VMCI Sockets bug and missing MSR partition prevents VSS-aware backup (fixed)

Recently I had to do just that when a customer I recently on-boarded to our vSphere platform was having issues creating a VSS-aware backup. Even a quiesced snapshot command failed with an error. This issue took quite some time to investigate. And I was lucky enough to have a support …

Incorrect PostgreSQL object ownership prevents vCenter upgrade

Recently I had to upgrade a vCenter Server Appliance with embedded PSC from version 6.5 U2e to 6.7 U2c. It seemed a pretty straightforward process like the upgrades I’ve done before. But this time the upgrade failed because of an issue with the PostgreSQL database. I examined the logfiles and …

How to shrink VCSA logical volumes before an upgrade

I found that especially when you migrate Windows vCenter servers to the VCSA you might end up with a deployment size that is less than optimal. Some people say; don’t worry, it’s just thin provisioned. But I’m an old-school guy and I like to keep things neat and simple. The …

What hypervisor is my linux VM running on?

Lately I’ve been responsible for migrating quite some VMs from a Hyper-V platform to vSphere. One of the applications I migrated started experiencing some intermittent network issue. And sure enough it turned out the old VM was started again. This left me wondering; how can I check what hypervisor I’m …

NLVMUG UserCon 2019 recordings available on YouTube

On March 21 Bryan and myself attended the Dutch VMUG UserCon 2019. It was a very busy day filled with a lot of interesting content. If you were unable to attend or missed a session because of scheduling conflicts you can now view them on YouTube! Check out the following …

Creating a nested ESXi server in vCloud Director

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 …