Memory tiering in vSphere
Extreme Performance Series 2026: Advanced NVMe Memory Tiering VCF 9 Memory tiering with NVMe drives – really useful these times where RAM is really expensive
Category vSphere
Why Separating Workload and Management Should Be a Standard in Every VMware Environment
As virtualization continues to mature and hybrid cloud models become the norm, one architectural principle consistently proves itself essential for both resilience and security: the separation of workload and management. In VMware environments—whether traditional vSphere, VMware Cloud Foundation (VCF), or hybrid…
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,…
Log into vCenter and start SSH on all ESXi
Although SSH should be disabled on all ESXi hosts as a security standard, there are many instances where it needs to be open. Troubleshooting is one of them. To be able to start and stop the SSH service on all…
Create a credentials file for vSphere
Instead of having to enter the username and passwords every time you are running a script it is a good idea to create a credentials file and encrypt it on your system. Create encrypted file This creates a file C:\vCenterCredentials.xml…
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…