Programmable throttling in blade/chassis power management

Details Programmable throttling in blade/chassis power management Programmable throttling in blade/chassis power management

2005-12-22

2009-02-17

Patel, Nitin C (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

C713S321000, C713S330000, C713S340000

Reexamination Certificate

active

07493503

ABSTRACT:
A method and system are disclosed to enable and control power reduction in a blade/chassis system. A “maximum power reduction” attribute is stored in the VPD of the blade (or can otherwise be input to or retrieved or calculated by the management entity). The management module of the chassis in which the blades and power supplies are located uses this information to manage the power reduction of blades when the system is operating in an over-subscription mode and a power supply fails. If throttling is required, the system knows the amount of power reduction available for each blade and controls the throttling by spreading it out among the blades in the system so that, ideally, no blade will cease operation altogether.

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