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. […]
CPU
vSphere 5 licensing with vRAM isn’t that bad at all
I bet you all heard about the big news yesterday where VMware announced vSphere 5. Despite a lot of applauding for the great new features, there also a lot of noise on twitter about the new licensing for vSphere. VMware has decided to move to vRAM licensing without any maximums on the amount of RAM […]
VMware vCenter 4.1 GUI issue on shares
When checking a customers environment, I discovered a strange GUI issue in vCenter regarding CPU shares for a VM. I usually use a PowerShell script to check if the customer has set any limits, reservations or changed the default shares settings. With this customer I received a number of warnings about shares. I received the […]
List of VMware FT (Fault Tolerant) compatible CPUs
With VMware vSphere there is a new exiting function called VMware Fault Tolerant or VMware FT. With VMware FT you can protect a VM against failure by running this VM in lockstep with an exact copy on a different host. Every interrupt in the source VM is immediately replicated to the destination VM, which is […]