Shelf-Mounted Modular Computing Unit with Vertical Drives
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Solution Overview
Problem
Computer systems in large-scale computing facilities face inefficiencies due to wasted space in server designs using standard off-the-shelf hard disk drives, leading to inadequate computing or storage capacity and heat management issues, as well as high failure rates of magnetic tape systems in archival and backup systems.
Innovation Solution
The implementation of vertically oriented hard disk drives and circuit board assemblies within computing modules on shelves, allowing for efficient airflow and easy replacement of failed drives, along with the use of shelf modules that can nest for optimal space utilization and cooling within rack systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If standard off-the-shelf hard disk drives are used in servers, then cost effectiveness is improved, but space utilization deteriorates due to substantial wasted space in the server chassis
Solution Approach 1:
The patent transitions from horizontal hard disk drive orientation to vertical orientation, fundamentally changing the dimensional arrangement of storage components. This vertical configuration allows drives to be stacked or arranged in a space-efficient manner within the server chassis, maximizing volume utilization while maintaining compatibility with standard drives
Solution Approach 2:
The server chassis is divided into multiple vertical bays or slots that can accommodate individual hard disk drives. This segmentation allows for modular arrangement of drives, optimizing space usage while maintaining ease of installation and replacement of individual drives without affecting the entire system
2Productivity
If multiple rack-mounted components are positioned within a rack system, then computing capacity is improved, but heat generation worsens to as much as 10 kilowatts per rack system
Solution Approach 1:
The patent extracts the heat management function from the computational components by implementing a dedicated cooling system with separate airflows. The cooling system independently removes heat from hard disk drives and other components, preventing heat accumulation that would otherwise limit computing capacity
Solution Approach 2:
The patent introduces cooling air as an intermediary medium that facilitates heat transfer from hot components to the external environment. Separate cooling airflows act as intermediaries between heat-generating components and the cooling system, enabling efficient heat removal without interfering with computational operations
3Ease of manufacture
If hard disk drives are arranged in conventional configurations, then installation is simplified, but heat removal becomes insufficient requiring substantial heat management
Solution Approach 1:
The vertical orientation of hard disk drives creates additional spatial dimensions for airflow paths. This dimensional change enables cooling air to flow vertically past the drives, improving convective heat removal while maintaining simple installation procedures through standardized vertical mounting interfaces
4Quantity of substance
If magnetic tape systems are used for archival data storage, then storage capacity is improved, but system reliability deteriorates due to high failure rates and susceptibility to environmental conditions
Solution Approach 1:
The patent implements redundant copies of data across multiple hard disk drives within the rack system. Instead of relying on a single magnetic tape system, data is copied and distributed across multiple solid-state or magnetic disk drives, providing fault tolerance and eliminating the reliability issues associated with magnetic tape while maintaining substantial storage capacity
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
This configuration enhances computing capacity, improves heat management, reduces downtime for drive replacements, and optimizes space usage in data centers, while maintaining reliable data storage operations.
Implementation Method 1
Some or all of this heat must be removed from the hard disk drives to maintain continuous operation of a server. The amount of heat generated by the hard disk drives within a data room may be substantial
Data Source
AI summary
A system for performing computing operations includes a rack, one or more shelves coupled to the rack, and two or more computing modules. Each computing module may include a chassis, one or more circuit board assemblies in a primarily vertical orientation, and one or more hard disk drives in a primarily vertical orientation. The circuit board assemblies and the hard disk drives are coupled to the chassis of the computing module.