Lighting Sequences for Hardware Unit Identification in Data Centers
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Solution Overview
Problem
In densely packed data center environments, identifying specific hardware units for maintenance or service is challenging due to the high density of identical or similar components, which can lead to confusion when multiple units are indicated as having issues with existing UID systems like LEDs or LCDs.
Innovation Solution
A lighting controller system that generates specific lighting sequences to direct personnel to the affected hardware unit by correlating coordinates with UID control commands, allowing for simultaneous or sequential activation of visual indicators to pinpoint the issue, using RESTful APIs, CAN bus networks, or CPLDs for control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple hardware units have issues simultaneously, then the UID system indicates all affected units, but this causes confusion and makes it difficult to identify the specific unit requiring immediate attention
Solution Approach 1:
The patent applies periodic action by implementing sequential lighting sequences where UIDs are activated in a specific order over time. The system transitions from static simultaneous illumination to dynamic time-based sequencing, where each UID remains active for a predetermined period before transitioning to the next, enabling clear identification of multiple affected units without confusion
Solution Approach 2:
The system transforms static UID illumination into dynamic, time-varying lighting patterns. The lighting controller adjusts the state of each UID based on its position in the sequence and current time, creating adaptive behavior that responds to the number and distribution of affected units while maintaining clear identification
2Productivity
If UIDs are activated simultaneously for multiple hardware units, then all affected units are indicated, but this makes it difficult for personnel to determine which unit to service first
Solution Approach 1:
The system performs preliminary action by pre-defining lighting sequences that encode priority information before maintenance personnel arrive. The sequential activation pattern is prepared in advance based on the distribution of affected units, so that when personnel observe the lighting sequence, the priority order is already established and immediately actionable
Solution Approach 2:
The system implements feedback by using the observed lighting sequence to guide personnel through the maintenance process in the correct order. As personnel complete servicing of each unit, the system can transition to the next UID in the sequence, providing continuous feedback on which unit should be addressed next based on the predetermined optimal path
3Loss of information
If a lighting sequence is implemented to direct personnel through multiple units, then priority information is provided, but this requires complex coordination of UID activation timing
Solution Approach 1:
The system applies segmentation by dividing the lighting control into independent, manageable segments corresponding to individual UIDs. Each UID can be controlled separately through the sequence, allowing the complex overall task of directing personnel through multiple units to be broken down into simple, discrete activation events that are easier to implement and manage
Solution Approach 2:
The lighting controller implements universality by designing a single sequencing mechanism that can handle any number and distribution of affected units across multiple chassis. The same basic sequencing logic and data structures adapt automatically to different scenarios, from single-unit to multi-unit failures, eliminating the need for specialized control logic for each case
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Effectively identifies and directs attention to the specific hardware unit with issues, reducing confusion and improving maintenance efficiency by creating customizable lighting sequences that are agnostic to the specific hardware units present, ensuring accurate targeting of maintenance efforts.
Implementation Method 1
UIDs may be some form of light source (often a light emitting diode (LED))
Data Source
AI summary
Systems and methods for controlling one or more visual indicators, such as unit identification devices (UIDs), are provided. Control of such visual indicators allows lighting sequences to be displayed vis-à-vis the visual indicators in a data center or similar environment including multiple hardware devices or units, such as server blades in multiple chassis enclosures in a data center. In this way, users such as data center administrators, information technology (IT) personnel, etc. can be alerted to hardware events that impact hardware devices or units, such as hardware faults. The visual indicators can be controlled in such a way that animated lighting sequences can be used to guide users to the hardware devices or units experiencing the hardware event(s).