Front-Access Rack Layout for Dense Blind-Docked Compute Modules
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Solution Overview
Problem
Current data center rack systems face challenges in efficiently utilizing space while maintaining thermal management and configurational flexibility, often overloading cooling systems and complicating component reconfiguration.
Innovation Solution
A rack system with blind docking capabilities for multiple chassis and modules, including compute modules, expansion modules, and a network switch, allowing for flexible configuration and efficient power management, with a larger heat exchanger for robust cooling and reduced thermal load on the air conditioning system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If rack systems increase processing density by utilizing more components per rack, then space efficiency is improved, but thermal management becomes overloaded and cooling systems are overburdened
Solution Approach 1:
The rack system is divided into multiple chassis bays, each capable of independently receiving and supporting chassis with module bays. This segmentation allows distributed thermal management where each chassis can be cooled independently through its own fans and heat exchangers, preventing thermal overload on a single cooling system while maximizing processing density across the entire rack.
Solution Approach 2:
The system employs nested modular architecture where compute modules and expansion modules are inserted within chassis, which are in turn placed within chassis bays in the rack. This nested structure enables compact space utilization while maintaining independent thermal management at each module level, allowing high processing density without proportionally increasing thermal load on central cooling systems.
2Productivity
If rack systems utilize standardized components to increase density, then space efficiency is improved, but configuration and reconfiguration of components becomes more complex
Solution Approach 1:
The chassis and module bays are designed with universal interfaces that accept standardized compute modules, expansion modules, and storage devices. The blind docking mechanism provides universal electrical and mechanical connectivity, allowing any compatible module to be installed in any module bay without complex configuration procedures, thus maintaining high density while simplifying reconfiguration.
Solution Approach 2:
The rack system pre-configures chassis bays and module bays with aligned docking interfaces and electrical connections before component installation. This preliminary arrangement of receptacles and alignment features eliminates the need for complex manual configuration during deployment, allowing standardized components to be rapidly installed and repositioned while maintaining space efficiency.
3Ease of repair
If rack systems provide front access for maintenance, then ease of repair is improved, but space for components is reduced
Solution Approach 1:
The rack is segmented into multiple chassis bays arranged in columns, with each bay providing independent front access for maintenance. This segmentation allows maintenance personnel to access specific chassis and modules at the front without requiring extensive space in front of the entire rack, while still providing adequate component installation space within each segmented bay.
Solution Approach 2:
The system transitions from a single-depth rack design to a multi-column configuration where chassis bays are arranged in multiple columns. This dimensional change allows front access for maintenance on one column while components in other columns remain accessible, effectively decoupling maintenance access requirements from component installation space requirements.
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
The system increases processing density without overloading existing cooling systems, allows for flexible reconfiguration, and reduces the thermal load on air conditioning systems, enabling more efficient use of space and improved maintenance access.
Implementation Method 1
enhanced cooling through a larger heat exchanger that circulates chilled water
Data Source
AI summary
A system for receiving and supporting a plurality of devices connected to a network. The system comprises a rack having a front side providing access to a plurality of chassis bays for receiving a chassis and aligning a back end of the chassis for blind docking with an electrical power source. The chassis includes a power supply, a fan, and a front side providing access to a plurality of module bays for receiving a module and aligning a back end of the module for blind docking with the power supply. A compute module is received in a module bay and directly blind docked to the power supply. The system further includes at least one other module received in a module bay within the same chassis as the compute module and directly blind docked with the same power supply along with the compute module. The at least one other module is interchangeably selected from the group consisting of a second compute module and an expansion module, wherein the one or more components of the expansion module are controlled by the motherboard of the compute module within the same chassis.