Introduction to Datacenters & the Cloud Datacenter Power Alex M. Hurd Clarkson Open Source Institute March 26, 2015 Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 1 / 14
Overview Datacenter Power Bahnhof Syracuse Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 2 / 14
Cost Analysis 950 Servers 25 Racks of Servers 38 Servers per Rack 450 Watts per Server 427.5 kWhs per Hour 12 cents per kWh Total Cost of 51.30$ per Hour of Operation Cost for a Year 449,388$ per Year 1% is equal to 4,500$ Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 3 / 14
Traditional Power Distribution Line Voltage (AC Varies) to (DC 12V) Uninterpretable Power Supply (DC 12V) to (AC 480V) Power Distribution Unit (AC 480V) to (AC 208V) Power Supply (AC 208V) to (DC 12V) Server (DC 12V) Efficiency as low as 60% Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 4 / 14
New Power Distribution Line Voltage (AC Varies) to (DC 12V) Uninterpretable Power Supply (DC 12V) to (AC 480V) Power Distribution Unit (AC 480V) to (AC 277V) Power Supply (AC 277V) to (DC 12V) Server (DC 12V) Efficiency between 80-90% Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 5 / 14
Open Compute v2.0 Power Distribution Line Voltage (AC Varies) to (AC 480V) Power Distribution Unit (AC 480V) to (AC 277V) Power Supply (AC 277V) to (DC 12V) In-Line UPS (DC 12V) to (DC 12V) Server (DC 12V) Efficiency between 90-95% Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 6 / 14
Bahnhof Datacenter Location: Stockholm, Sweden Online: September 2008 Time to Design and Build: 20 Months Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 7 / 14
Bahnhof Datacenter Continued Site is nested inside a former nuclear bunker Located 30m below the surface The servers of this fortress are protected by a 40cm thick metal door. Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 8 / 14
Bahnhof Datacenter Continued Size: 1,000 sq. m Total, 700 sq. m for systems 1m deep raised floor Incorporates exterior air for cooling Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 9 / 14
Bahnhof Datacenter Continued Number of Server Racks: 140 Energy Density: 5.7kW avg. IT power Capacity: 800kW Dual Maybeach Submarine Engines for standby power Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 10 / 14
Syracuse Datacenter Location: Syracuse, NY Online: December 2009 Time to Design and Build: 14 Months Tier: II Cost: 12.4 Million$ Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 11 / 14
Syracuse Datacenter Continued Uses on-site Micro-Turbines for UPS and Power Generation Natral Gas in the Mirco-Turbines is used to generate power, cool the air, and heat the building next door. Facility utilizes back of rack water cooling Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 12 / 14
Syracuse Datacenter Continued Size: 12,000 sq. ft Total, 6000 sq. ft of hosting space 36inch deep raised floor DC Electric energy is generated and used on site. Both back-of-rack chillers and sidecar chillers were installed in the datacenter Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 13 / 14
Syracuse Datacenter Continued Number of Server Racks: 70 Energy Density: 8kW avg. IT power Capacity: 600kW 12x 65kW Micro-Turbines for backup power and UPS Alex M. Hurd (COSI) Introduction to Datacenters & the Cloud March 26, 2015 14 / 14
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