Pages

▼
Showing posts with label VMware. Show all posts
Showing posts with label VMware. Show all posts
Friday, August 15, 2025

Understanding NUMA: Its Impact on VM Performance in ESXi

›
VMware ESXi hosts use Non-Uniform Memory Access (NUMA) architecture to optimize CPU and memory locality. Each NUMA node consists of a subset...
Saturday, July 12, 2025

Troubleshooting ESXi PSOD: A Quick Guide for SREs

›
When an ESXi host hits a Purple Screen of Death (PSOD), it’s more than just a crash - it’s a signal that something critical needs attention....
Saturday, January 18, 2025

VMware PowerCLI 101 - part12 - Get uptime and boot time of ESXi nodes and VMs

›
You can use the following PowerCLI commandlets to get the uptime and boot time of ESXi hosts and VMs. Get ESXi boot time. > Get-Cluster |...
Friday, October 18, 2024

VMware PowerCLI 101 - part11 - Get vCLS cluster state

›
vSphere Cluster Services (vCLS) is a feature introduced in vSphere 7.0 Update 1 to ensure the availability of cluster services like DRS and ...
Friday, September 20, 2024

VMware PowerCLI 101 - part10 - Verify vSphere cluster state

›
To verify the most common selected status attributes of the cluster: Get-Cluster | Get-VMHost | Select Name,@{N='HAState';E={$_.Exte...
Thursday, August 1, 2024

A decade of tech - My professional journey so far

›
Laying the Groundwork My professional career commenced in February 2014, as a Trainee IT Services Engineer at Alamy Images. During my initia...
Thursday, July 4, 2024

vSphere with Tanzu using NSX-T - Part35 - Monitoring supervisor cluster health with Python and vCenter APIs

›
vSphere with Tanzu Supervisor cluster is a Kubernetes platform that simplifies the deployment, management, and scaling of Kubernetes cluster...
Wednesday, June 26, 2024

vSphere with Tanzu using NSX-T - Part33 - Troubleshooting intermittent connection timeouts to apiserver and workloads

›
In the realm of managing Tanzu Kubernetes clusters (TKCs), we have encountered several challenges that hindered the smooth functioning of ou...

vSphere with Tanzu using NSX-T - Part32 - Troubleshooting BGP related issues

›
This article provides basic guidance on troubleshooting BGP related issues. Sample diagram showing connectivity between Edge Nodes and TOR s...
Saturday, May 25, 2024

vSphere with Tanzu using NSX-T - Part30 - Troubleshooting inaccessible TKC with server pool members missing in the LB VS

›
Encountering issues with connectivity to your TKC apiserver/ control plane can be frustrating. One common problem we've seen is the kube...