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performance

Find VM NUMA locality with PowerShell

25 March, 202126 March, 2021 Gabrie van Zanten 1 Comment performance, VMware

How to find the NUMA locality of a VM with Powershell

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CloudPhysics for your permanent health check

20 August, 201220 August, 2012 Gabrie van Zanten performance, VMware

A few weeks ago I first saw some mention of CloudPhysics by Duncan on Yellow-Bricks. Duncan’s blogpost describes pretty well what CloudPhysics does (so read it), but in short: CloudPhysics will collect data from your vCenter, upload that data to the CloudPhysics servers and analyse that data and and give you insights and key take-aways. […]

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How too many vCPUs can negatively affect performance

4 May, 201216 May, 2012 Gabrie van Zanten 50 Comments esxi, performance, VMware

Customer with small vSphere environment of just two hosts had performance issues and they asked me to investigate the situation. When looking at the technical specs at first glance, you would suspect that this configuration should work. With just two hosts, each dual Quad core CPU, the enivornment had a total of 16 CPU cores. […]

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VMware vSphere Health Check

2 January, 20122 January, 2012 Gabrie van Zanten performance, PowerShell, scripting, Security

At the Dutch VMUG event 2011 I gave a presentation on how to check your VMware environment to make sure it is healthy. When creating the presentation I had a lot of doubts because I was afraid everyone would think these points were very obvious. But on the other hand, when visiting customers and doing […]

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Free vScope Explorer from VKernel

20 October, 201120 October, 2011 Gabrie van Zanten Gestalt, performance, VMware

Today I visited the VKernel stand where I met Bryan Semple. He had some great news. Next week VKernel will release a new free tool called the VKernel vScope Explorer which will be great for every vSphere admin. It will give you the ability to show any problems in your environment for up to 8000 […]

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  • PowerShell to read vCloud Edge Gateway 18 January, 2023
  • Auto deploy – host register error 11 June, 2021
  • Find VM NUMA locality with PowerShell 25 March, 2021
  • Same EVC level, still no VMotion 15 November, 2019
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