Integrated Enclosure for Storage Drives and Application Servers
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Solution Overview
Problem
Conventional network storage systems are inefficient in terms of space usage, as they require separate enclosures for application servers and storage controllers, leading to increased rack unit occupancy and reduced space for processing power.
Innovation Solution
Integrating Application Server Nodes (ASNs) and Expansion Service Modules (ESMs) into the same enclosure, with storage controllers in separate enclosures, utilizing expansion ports for communication, and employing high availability pairs and dense servers to optimize space and processing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If application servers and storage controllers are placed in separate enclosures, then system reliability and modularity are improved, but rack space occupancy increases and space efficiency deteriorates
Solution Approach 1:
The patent merges the application server node and expansion service module into a single enclosure, eliminating the need for separate enclosures for these components. This consolidation reduces rack space occupancy while maintaining the functional separation and reliability benefits through modular internal architecture and communication links between the integrated components.
2Ease of operation
If application servers and storage controllers are placed in separate enclosures, then system modularity and ease of maintenance are improved, but space efficiency and processing power density deteriorate
Solution Approach 1:
The patent combines application server and storage controller functions into a single enclosure while preserving modularity through distinct functional modules. This allows for easier maintenance of individual components while increasing processing power density by eliminating empty space between separate enclosures.
Solution Approach 2:
The integrated enclosure is further segmented into distinct functional modules (application server node, expansion service module, storage controller) that can be independently maintained and replaced. This segmentation maintains ease of operation while achieving space efficiency.
3Area of stationary object
If more storage drives are added to increase density, then space utilization is improved, but system complexity and configuration difficulty deteriorate
Solution Approach 1:
The expansion service module provides universal connectivity through multiple expansion ports that can interface with different storage drive types and configurations. This multi-functional interface simplifies system configuration while maximizing space utilization by accommodating varying storage densities and configurations.
Data Source
AI summary
A system including a first array of storage drives in communication with a storage controller, the storage controller providing virtualized storage with the first array of storage drives; an application server running a storage warehouse application and communicatively coupled to a host device and the storage controller; and a communication port expander providing expansion slots to a first enclosure, wherein the first array of storage drives, the application server, and the communication port expander are contained in the first enclosure separate from the controller, further wherein the controller controls the first array of storage drives and is in communication with the first array of storage drives through the communication port expander.