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P. 350
Index 315
rice research project (grid computing), solar energy. See also solar power
184-186 defined, 272
Rohrs, Lynn, 163 storage, 132
ROHS (Restriction of Hazardous solar power, 272-279. See also solar energy
Substances) directive, 80 active and passive solar technologies, 273
ROI (return on investment) for green data as complement to wind power, 265
centers, 7 cost of generation, 254
Rosenblum, Matthew, 51 CSP systems, 276-277
run-of-the-river hydroelectric plants, 256 defined, 272
experimental systems, 277-278
S peak power capacity statistics, 275-276
photovoltaics, 273-275
Sahin, Serkan, 194 storage systems, 278-279
Salesforce.com energy efficiency solution-level monitoring, Montpelier,
initiatives, 82
France case study, 192-194
Samudrala, Ram, 185 SPEC (Standard Performance Evaluation
SAN Volume Controller (SVC), 93-95 Corporation), 110
Save Energy Now Data Center initiative, 45 feedback on EPA metrics, 115
schools, government regulation and, 66-67 idle time power usage, 110-114
screen savers, 27 spiders, defined, 239
Second Life, 5 square footage. See physical space
sensible heat removal, 141 requirements
server consolidation, 6, 46, 88-89 Standard Performance Evaluation
green IT checklist, 217 Corporation. See SPEC ptg
India case study, 199
server power calculators, 225 standardization, 30
standby power. See idle time power usage
server usage in data centers, 5 state government, data center energy
server virtualization efficiency actions, 65
background, 86-87 state rankings for wind power, 269-270
of blade servers, 103 storage of data, impact of server
business benefits of, 103-104 virtualization on, 105-108
cluster architecture for, 99-101 Storage Networking Industry Association.
combining with blade servers, 104-105 See SNIA
impact on data storage, 105-108 storage systems
partitioning, 92 hierarchical storage, 219
techniques for, 92-93 for solar power, 278-279
utilization diagram, 97-98
Shakespeare, William, 205 storage virtualization, 107
IBM SAN Volume Controller (SVC), 93-95
Siedzik, Rich, 162 tapes, 95
Siemens, Ernst Werner von, 274 stored cooling, 132
single-instance storage. See data stored energy, 132-134
deduplication
small-scale hydroelectric plants, 256-257 Subramaniam, Ravi, 237
Sun case study (green computer
small-scale wind power generation, manufacturers), 233-234
271-272
Smartbank, 192-194 energy efficiency initiatives, 82
telecommuting at, 83
SNIA (Storage Networking Industry supplemental cooling for data centers,
Association), collaboration with 142-143
The Green Grid, 48-49
software efficiency, 12, 24-25, 37, 208 supply-chain issues, 19-20
SVC (IBM SAN Volume Controller), 93-95