POWER-CAPPING BASED ON UPS CAPACITY
First Claim
1. One or more computer-readable storage media that store executable instructions to cap power drawn by equipment in a data center, the executable instructions, when executed by a computer, causing the computer to perform acts comprising:
- determining a first amount of capacity in an Uninterruptable Power Supply (UPS) based on one or more factors;
determining that a second amount of power used by a plurality of pieces of equipment in said data center exceeds said first amount of capacity;
determining a set of said plurality of pieces of equipment that are to be throttled to reduce power usage of said pieces of equipment at or below said first amount; and
issuing instructions to throttle pieces of equipment in said set, said instructions being issued when said pieces of equipment are operating on utility power and not on UPS power.
2 Assignments
0 Petitions
Accused Products
Abstract
The power draw of equipment in a data center may be capped in order to keep the power draw under the capacity of the Uninterruptable Power Supply (UPS) that serves the data center. The current capacity of the UPS may be estimated, and the equipment may be controlled so as to keep the equipment'"'"'s power draw under that current capacity. Factors that may affect the estimate of the UPS'"'"'s current capacity include the history of temperature and humidity to which the UPS has been subject, and charge/discharge history of the UPS. Factors that may affect the decision of which equipment to throttle to a lower power level include: the current power load at the data center, the type of software that each server is running, and the demand for that software.
52 Citations
20 Claims
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1. One or more computer-readable storage media that store executable instructions to cap power drawn by equipment in a data center, the executable instructions, when executed by a computer, causing the computer to perform acts comprising:
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determining a first amount of capacity in an Uninterruptable Power Supply (UPS) based on one or more factors; determining that a second amount of power used by a plurality of pieces of equipment in said data center exceeds said first amount of capacity; determining a set of said plurality of pieces of equipment that are to be throttled to reduce power usage of said pieces of equipment at or below said first amount; and issuing instructions to throttle pieces of equipment in said set, said instructions being issued when said pieces of equipment are operating on utility power and not on UPS power. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method capping power drawn by equipment in a data center, the method comprising:
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determining a first amount of capacity in an Uninterruptable Power Supply (UPS) based on one or more factors; determining that a second amount of power used by a plurality of pieces of equipment in said data center exceeds said first amount of capacity; determining a set of said plurality of pieces of equipment that are to be throttled to reduce power usage of said pieces of equipment to a level at or below said first amount; and while said pieces of equipment are running on power from a utility, and not while said pieces of equipment are running on UPS power, throttling said pieces of equipment in said set to reduce power consumption of said pieces of equipment below said first amount. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A data center comprising:
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a plurality of servers; an Uninterruptable Power Supply (UPS); a connection to a utility power source; and a power capping controller that determines a first amount of capacity in said Uninterruptable Power Supply (UPS) based on one or more factors, that determines that a second amount of power used by a plurality of servers in said data center exceeds said first amount of capacity, that determines a set of said plurality of servers that are to be throttled to reduce power usage of said servers at or below said first amount, and that throttles servers in said set while said servers are running on power from said utility power source and not while said servers are running on power from said Uninterruptable Power Supply (UPS). - View Dependent Claims (17, 18, 19, 20)
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Specification