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A system and method for determining power supply requirements for a plurality of servers in an information network that includes a system management bus coupled to provide information on power being utilized by the servers during operation. The information from the system management bus is provided

A system and method for determining power supply requirements for a plurality of servers in an information network that includes a system management bus coupled to provide information on power being utilized by the servers during operation. The information from the system management bus is provided to program instructions that provide power usage values indicative of the power being utilized by the servers, determine the maximum value of the power usage values, and determine power supply requirements based on the maximum power usage. The power supply requirements include operating power and/or redundant power requirements. A warning signal is generated if adequate power is not available to the servers.

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1. A system for determining power supply requirements for a plurality of servers in an information network, the system comprising:a system management bus coupled to provide information on power being utilized by the servers during operation;first program instructions to provide sampled power usage v

1. A system for determining power supply requirements for a plurality of servers in an information network, the system comprising:a system management bus coupled to provide information on power being utilized by the servers during operation;first program instructions to provide sampled power usage values indicative of the power being utilized by the servers, the power usage values being sampled at a rate based on the criticality of server availability;second program instructions to determine the maximum power usage from the power usage values; andthird program instructions to determine power supply requirements based on the maximum power usage. 2. The system of claim 1, further comprising:fourth program instructions to generate a warning signal if adequate power is not available to the servers. 3. The system of claim 1, further comprising:change detection program instructions to detect changes in hardware components in the servers. 4. The system of claim 1, further comprising:averaging program instructions to generate a running average of the power usage values. 5. The system of claim 1, further comprising:fourth program instructions to determine redundant power supply requirements based on the maximum power usage. 6. The system of claim 1, further comprising:change detection program instructions to detect changes in hardware components in the servers; andfourth program instructions to determine power supply requirements when changes are made in the hardware components. 7. The system of claim 1, further comprising:change detection program instructions to detect changes in hardware components in the servers; andfourth program instructions to determine redundant power supply requirements when changes are made in the hardware components. 8. The system of claim 1, further comprising:change detection program instructions to detect changes in hardware components in the servers; andaveraging program instructions to generate a new running average of the power usage values when a change in the hardware components is detected in the servers. 9. A method for determining power supply requirements for a plurality of servers in an information network, the method comprising:coupling a system management bus to provide information on power being utilized by the servers during operation;generating sampled power usage values indicative of the power being utilized by the servers, the power usage values being sampled at a rate based on the criticality of server availability;determining the maximum power usage from the power usage values; anddetermining power supply requirements based on the maximum power usage. 10. The method of claim 9, further comprising:generating a warning signal if adequate power is not available to the servers. 11. The method of claim 9, further comprising:detecting changes in hardware components in the servers. 12. The method of claim 9, further comprising:generating a running average of the power usage values. 13. The method of claim 9, further comprising:determining redundant power supply requirements based on the maximum power usage. 14. The method of claim 9, further comprising:detecting changes in hardware components in the servers; anddetermining power supply requirements when changes are made in the hardware components. 15. The method of claim 9, further comprising:detecting changes in hardware components in the servers; anddetermining redundant power supply requirements when changes are made in the hardware components. 16. The method of claim 9, further comprising:detecting changes in hardware components in the servers; andgenerating a new running average of the power usage values when a change in the hardware components is detected in the servers.