How to fix “inaccessible” virtual machines in VMware ESX

How to fix “inaccessible” virtual machines in VMware ESX Occasionally my storage goes offline, this can put VMware ESXi into a bit of a spin if your VM guests are hosted on the storage that went offline. The guests on the datastore will be greyed out with “(inaccessible)” next to them. There is a quick… Read more »

How to Shrink a Thin VMDK on ESXi 5.x Offline

How to Shrink a Thin VMDK on ESXi 5.x Offline Over time virtual machine guests will grow in size if provisioned as a thin disk due to files being copied or log files being generated, once the files are unallocated (deleted or moved) the vmdk still reserves the location as used thus causing excessive white… Read more »

VMware Anti Affinity Rules in VMware ESX

I recently had to setup anti affinity to separate two guest operating systems that were clustered using Microsoft Cluster. This ensured that each guest would not be on the same host, reducing the risk of hardware failure bringing down both hosts and the cluster. Other examples might be that you want your primary and secondary… Read more »