Data Center Device Mapping Using PDU Power Drop Detection
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Solution Overview
Problem
Managing large numbers of computing devices in data centers is challenging due to component failures, device misplacement, and inaccurate power-based billing, as existing manual techniques like asset tags and network port mapping are time-consuming and prone to errors, especially in facilities with wireless networking.
Innovation Solution
A system that monitors power draw from network-enabled devices connected to power distribution units, using low power instructions to map devices to outlets by detecting power drops, and periodically power-cycling devices to create an accurate location map.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual techniques like asset tags and network port mapping are used to identify device locations, then device identification can be performed, but the process is time-consuming and prone to errors
Solution Approach 1:
The patent replaces manual mechanical auditing processes with an automated electrical detection system. The system uses a detection device to automatically detect device locations by monitoring electrical signals or power consumption patterns, eliminating the need for manual visual inspection and data entry. This substitution of mechanical manual work with automated electrical detection resolves the contradiction by dramatically reducing auditing time while maintaining or improving identification accuracy.
Solution Approach 2:
The system enables devices to self-identify their locations through their inherent electrical characteristics. By monitoring power consumption patterns, network signals, or other electrical signatures emitted by devices themselves, the system allows devices to effectively identify their own locations without external manual intervention. This self-service approach eliminates time-consuming manual auditing while ensuring accurate device location identification.
2Reliability
If manual auditing processes are used to track device locations, then device positions can be recorded, but mistakes occur during device swaps and misplacements
Solution Approach 1:
The patent replaces error-prone manual tracking processes with automated electrical detection. The detection device continuously monitors electrical signals to automatically track device locations, eliminating human errors during device swaps and misplacements. This automation resolves the contradiction by improving reliability through consistent electrical measurement while reducing the complexity of manual tracking procedures.
Solution Approach 2:
The system implements continuous feedback monitoring of electrical signals from devices to verify their locations in real-time. When devices are moved or swapped, the system automatically detects changes in electrical consumption patterns or signal characteristics and updates location records accordingly. This feedback mechanism ensures high reliability in device location tracking without requiring complex manual verification procedures.
3Adaptability or versatility
If network port mapping is used to locate devices, then device positions can be identified, but the method becomes meaningless in wireless networking environments
Solution Approach 1:
The patent employs a universal detection method based on electrical signal monitoring that works across multiple network architectures including both wired and wireless environments. The detection device monitors electrical characteristics such as power consumption, signal strength, or electromagnetic emissions that are common to all networked devices regardless of connection type. This universal approach resolves the contradiction by maintaining adaptability to different network architectures while preserving precise device location identification capability.
Solution Approach 2:
The system changes the detection parameter from network port physical connectivity to electrical signal characteristics such as power consumption patterns, electromagnetic radiation, or signal strength. These electrical parameters remain valid and measurable whether devices are connected via wired or wireless networks, enabling the system to adapt to wireless networking environments while maintaining accurate device location identification through consistent electrical measurement principles.
Data Source
AI summary
System and methods for managing large numbers of network-enabled devices such as computing devices in a facility such as a data center are disclosed. A management application selects and instructs one of the devices to enter a low power state. The power draw from outlets in a power distribution unit supplying the devices are monitored, and an outlet that is detected as dropping below a predetermined threshold of power usage is then mapped to the selected device. This process is repeated for other devices. This permits the power outlet and device associate to be automatically verified to ensure accurate device location identification and power-based billing for the devices in a facility.