SYSTEM AND METHOD FOR DYNAMIC POWER CAPPING AND LOAD BALANCE MANAGEMENT FOR A MULTI-NODE SYSTEM

• US 20180307288A1
• Filed: 12/27/2017
• Published: 10/25/2018
• Est. Priority Date: 04/19/2017
• Status: Active Grant

• Current Assignee: Quanta Computer
• Original Assignee: Quanta Computer
• Inventors: HUANG, Jen-Hsuen, LIN, Fa-Da, LIN, Yi-Ping
• Granted Patent: US 10,664,030 B2
• Time in Patent Office: Days
• CPC Class Codes: G06F 1/26 Power supply means, e.g. regulation thereof for memories G11C
• CPC Class Codes: G06F 1/266 Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
• CPC Class Codes: G06F 1/28 Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
• CPC Class Codes: G06F 1/3203 Power management, i.e. event-based initiation of a power-saving mode
• CPC Class Codes: G06F 1/3206 Monitoring of events, devices or parameters that trigger a change in power modality
• CPC Class Codes: G06F 11/3062 where the monitored property is the power consumption power management in a computing system G06F1/3203

Abstract

A system and method to dynamically balance power to a multi-node system is disclosed. A chassis management controller is operable to regulate the power from a power source to each of the nodes. The chassis management controller determines a setting power for each nodes and a real power consumed by each node. The chassis management controller determines a next setting power for each node based on the real power and unused total power and total additional balance power for the plurality of nodes. The chassis management controller commands each node to regulate the power consumption of the node up to the setting power value.

Claims

1. A multi-node system that dynamically allocates power, the system comprising:

a plurality of nodes;

a power source providing power to each of the nodes;

a management controller coupled to the power source, the management controller operable to command each node to regulate the power consumption of the node, the management controller further operable to balance the power supplied to each node by;

determining a setting power for each node and a real power consumed for each node;

determining a next setting power for each node based on the real power and unused total power and total additional balance power for the plurality of nodes; and

commanding each node to regulate the power consumption of the node up to the next setting power value of the node.

2. The multi-node system of claim 1, wherein the next setting power value for each node is based on:

determining additional balance power for each of the nodes;

determining the ratio of power usage for each of the nodes based on the real power consumed by the node and the setting power value for the node; and

determining an add back balance power for each node based on the unused total power and the ratio of power usage.

3. The multi-node system of claim 2, wherein the unused total power is determined by subtracting a total power of the system from a power consumption value of the power supply, wherein the total power of the system is determined by sensors coupled to the nodes.

4. The multi-node system of claim 2, wherein the additional balance power for each node is determined by a coefficient of the real power of the node.

5. The multi-node system of claim 4, wherein the coefficient is a fixed value.

6. The multi-node system of claim 4, wherein the coefficient is a dynamic value.

7. The multi-node system of claim 1, wherein each node includes one or more processors, and the system is a multi-node motherboard including each of the nodes.

8. The multi-node system of claim 1, wherein at least one of the nodes of the plurality of nodes is a system device.

9. The multi-node system of claim 1, wherein the management controller is further operable to repeat the balancing the power supplied to each node by using the next setting power for each node for the setting power value for each node.

10. A method of managing power in a system including a plurality of nodes, each node consuming power, the method comprising:

determining a setting power for each node and a real power consumed for each node;

determining a next setting power for each node based on the real power and unused total power and total additional balance power for the plurality of nodes; and

regulating the real power up to the next setting power value to each of the nodes.

11. The method of claim 10, wherein determining the next setting power value for each node includes:

determining additional balance power for each of the nodes;

determining the ratio of power usage for each of the nodes based on the real power consumed by the node and the setting power value for the node; and

determining an add back balance power for each node based on the unused total power and the ratio of power usage.

12. The method of claim 11, wherein the unused total power is determined by subtracting a total power of the system from a power consumption value of the power supply, wherein the total power of the system is determined by sensors coupled to the nodes.

13. The method of claim 11, wherein the additional balance power for each node is determined by a coefficient of the real power of the node.

14. The method of claim 13, wherein the coefficient is a fixed value.

15. The method of claim 13, wherein the coefficient is a dynamic value.

16. The method of claim 10, wherein each node includes one or more processors, and the system is a multi-node motherboard including each of the nodes.

17. The method of claim 10, wherein at least one of the nodes of the plurality of nodes is a system device.

18. The method of claim 10, further comprising repeating the method in claim 11, wherein the setting power is set to the next setting power.

19. A chassis management controller for allocating power to a plurality of nodes, the chassis management controller comprising:

an interface coupled to a power supply circuit supplying power to each of the plurality of nodes;

a controller regulating the power supply circuit, the controller operative to;

determine the real power consumed by each of the nodes;

determine the unused total power of all of the nodes;

determine additional balance power for each of the nodes;

determine the ratio of power usage for each of the nodes based on the real power consumed by the node and a setting power value for the node;

determine an add back balance power for each node based on the unused total power and the ratio of power usage;

determine a next setting power value for each node based on the real power consumed by the node, the additional balance power for the node and the add back balance power for the node; and

commanding each node to regulate the power consumption of the node up to the next setting power value of the node.