Blade Server Rear Board Hard Disk Relocation for Thermal Management
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Solution Overview
Problem
Conventional blade servers with ATCA structure face challenges in effectively dissipating heat due to limited space, which restricts the use of superpower CPUs and compromises performance and reliability.
Innovation Solution
The rear board of the blade server is extended to accommodate two hard disks, allowing them to be connected via a standard ATCA interface, freeing up space on the front board for improved heat dissipation and supporting the use of superpower CPUs, while maintaining compatibility with diverse subracks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If hard disks are arranged on the front board according to ATCA standard, then the board structure meets standard specifications, but the space for CPU heat dissipation is severely limited
Solution Approach 1:
The blade server board is divided into front board and rear board, with hard disks relocated to the rear board. This segmentation allows the front board to focus on CPU and heat dissipation while the rear board handles storage, resolving the space conflict between standard compliance and thermal management
Solution Approach 2:
Hard disks are moved from the traditional front board location to the rear board, utilizing the depth dimension of the blade server structure. This dimensional relocation frees up critical front board space for improved heat dissipation while maintaining ATCA standard compatibility through proper connector placement
2Power
If CPU power consumption is increased to improve performance, then processing capability is enhanced, but heat dissipation becomes insufficient with limited space
Solution Approach 1:
Hard disks are extracted from the front board and relocated to the rear board, removing the thermal and spatial obstruction to CPU heat dissipation. This extraction enables higher CPU power consumption levels by clearing the path for effective thermal management
Solution Approach 2:
The ATCA standard connector interface is copied to the rear board, allowing hard disks to be connected in their new location without compromising standard compatibility. This interface replication enables functional equivalence while achieving improved thermal characteristics
3Area of stationary object
If the board structure is made compact to save space, then space utilization is improved, but heat dissipation ability deteriorates
Solution Approach 1:
The compact blade server structure is segmented into functional zones: front board for CPU and heat dissipation, rear board for hard disks. This segmentation maintains overall compactness while creating dedicated thermal management space, resolving the contradiction between space efficiency and heat dissipation
Data Source
AI summary
A rear board of a blade server, a blade server and a subrack are provided. The blade server includes a front board and a back board, the rear board includes a standard ATCA interface, and the rear board is connected to the front board by the standard ATCA interface. The blade server also includes a connector configured to connect hard disks which is set on the rear board, and a portion of the rear board on which the connector is set is extended outward so as to accommodate at least two hard disks, and the at least two hard disks are connected to the connector. The blade server increases the ability of the heat dissipation ability of the front board, and the rear board supports data backup between the two hard disks and hot plug.