datacenter basics

datacenter basics - Datacenter Basics Fred Chong 290N Green...

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Datacenter Basics Fred Chong 290N Green Computing
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Storage Hierarchy Figure : Storage hierarchy of a Warehouse-scale computer
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Performance Variations Figure : Latency, bandwidth and capacity of a Warehouse-scale computer
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Server Comparison HP Integrity Superdome –  Itanium2 HP ProLiant ML350 G5 Processor 64 sockets, 128 cores (dual- threaded), 1.6GHz Itanium2,  12MB last-level cache 1 socket, quad-core, 2.66GHz X5355  CPU, 8MB last-level cache Memory 2048GB 24GB Disk storage 320,974GB, 7056 drives 3961GB, 105 drives TPC-C  price/perform ance $2.93/tpmC $0.73/tpmC price/perform ance (server  HW only) $1.28/transactions per minute $0.10/transactions per minute price/perform ance (server  HW only) (no  discounts) $2.39/transactions per minute $0.12/transactions per minute
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Cost proportional to Power Cost proportional to power delivered Typically $10-20/W Power delivery 60-400kV transmission lines 10-20kV medium voltage 110-480V low voltage
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UPS Uninterruptible Power Supply Batteries or flywheel AC-DC-AC conversion Conditions the power feed Removes spikes or sags Removes harmonic distortions Housed in a separate UPS room Sizes range from hundreds of kW to 2MW
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PDUs Power Distribution Units Breaker panels Input 200-480V Output many 110V or 220V 75-225kW in 20-30A circuits (max 6 kW) Redundancy from two independent power sources
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This note was uploaded on 12/27/2011 for the course CMPSC 290h taught by Professor Chong during the Fall '09 term at UCSB.

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datacenter basics - Datacenter Basics Fred Chong 290N Green...

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