You find yourself sitting at your desk on a Saturday morning waiting for the cloning of a VM to finish. It seems to take forever and I just wished I could run VSAN in my homelab to get some more speed out of my kit. I have tried to run VSAN on my home mode […]
performance
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. […]
VKernel interview at Dutch VMUG
At the Dutch VMUG on December 9th, 2011 I was asked to do a little interview with Alex Rosemblat from VKernel. We spoke about the presentation I did at the VMUG in which I talked about my VMware vSphere Health Check. See the pages about the Health Check in the top menu bar. Also check […]
Performance test of Iomega StorCenter PX4-300R
End of 2009, beginning of 2010 I put an Iomega StorCenter IX4 to the test and published the results in these two blogposts: Putting your storage to the test – Part 1 iSCSI on Iomega StorCenter IX4-200D and part 2. Recently Iomega sent me their new StorCenter PX4-300R for testing purpose and I was happy […]
[Wishlist] datastore maintenance and categories
Just a short post on some thoughts I had on improvements for VMware vSphere when I wanted to delete a datastore holding 10 VMs. Wouldn’t it be great to be able to put a datastore in maintenance mode like you can with an ESX host. When the datastore is set into maintenance mode, vCenter would […]