Storage Management Device Bandwidth Allocation Optimization
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Solution Overview
Problem
Conventional storage management systems face complexity in adjusting performance due to conflicts in data transfer across shared transmission paths, leading to difficulties in optimizing bandwidth allocation across resources like RAID groups, processing processors, and ports, which hampers efficient data transfer performance.
Innovation Solution
A storage management device and method that employs an operation management server to monitor and adjust bandwidth by identifying resource bottlenecks and optimizing bandwidth allocation across volumes sharing common resources, ensuring target response times are met by dynamically expanding or reducing bandwidth based on measured performance metrics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bandwidth limit width is adjusted by administrator instruction, then storage system performance is controlled, but system complexity and operation difficulty increase
Solution Approach 1:
The storage system automatically monitors its own performance metrics, identifies bandwidth conflicts, and adjusts bandwidth allocation without administrator intervention. The system performs self-diagnosis and self-optimization by detecting when volumes share transmission paths and automatically resolving conflicts.
Solution Approach 2:
The system continuously monitors performance metrics such as response time and throughput, uses this feedback to detect bandwidth conflicts, and automatically adjusts bandwidth allocation. The closed-loop control ensures performance targets are maintained through real-time monitoring and adaptive adjustment.
2Reliability
If bandwidth is reduced for conflicting volumes, then data transfer conflicts decrease, but overall data transfer efficiency and productivity are hampered
Solution Approach 1:
The system dynamically adjusts bandwidth allocation based on real-time performance conditions and volume priorities. Instead of static bandwidth limits, the system flexibly modifies bandwidth allocation to resolve conflicts while maintaining optimal throughput for high-priority volumes and acceptable throughput for lower-priority volumes.
Solution Approach 2:
The system applies different bandwidth adjustment strategies to different volumes based on their specific priorities and performance requirements. High-priority volumes receive bandwidth guarantees while lower-priority volumes have their bandwidth reduced, creating localized quality differences in bandwidth allocation across the system.
3Adaptability or versatility
If multiple volumes share transmission paths, then resource utilization increases, but data transfer conflicts increase and performance optimization becomes difficult
Solution Approach 1:
The system monitors performance metrics from shared transmission paths and uses this feedback to automatically detect and resolve bandwidth conflicts. The continuous monitoring and adaptive adjustment simplify conflict management despite multiple volumes sharing resources.
Solution Approach 2:
The storage system automatically identifies when volumes share transmission paths and resolves conflicts without administrator intervention. The self-managing system handles the complexity of conflict resolution across shared resources autonomously.
Data Source
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AI summary
An operation management server (1) that manages a storage apparatus (2) in which volumes (232) are included and data is sent and received via transmission resources is provided. The operation management server (1) includes a setting unit (101) that sets a target value of the performance to some or all of the volumes (232); a monitoring unit (103) that monitors the load factor of the transmission resources; and a bandwidth management unit (102) that specifies a target transmission resource on the basis of the load factor of the transmission resources, that decides, on the basis of the target value (232), bandwidth allocation of some of the volumes (232) that use the specified transmission resource, and that instructs a bandwidth control unit (252) in the storage apparatus (2) to adjust the bandwidth on the basis of the decided bandwidth allocation.