Automated power management system for a network of computers
First Claim
1. A computer system, comprising:
- a plurality of computers, each computer capable of being in one of a plurality of power states; and
a load balancer and power management logic coupled to said computers and to a network, wherein said load balancer and power management logic changes the power state of at least one of said plurality of computers based on transactions on said network.
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Accused Products
Abstract
A computer system comprising a plurality of computing entities includes automatic power management logic that automatically transitions the system to a state in which less power is consumed when appropriate. The determination as to when this transition should occur is based on determining when demand for the processing abilities of the system are reduced. Once the decision has been made to transition to a reduced power state, the system'"'"'s power management logic makes this transition in such a way to preferably minimize or at least reduce the performance impact on the system. Also, rather than altering the power state of one of the computing entities in the system, the entity can be deployed as part of another computing system.
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Citations
42 Claims
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1. A computer system, comprising:
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a plurality of computers, each computer capable of being in one of a plurality of power states; and
a load balancer and power management logic coupled to said computers and to a network, wherein said load balancer and power management logic changes the power state of at least one of said plurality of computers based on transactions on said network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A computer system, comprising:
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a load balancer computer having a connection to a network and receiving transactions from said network;
a master power management agent (PMA) coupled to said load balancer;
a plurality of transaction processing computers coupled to said load balancer computer and said master power management agent and receiving said transactions from said load balancer computer for processing, each of said transaction processing computers having multiple power states;
wherein said master PMA determines when a specified condition is true and when said condition is true causing the power state of a transaction processing computer to change. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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- 18. The computer system of 15 wherein said state that draws less power is a state in which the said state that draws less power is operational, but at reduced functionality.
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21. A data center, comprising:
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a master power management agent (PMA) coupled to a first network;
a plurality of transaction processing computers coupled to first network;
a management control console coupled to said first network and permitting a user via specify an upper limit for power usage by said data center and said master PMA maximizes the performance of the data center for the specified power limit. - View Dependent Claims (22, 23, 24, 25)
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26. A data center, comprising:
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a master power management agent (PMA) coupled to a first network;
a plurality of transaction processing computers coupled to first network;
wherein a user via said management control console can specify a performance criterion for said data center and said master PMA minimizes the overall power usage of the data center for the specified performance criterion. - View Dependent Claims (27, 28, 29)
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30. A method of managing power in a computer network which includes a plurality of computers, comprising:
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(a) monitoring a parameter associated with the network;
(b) determining when said parameter falls outside a defined range; and
(c) if said parameter falls outside a defined range, changing a power state of at least one computer. - View Dependent Claims (31, 32, 33, 34)
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35. A computer system, comprising:
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a plurality of computers coupled together over a network, each computer capable of being in one of a plurality of power states; and
power management logic coupled to said computers and to said network, wherein said power management logic changes the power state of at least one of said plurality of computers based on a protocol. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42)
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Specification