Category: vSphere

Blog VMware vSphere
5. July 2023

Performing a Reconfigure for vSphere HA operation on a primary node may cause an unexpected virtual machine failover

Yep, the Warning Message is that long! 😀 This is what I got from a customer, their vSphere Skyline Health was showing the above mentioned Warning: *Sorry for the poor quality picture. 🙂 If you manually reconfigure the primary HA host for HA, this forces the secondary host to find a new primary host. The newly elected primary host places the VMs that were running […]

Blog VMware vSphere
21. June 2023

How to Update VMware VCSA 8 Offline via patch ISO

A few days ago I had the challenge to upgrade my customers vSphere environment offline. So I thought, yep, you have to do a blog post about that. There are indeed situations where a direct upgrade via internet is not possible e.g. in darksites, security customers and many more. But also for environments where the internet connection might not be reliable enough. In such cases […]

Blog VMware vSphere
1. March 2023

The default partition ‘/’ has only 3.8 GB of available space. Enter a new export directory on the source machine below – vCenter Upgrade

Since there are still numerous VMware vSphere 6.7 appliances and they are no longer supported since October 15, 2022, upgrade projects with our customers are increasing. During the upgrade process we encountered a warning in Stage 2, which prevented the process from continuing. When the OVA deployment finishes, you are redirected to Stage 2 of the upgrade process to transfer the data from the old […]

Advanced Tutorials Blog Rocky Linux VMware vSphere
31. December 2022

NFS-Server with CentOS 8 / Red Hat 8 for VMware vCenter Backups

In various community meetings, we often talk about backups for VMware vCenter. As you know, image based backups are only conditionally “supported”. It can go well, but in most cases the VMware vCenter will not be fully restored and you will be forced to re-deploy the appliance. Community and customers are ambivalent, one backs up his VMware vCenter via Veeam etc., the other via the […]

Blog VMware vSAN vSphere
28. October 2022

How to fix “vSphere HA initiated a virtual machine failover action”

“vSphere HA initiated a virtual machine failover action” or “HA initiated a failover action in cluster” issue warning message keep showing on my VMware vSAN ROBO cluster. All hosts in the cluster running fine and there is no HA error in logs too. This alert occurs when a Failover occurs in the cluster. Both of the servers are in a production environment and there is […]

Blog VMware vSphere
12. September 2022

Unable to delete an “inaccessible” datastore (Zombie datastore)

I built a new storage array and migrated the VMs accordingly. But the server gave the following error message: I noticed that the old datastore is still shown as “inaccessible” in vCenter: And even via esxcli I don’t see the datastore anymore: So I first choose the classic way, putting the Server in Maintenance Mode and “Reboot does Good”. But the inaccessible Datastore is still […]

Blog VMware vSphere
8. July 2022

Power On virtual machine – Module CPUID power on failed

If you want to make VM creation easier, you may have VM templates in your VMware vCenter, in addition to automation tools. Accordingly, I wanted to use a Windows Server 2019 template and build a VM from it. In the process, I ran into an error that had not happened to me before: The error message says: Module CPUID power on failed. Failed to start […]