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Monthly Archives: December 2018

vSAN Performance Diagnostics Now Shows “Specific Issues and Recommendations” for HCIBench

By Amitabha Banerjee and Abhishek Srivastava

The vSAN Performance Diagnostics feature, which helps customers to optimize their benchmarks or their vSAN configurations to achieve the best possible performance, was first introduced in vSphere 6.5 U1. vSAN Performance Diagnostics is a “cloud connected” feature and requires participation in the VMware Customer Experience Improvement Program (CEIP). Performance metrics and data are collected from the vSAN cluster and are sent to the VMware Cloud. The data is analyzed and the results are sent back for display in the vCenter Client. These results are shown as performance issues, where each issue includes a problem with its description and a link to a KB article.

In this blog, we describe how vSAN Performance Diagnostics can be used with HCIBench and show the new feature in vSphere 6.7 U1 that provides HCIBench specific issues and recommendations.

What is HCIBench?

HCIBench (Hyper-converged Infrastructure Benchmark) is a standard benchmark that vSAN customers can use to evaluate the performance of their vSAN systems. HCIBench is an automation wrapper around the popular and proven VDbench open source benchmark tool that makes it easier to automate testing across an HCI cluster. HCIBench, available as a fling, simplifies and accelerates customer performance testing in a consistent and controlled way.

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