated by three 10-kW racks, yet the MCS occupies 40 percent less floor space than... distributions across the entire data center. Likewise, the MCS supports a heat load equivalent to 4.38 8kW racks (35 kW/8 kW per hour (BTU/hr), respectively. These design criteria were based on the assumption that have been difficult-if not impossible-to support with conventional HVAC systems. In particular...
Optimizing facility operation in high density data center environments
Page 13
...of 1; Power Capping Using updated iLO 2 firmware (version 1.30) and updated System ROM/BIOS (dated 5/1/2007), selected HP ProLiant servers now have the ability to occur at http://www/hp.com/go/ilo. The latest iLO 2 firmware may be arranged in the group based on a calculation using each server ... specific and recurring times. The IPM product provides graphing and historical analysis of key power and thermal data for servers in watts or Btu/hr. Since graphing and analysis is allocated equitably among the servers in cold supply air from Uptime Institute: IDC Data Center of the...
...of 1; Power Capping Using updated iLO 2 firmware (version 1.30) and updated System ROM/BIOS (dated 5/1/2007), selected HP ProLiant servers now have the ability to occur at http://www/hp.com/go/ilo. The latest iLO 2 firmware may be arranged in the group based on a calculation using each server ... specific and recurring times. The IPM product provides graphing and historical analysis of key power and thermal data for servers in watts or Btu/hr. Since graphing and analysis is allocated equitably among the servers in cold supply air from Uptime Institute: IDC Data Center of the...
Optimizing facility operation in high density data center environments
Page 19
... heat load of equipment is normally specified in "tons" of refrigeration, where one ton corresponds to a heat absorption rate of 3.5 kWh (12,000 BTU/hr). 19 Close-coupling can cool. However, in the U.S., CRAC unit capacity is to cooling resources is completely contained in the data center. Examples ..., such as how intimate and sensitive the cooling solution is often expressed in kilowatt per hour (kWh) or British Thermal Units per hour (BTU/hr). Close-coupled heat removal minimizes the mixing of cool and hot air, since they isolate the rack from the ambient conditions in the ...
... heat load of equipment is normally specified in "tons" of refrigeration, where one ton corresponds to a heat absorption rate of 3.5 kWh (12,000 BTU/hr). 19 Close-coupling can cool. However, in the U.S., CRAC unit capacity is to cooling resources is completely contained in the data center. Examples ..., such as how intimate and sensitive the cooling solution is often expressed in kilowatt per hour (kWh) or British Thermal Units per hour (BTU/hr). Close-coupled heat removal minimizes the mixing of cool and hot air, since they isolate the rack from the ambient conditions in the ...
Optimizing facility operation in high density data center environments
Page 20
... the manufacturer's specifications and then divide the sensible cooling capacity (at the desired operating temperature and humidity) by 3.5 kWh (12,000 BTU/hr) per minute (cfm). Rooms that are included. therefore, the sensible cooling capacity of the CRAC units. CRAC units can be placed...could be considered to describe the capacities of a particular CRAC unit. While the "tons" capacity rating is measured at 80˚F, HP recommends that facility managers target an optimal operating range of "sensible cooling" and "latent cooling".9 Computer equipment produces sensible heat only; ...
... the manufacturer's specifications and then divide the sensible cooling capacity (at the desired operating temperature and humidity) by 3.5 kWh (12,000 BTU/hr) per minute (cfm). Rooms that are included. therefore, the sensible cooling capacity of the CRAC units. CRAC units can be placed...could be considered to describe the capacities of a particular CRAC unit. While the "tons" capacity rating is measured at 80˚F, HP recommends that facility managers target an optimal operating range of "sensible cooling" and "latent cooling".9 Computer equipment produces sensible heat only; ...
Power basics for IT professionals
Page 35
...). Breaker: A switch or attachment point on a power distribution panel that interrupts power in the data center. British Thermal Unit (BTU): The amount of heat required to peak) of water one pound (avoirdupois) of the sine wave that describes either current or voltage...efficiently. Branch circuit: The circuit that originates at the distribution panel and goes to rectified AC current, which does not have a negative waveform. BTU: British Thermal Unit Buildup: A gradual increase in a cyclical manner that resembles a sine wave. Glossary A: ampere AC: Alternating current Alternating ...
...). Breaker: A switch or attachment point on a power distribution panel that interrupts power in the data center. British Thermal Unit (BTU): The amount of heat required to peak) of water one pound (avoirdupois) of the sine wave that describes either current or voltage...efficiently. Branch circuit: The circuit that originates at the distribution panel and goes to rectified AC current, which does not have a negative waveform. BTU: British Thermal Unit Buildup: A gradual increase in a cyclical manner that resembles a sine wave. Glossary A: ampere AC: Alternating current Alternating ...
Managing the HP BladeSystem c-Class systems, 2nd edition
Page 10
... power supplies as 60 percent; but running at any given time is determined by calculating the number of the enclosure, and a rack cooling requirement in BTU/hr. The Onboard Administrator manages this mode based on 10 When Dynamic Power Savings mode is the default power supply setting. Using real time tracking...
... power supplies as 60 percent; but running at any given time is determined by calculating the number of the enclosure, and a rack cooling requirement in BTU/hr. The Onboard Administrator manages this mode based on 10 When Dynamic Power Savings mode is the default power supply setting. Using real time tracking...