** Disclaimer: I am a VMware employee ** ** I am not affiliated with Dell, just picked them as their website is straight forward ** About a year ago I wrote an article about scaling up. I have been receiving multiple requests to update this article as with vRAM many seem to be under the impression that the world has [...]

I had a question this week from one of my colleagues which had me dazzled for a while. A customer had an HA enabled cluster and used “Host Failures Cluster Tolerates” as the admission control policy. As you hopefully all know it uses a slot algorithm, in short: HA uses the highest CPU reservation of any given VM and the [...]

On twitter today Duco asked a question if it was possible to suppress the local/remote shell warning. I knew it was possible so I dug it up. This is the warning Duco is referring to for those who are not familiar with it: “SSH for the host has been enabled”. I guess the “exclamation” mark on your host kind of [...]

I was testing VM Monitoring and needed to trigger a Blue Screen of Death. Unfortunately the “CrashOnCtrlScroll” solution did not work so I needed a different solution. I finally managed to get it sorted by doing the following: Add the following key to your registry by doing a copy and paste of the following line, note that I had to [...]

I had a lot of trouble finding the vSphere 5.0 What’s New whitepapers so I figured I would list all of them as I probably wouldn’t be the only one finding it challenging to get all of these. These are useful to quickly scan what has been introduced for a specific category. I would recommend reading these as it will [...]

**disclaimer: this article is an out-take of our book: vSphere 5 Clustering Technical Deepdive** There are some fundamental changes when it comes to vMotion scalability and performance in vSphere 5.0. Most of these changes have one common goal: being able to vMotion ANY type of workload. It doesn’t matter if you have a virtual machine with 32GB of memory that [...]

vSphere 5.0 has many new compelling features and enhancements. Sometimes though it is that little tiny enhancement that makes life easier. In this case I am talking about a tiny enhancements for vMotion which I know many of you will appreciate. It is something that both Frank Denneman and I have addressed multiple times with our engineers and finally made [...]