Today I had an experience that was not very different than some of the ‘I was today years old’ memes which are floating on the web. I was working on a script to detach a LUN on all hosts within a cluster when I stumbled on a contribution from LucD Read more…
Recently we’ve had to revert to migrating a customer through cloning virtual machines to a lun on a ‘migration storage box’ after which we had to do an import in our vCenter environment. Normally I just Veeam for ease in the whole migration process but this time there were circumstances Read more…
Recently I got asked to provision a number of identical VMs. Now usually I resort to PowerCLI for this task, but this time I thought it would be nice to get out of my comfort zone and try something new for a change. Since I was experimenting with Packer in Read more…
Back in 2018 William Lam released a special virtual appliance version of the ESXi 6.7 image as an OVA. Now you might wonder why would you need a special virtual appliance for a nested ESXi server? The most essential components are already there especially with ESXi 6.7: VMware tools Native 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…
Recently someone sent out a request via Twitter on how to automatically update images. I suggested using Hashicorp Packer but not with the default vmware-iso builder but the one created by the jetbrains-infra team over at Github because it uses the vSphere API instead of a SSH backdoor like the 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…