Rotatable Drive Bay for Rack-Mounted Server Disk Density
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Solution Overview
Problem
Rack-mounted servers have limited disk capacity and density due to the fixed nature of their drive bays, which restricts the number of disks that can be accommodated, failing to meet increasing storage demands.
Innovation Solution
Incorporating a rotatable second drive bay outside a fixed first drive bay, allowing for increased disk capacity and density without significantly increasing the server's depth, with the second bay capable of rotating 90 degrees and being fixed using a latch or U-shaped opening, enabling disks to be inserted and extracted from either bay without disrupting operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a fixed drive bay configuration is used, then the server structure is simple and stable, but the disk capacity and density are limited
Solution Approach 1:
The second drive bay is designed to be rotatable relative to the first drive bay, transitioning from a static fixed configuration to a dynamic adjustable structure. This allows the drive bays to change their relative positioning, enabling the server to accommodate more disks (doubling from 24 to 48 disks) while maintaining structural stability during operation through the latch mechanism.
Solution Approach 2:
The patent introduces a rotational degree of freedom between the first and second drive bays, adding a new dimensional aspect to the previously planar fixed structure. By allowing the second drive bay to rotate about the first drive bay, the system utilizes spatial reconfiguration to increase disk capacity without proportionally increasing the server's external dimensions.
2Quantity of substance
If a rotatable second drive bay is added to increase disk capacity, then storage density is enhanced, but the device structure becomes more complex
Solution Approach 1:
The drive bay system is segmented into a fixed first drive bay and a rotatable second drive bay, each with their own drive slots and backplates. This segmentation allows independent optimization of each bay's function while the rotational connection between them enables increased overall capacity. The latch mechanism further segments the system by providing independent locking capability for the second drive bay.
Solution Approach 2:
Both drive bays are designed with identical drive slots and connection interfaces, making them universally compatible with the same types of disks. The second drive bay serves multiple functions: it can be positioned in different orientations, locked in place for operation, and rotated to expose drive slots for disk insertion/extraction, thereby achieving multi-functionality that increases disk density without requiring fundamentally different components.
3Ease of operation
If the second drive bay is made rotatable to expose drive slots, then disk insertion and extraction is facilitated, but the structural stability may be compromised
Solution Approach 1:
The latch mechanism is designed to prevent unintended rotation or movement of the second drive bay during normal operation. By providing a preliminary locking action that secures the second drive bay in its operational position, the system counteracts any forces that might compromise structural stability, while still allowing intentional rotation when disk insertion or extraction is required.
Data Source
AI summary
Embodiments of the present disclosure provide a rack-mounted server. The rack-mounted server comprises a first drive bay and a second drive bay, the first drive bay and the second drive bay include a plurality of drive slots respectively, and the second drive bay is disposed outside of the first drive bay and rotatable about the first drive bay. By adding a rotatable drive bay, embodiments of the present disclosure enable the rack-mounted server to accommodate more disks than the traditional server, thereby effectively increasing capacity and density of disks in the rack-mounted server.