A few weeks ago I had to shutdown a vSAN Cluster temporarily for a planned site-wide 24 hour power outage that was blacking out a datacentre. With the amount of warning and a multi-datacentre design this wasn’t an issue, but I made use of vSphere tags and some Powershell/PowerCLI to help with the evacuation and …

Or “How I’ve come to love my vSAN Ready Nodes”

In the process of upgrading a vSAN ReadyNode cluster from ESXi 6.5 to 6.7 a warning appeared in the vSAN Health check. The first host in the cluster had gone through the upgrade and was now showing the warning “Controller driver is VMware certified” (Note 1 in the image below). The Dell HBA330 card was using an older …

Ever wondered what those four-digit model numbers used on Dell Latitude devices (for example “Latitude 7275”) mean? This helpful guide should answer your questions.

What to do when the VMware vSphere ESXi UNMAP command doesn’t release space on some or all volumes on a Dell EqualLogic SAN array running v8 firmware (may apply to other versions too).

Symptoms When running the diag command from the Dell EqualLogic CLI (via a SSH session to an EqualLogic member) the process proceeds as normal but never completes, and the SSH session is eventually terminated. Repeating the operation produces the same result. Example Output: 1login as: grpadmin 2grpadmin@xxxxx's …

Here’s a snapshot of my current office desktop: