Modular Electronics Module for Data Storage Enclosure
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Solution Overview
Problem
Existing data storage device enclosures face challenges in maximizing storage density while ensuring redundancy, easy device swapping, and adequate cooling, often resulting in limited accessibility and reliability of storage devices.
Innovation Solution
The implementation of an electronics module with dual communication paths for storage devices, allowing them to be connected to a controller within the module and externally, enabling dual-path access and redundancy, along with hot-swappable capabilities and efficient airflow for cooling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If storage devices are densely packed in the enclosure to maximize storage capacity, then storage density is improved, but accessibility and ease of removal of storage devices deteriorates
Solution Approach 1:
The enclosure is divided into multiple bays, with each bay being a separate modular unit capable of holding storage devices. This segmentation allows individual bays to be accessed and operated independently, improving accessibility while maintaining high storage density through compact bay design.
Solution Approach 2:
A midplane is introduced as an intermediary component that provides communication pathways between storage devices in bays and the controller. This midplane enables hot-swappable connectivity, allowing storage devices to be removed and replaced without disrupting the entire enclosure operation, thus improving accessibility while maintaining dense packing.
2Reliability
If redundancy is implemented to maintain data access during component failure, then reliability is improved, but device complexity increases
Solution Approach 1:
Multiple bays are combined into a single modular electronics module that can be inserted into the enclosure as one unit. This merging approach provides redundancy at the module level while simplifying the overall structure compared to implementing individual redundancy for each storage device, thus improving reliability without excessive complexity.
Solution Approach 2:
The electronics module with integrated bays is designed to be universally applicable and hot-swappable within the enclosure. This multi-functional design allows the same module structure to provide both storage capacity and redundancy, reducing overall system complexity while maintaining high reliability.
3Temperature
If cooling airflow is provided through the enclosure to prevent overheating, then temperature control is improved, but device complexity increases
Solution Approach 1:
Cooling airflow is directed locally through each bay and electronics module rather than requiring a complex global cooling system. The modular bay design allows airflow to be managed at the local level, improving temperature control efficiency while reducing overall enclosure complexity.
Data Source
AI summary
An electronics module for a data storage device enclosure, and, data storage device enclosures. The module comprises an enclosure connector for connecting to the enclosure, at least one bay constructed and arranged to receive a data storage device, and a controller arranged to selectively provide access to storage devices to which it is connected. The module has a communications path between the controller and the enclosure connector by which the controller can communicate with storage devices in the enclosure. The module also has a first communications path to the data storage device when received in the bay by which the controller can communicate with that data storage device. The module also has a second communications path to the data storage device when received in the bay by which that data storage device can be accessed from outside the module.