Power Supply Disturbance Detection in Datacenters
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Solution Overview
Problem
Existing systems fail to effectively diagnose and address intermittent or difficult-to-reproduce electrical power disturbances in datacenter environments, as they often require reproduction of the disturbances to identify the cause and implement remedies.
Innovation Solution
An electrical power disturbance monitoring system that includes hardware processors in power supplies and monitoring devices, which detect disturbances, track locations, classify events as utility or hardware issues, and communicate indications to facilitate appropriate remedial actions without needing to reproduce the disturbances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing diagnostic systems are used to identify electrical power disturbances, then the system structure remains simple, but the ability to diagnose intermittent or difficult-to-reproduce disturbances is insufficient
Solution Approach 1:
The system divides the datacenter into multiple zones with power supplies distributed throughout, each independently detecting disturbances. This segmentation allows localized diagnosis without requiring a centralized complex system, enabling reliable detection of intermittent disturbances while maintaining manageable system complexity through modular deployment
Solution Approach 2:
Power supplies continuously monitor and detect electrical disturbances in real-time, recording location and characteristics before remedial action is needed. This preliminary detection capability allows the system to identify intermittent disturbances on first occurrence without requiring reproduction, improving diagnosis reliability while keeping the monitoring function integrated into existing power supply hardware
2Measurement precision
If power supplies continuously monitor and report disturbances to a central system, then diagnosis accuracy improves, but communication overhead and system complexity increase
Solution Approach 1:
The system extracts only the essential disturbance information (location, type, timestamp) from power supply measurements and transmits only this condensed data to the monitoring system. This extraction approach maintains high measurement precision for disturbance detection while minimizing communication overhead by eliminating redundant information transmission
Solution Approach 2:
Each power supply independently performs disturbance detection and characterization, using its own measurement capabilities to identify and report issues. This self-service approach reduces communication overhead because each unit autonomously processes raw measurements locally before reporting, minimizing the information that needs to be transmitted while maintaining accurate disturbance identification
3Reliability
If the system waits to reproduce disturbances before diagnosing them, then diagnostic thoroughness may improve, but response time and productivity decrease
Solution Approach 1:
The monitoring system receives and stores disturbance information as soon as it is detected by power supplies, without waiting for reproduction or manual reporting. This preliminary capture of disturbance data enables immediate diagnosis and rapid initiation of remedial actions, significantly improving productivity while maintaining reliable diagnosis through continuous monitoring capabilities
Solution Approach 2:
The system establishes a continuous feedback loop where power supplies report disturbances in real-time, the monitoring system immediately analyzes the information, and remedial actions are triggered without delay. This feedback mechanism eliminates the need to wait for disturbance reproduction, enabling both accurate diagnosis and rapid response to improve overall system productivity
Data Source
AI summary
A computing device includes a power supply that supplies power to the computing device. The power supply includes a hardware processor that detects an electrical power disturbance in the power supply. The power supply also includes a bus that communicates an indication of the electrical power disturbance to a monitoring device. The indication includes an identifier of the power supply.