How to find the NUMA locality of a VM with Powershell
performance
CloudPhysics for your permanent health check
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. […]
How too many vCPUs can negatively affect performance
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. […]
VMware vSphere Health Check
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 […]
Free vScope Explorer from VKernel
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 […]