VMware Certifications
At VMware Explore, I attempted to take a VCF certification as it was free of charge, so why not? I have no working experience with the product, so it went as expected. I have to study and retry. However, i…
Tag performance
Extract configuration
As mentioned in the previous post, I am gathering an overview of vSphere infrastructure in an easy, absorbable format. What other information is good to understand. Output: Fetching vSphere Cluster Information…Cluster Information:Cluster Name: ClusterNameNumber of Hosts: 2DRS Enabled: TrueHA Enabled:…
KPI – Uptime ESXi and VMs
KPIs, or Key Performance Indicators, in an IT system context are measurable metrics used to evaluate the performance, reliability, and efficiency of the system. These indicators help Key Performance Indicators, or KPIs, are measurable metrics used to assess the performance,…
vSphere Admin scripts
Some scripts that I use to manage vSphere Turn off SSH if running Count the number of VMs that are in each vSphere cluster List the 10 largest VMs per cluster Per RAM Example output Export to CSV as well…
vSphere Admission Control – Slot Policy Calculation
I wrote the post explaining what Admission control is So, if we have Slot Policy in Admission control active, how do we determine the maximum number of VMs we can run? We can calculate it manually or we can calculate…
ESXi Lockdown Mode
ESXi Lockdown Mode is a security feature in VMware ESXi that restricts direct access to the ESXi host, allowing access only through vCenter Server. This feature is designed to enhance security by preventing unauthorized users from modifying the ESXi host…
vSphere HA – Admission Control
VMware Admission Control is a component of VMware vSphere High Availability (HA) that guarantees enough resources are allocated within a cluster to satisfy failover needs. It prohibits adding virtual machines (VMs) to a cluster if this would compromise the cluster’s…
Encryption at rest – Worth the effort for vSphere HCI?
Encrypting data drives makes sense on a laptop. If you turn it off and it gets lost, a key has to be provided to decrypt the data on the drives to make it readable. But what about the disks of…