1103 - 产品路线图+性能；存储虚拟化 - 性能技巧和窍门以及最重要的产品路线图（一览无余）.pdf

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1、Orlando,FLOctober 69IBM TechXchange 2025Session code 1103 Barry Whyte Principal Storage Technical Specialist IBM Master Inventor Nezih Boyacioglu Technical Solutions Director Istanbul Pazarlana A.S.Storage Virtualize Roadmap&Performance Tips&TricksIBM TechXchange|2025 IBM CorporationAgenda01 02 03 0

2、4 05Performance Tips&Tricks Workload Specific Tuning Linux LVM VMware Tuning Product Roadmap2IBM TechXchange|2025 IBM CorporationLinux and AIXWorkloadsSAP HANA Large sequential writes-Mixed Workload-Mixed-Bandwidth hungry Read/WriteOLAP Large sequential reads-Analytical-Complex queries-Historical Da

3、ta-Read Intensive-SequentialOLTP Low latency,high IOPS.-Transactional-Simple queries-Current data-Read/Write-Random IO 3IBM TechXchange|2025 IBM CorporationLinear vs Striped LVM4IBM TechXchange|2025 IBM CorporationLinear vs StripedStripe Size RecommendationPerformance Comparison5IBM TechXchange|2025

4、 IBM Corporation6IBM TechXchange/2024 IBM CorporationMultipath Path Selection Policy on VMwareFIXED This policy uses a designated preferred path to access the storage device.If the preferred path becomes unavailable,ESXi switches to an alternative path.Once the preferred path is restored,ESXi will s

5、witch back to it.This policy is suitable when a specific path is known to be more efficient.MRU With the MRU policy,ESXi uses the path that was most recently active.If this path becomes unavailable,ESXi selects another path.It does not revert back to the original path if it becomes available again u

6、nless all other paths fail.Round Robin IOPS This policy cycles through all available paths,distributing the I/O load evenly across them.This can enhance performance by utilizing all paths concurrently.The Round Robin policy is often used for active-active storage arrays where all paths are equally c