Recently I had an issue in my homelab environment. Because of some power outages, my vCenter Appliance hadn’t been shutdown correctly and now vCenter didn’t start correctly anymore. After some searching I found that the database could not be loaded. In the VMware KBs I couldn’t find anything that fixes the start up of the […]
vCenter
Cannot open the disk and could not open change tracking file
Lately I have seen a number of VMs going down after the backup has finished and snapshots get removed. At some point when cleaning the snapshot, the ESXi host decides something is wrong and then brings down the VM. After this we’re unable to power on the VM and receive the error: “Cannot open the […]
VMware Auto Deploy with MSCS won’t work
Our environment is fully built using VMware Auto Deploy 5.1. All the clusters have their own ruleset and we’re very content on how easily we update our hosts and deploy new hosts. However, recently we ran into a major issue with Microsoft Cluster Services inside VMs in combination with VMware Auto Deploy. In a scenario […]
Time to switch your vCenter attributes to tags
VMware has been clear about it, you should switch to the vSphere Web Client and stop using the good old Windows vSphere Client. Being best kid in the class, I of course tell my customers to start using the vSphere Web Client when possible and I work with it myself most of the time. During […]
Did you know, no VMotion when HA network partitioned
During my migration from vSphere 4.1 to vSphere 5.5, I ran into an issue I had never experienced before. When your VMware HA network is partitioned, vCenter will not let you perform VMotions. At first I was surprised but after some searching I learned the reasons behind it and it makes complete sense now.