Blind Mate Sleds for Front-Accessible Server Storage
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Solution Overview
Problem
Server designs face a tradeoff between internal volume for memory and CPUs, limiting options and serviceability due to fixedly mounted internal storage devices, which require partial disassembly for installation and removal, and are not accessible from the front, especially when housed in racks where the door contact prevents USB keys from protruding.
Innovation Solution
A sled-based system that slidably receives a storage device, allowing blind mating with a multipurpose interface of the computing system, enabling front-accessible removable storage without obstructing rack doors, and is compatible with various server types, including blade servers, by using a base mountable to the computing system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If storage devices are fixedly mounted within a server, then internal volume is optimized for memory and CPUs, but serviceability and accessibility are limited requiring partial disassembly
Solution Approach 1:
The storage device is segmented into a fixed base portion mounted within the server and a removable protruding portion that can be accessed independently. This allows the server internal volume to be optimized while maintaining serviceability through front-accessible removal of the storage medium.
Solution Approach 2:
The storage medium is extracted from the fixed mounting and placed on a removable sled that protrudes through the server front. This extraction allows the storage component to be accessed and removed without disassembling the server internal structure.
2Ease of operation
If USB keys protrude from the server front for accessibility, then front-accessible storage is enabled, but rack door closure is prevented due to collision
Solution Approach 1:
The storage device is designed with dynamic positioning capability, allowing it to protrude from the server front when needed for access and retract when not in use. This dynamic movement resolves the conflict between front accessibility and rack door closure by adapting the storage device position to operational requirements.
Data Source
AI summary
An example system in accordance with an aspect of the present disclosure includes a sled to retain a storage device, and a base mountable to a computing system to slidably receive the sled. The storage device is to blind mate with a multipurpose interface of the computing system, based on the sled being slidable on the base between a retracted position and an inserted position.