vSphere 6.0 – create a new alarm for snapshots using the vSphere Web Client
We all know that snapshots can be dangerous if left to grow out of control – they will fill the datastore!. I always like to try and mitigate this risk by creating a new alarm definition to generate an…
Veeam Backup & Replication job failed with warning – vmdk size changed
Yesterday I increased the size of a disk on a VM and today the backup job failed with a warning: Disk [DataStore1] Server1/Server1.vmdk size changed. Changed block tracking is disabled. This was because I didn’t rescan the vCenter server within…
Error creating a datastore in ESXi 5.5
I have just downloaded a trial copy of ESXi 5.5 and installed it onto a server with 3 hard disks. The hypervisor is installed on disk 1 but when attempting to create datastores on disks 2 and 3 I receive…
Using ImDisk Virtual Disk Driver
While trying to recover a virtual server that wouldn’t boot (NTLDR missing) I came across a wonderful tool called ImDisk Virtual Disk Driver. It allowed me to mount a VMDK file on my Windows 7 workstation and access it like…
Cloning a VMware ESXi thick disk to a thin disk
Up until now I’ve been building all of my virtual servers with thick provisioned disks. In order to better utilise the available disk, I have decided use thin provisioned disks instead. This is easy enough for new servers but if, like me,…