VSAN Performance on blogs.hareeshkg.com

vSAN Performance 7.0 U3 Whats new?

Mon, 11 Jul 2022 17:18:26 +0000

vSAN 7.0 U3 delivers improved performance with optimisations made to the data path when using RAID-5/6 erasure coding very similar to what was added to vSAN 7.0 U2 Performance enhancements , vSAN 7.0 U3 offers caching capability to the incoming writes who’s workloads are serialised and have sustained high outstanding IOPS, this caching capability for writes reduces significant amount of write amplification by enforcing full stripe writes always in the backend.This feature compliments the feature which was introduced with vSAN 7.0 U2 where the reads for large block sequential IOPS were cached.

vSAN 7.0U2 Performance-Whats New?

Mon, 07 Jun 2021 18:42:36 +0000

In this blog I will go over some of the key benefits with vSAN 7.0U2. I got my hands on a 4 node VxRail Cluster, where I was able to run a few HCIBench tests to compare performance difference between vSAN 7.0 U1 and vSAN 7.0U2. I won’t be able to write a performance comparison between 6.7.x / 7.0x and vSAN 7.0 U1 as there is a white paper published by Dell-EMC for vSAN 7.0U1 see VxRAIL-7.0.100-Performance-White-Paper.

How Storage Policy affects performance on vSAN?

Thu, 30 May 2019 17:40:02 +0000

In this guide we will be looking at how we can use different storage policy on vSAN datastore to fine tune performance for the virtual machines running on a vSAN Datastore . We will look at different tools which can be run from the guest level and also few tests run with HCIBench .

Before you start reading thru this blog I highly encourage you to check out “Achieve-Best-Performance-on-vSAN” to get any understanding vSAN performance benchmark tool called HCIBench.

Whats new with HCIBench 2.0?

Tue, 21 May 2019 14:22:15 +0000

We all know that there is a newer version of HCIBench 2.0 which was announced last month I was able to deploy and run this on one of the All-Flash Clusters , all new changes significantly seemed to have improved user experiences from the previous version . I request you to go thru “Detailed Guide for HCIBench-1.6x ” if you are looking for steps to deploy and configure HCIBench . Also better understanding the use case for HCIBench see : How to Achieve Best Performance Using HCIBench .

How to use HCIBench and achieve Best performance on vSAN ?

Sun, 17 Feb 2019 05:19:45 +0000

Here is a detailed guide on how we may approach ways to optimize a vSAN cluster to deliver best performance on a cluster and find your answers to your questions.

How do we assess vSAN performance ?

What can I expect from a specific hardware?

How best can we tweak vSAN clusters to achieve best performance ?

What are the tools which we can use to use to benchmark vSAN performance ?

I highly encourage you to go thru the guide for Deployment Guide for HCIBench before you read this blog about running HCIBench Tests .

Why and How to Deploy vSAN HCI Bench for vSAN?

Fri, 05 Jan 2018 09:03:23 +0000

After you setup a new vSAN/VxRAIL/VxRACK HCI deployment , you will definitely need to benchmark your cluster before moving it to production . Here is your small guide to “vSAN Performance Benchmark” using a famous useful tool called HCI Bench which is freely available on VMware Labs website .

You may be wondering what is the recommended and correct way to test the performance and review performance on a hyper-converged infrastructure .

If you have not gone thru my previous posts about understanding-vm-storage-policies and understanding-vsan-component-placement-sizing I highly encourage you to go thru that topic which will give you a deep insight on how components are created , placed and how we can view them .