December 2011
Intermediate to advanced
426 pages
13h 30m
English
book
Power Systems Enterprise Servers with PowerVM Virtualization and RAS
by Dino Quintero, JinHoon Baek, Guillermo Diez, Hassan Elsetohy, Debra Francis, Bing He, Rajesh Jeyapaul, Anil Kalavakolanu, Tejaswini Kaujalgi, David Kgabo, Ricardo Puig, Vani Ramagiri
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38 Power Systems Enterprise Servers with PowerVM Virtualization and RAS
Instead of controlling frequency ranges, POWER7 EnergyScale with EM711 firmware or
newer selects from various power and performance control algorithms, depending on the
selected mode. In Dynamic Power Saver, Favor Power mode, system firmware balances
performance and power consumption, only increasing processor core frequency when the
system is heavily utilized. In Dynamic Power Saver, Favor Performance mode, system
firmware defaults to the maximum processor core frequency that is allowed for a given
system’s environment and configuration, and reduces frequency only when a system is lightly
utilized or idle.
2.6 Rapid deployment of PowerVM clients
This section presents three ...
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