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Harnessing the Performance of Dell EMC VxRail 7.0.100—A Lab-Based Performance Analysis
Introduction Test results
Introduction
Conclusion #1: vSAN is significantly faster
Conclusion #2: Moving to RAID 5 provides significant benefits
Conclusion #3: vSAN compression-only is nearly penalty-free
Conclusion #4: vSAN 7.0 U1 provides faster drive rebuild times
Conclusion #5: NVMe cache drives provide maximum storage performance
Summary References Appendix: Test team, setup, and methodology

Introduction

Introduction

  • Our tests with vSAN 7.0 U1 on the VxRail platform showed significant performance gains, which, in turn, can result in simplified operations, faster host restarts, and the potential for cost savings.

    Analysis of the test results led us to the following primary conclusions:

    • vSAN is significantly faster.
    • Moving to RAID 5 provides significant benefits.
    • vSAN compression-only is nearly penalty-free.
    • vSAN 7.0 U1 provides faster drive rebuild times.
    • NVMe cache drives provide maximum storage performance.