We recently had a customer that we onboarded for a managed service. Part of this service is that we monitor the OS and it turned out there were a LOT of VMs that had very little free disk space left. Now this seemed like a perfect opportunity to apply some Read more…
Recently I got asked to create an overview for a license audit we were receiving. Nothing all to difficult is what I thought at first. But then I had a look at the requirements and they were asking for the ESXi install date for each host. Well when you have Read more…
The company I work for uses the vSphere API for all kinds of purposes. Usually this works great however one of our programs returned some errors after we moved a large number of VMs from one datastore to another. It turns out that from vSphere API 5.0 onwards the VirtualMachineStorageInfo Read more…
This script is also already from a while ago, but I’m posting this because it might be useful to anyone that is currently investigating virtual machine limits and reservation performance issues on their environment or are simply looking for a quick check on their environment. Configuring limits on virtual machine Read more…
A couple of months ago we had to create hundreds of portgroups on a dvSwitch on one of our environments. Doing this manually is pretty tedious, even if you only have to create the portgroup and add a VLAN tag. In this particular case I also had to set the Read more…
On the 31st of december I read a very nice post over at brianbunke.com on running a simulated vCenter with govcsim. Simulated is maybe a bit overstated as it only contains a subset of the API. A vCenter API mocker is a probably better description. Now the nice thing about Read more…
Today we had an issue with one of our older vSphere ESXi hosts which is version 5.5. The vSphere environment which holds these ESXi hosts is version 6.5. This should not be a problem in general but we did encounter some kind of error on the hosts which were being Read more…