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Showing posts with label ESXI. Show all posts
Showing posts with label ESXI. Show all posts
Saturday, August 16, 2025

Understanding NUMA: Its Impact on VM Performance in ESXi

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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

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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

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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 |...
Saturday, September 21, 2024

VMware PowerCLI 101 - part10 - Verify vSphere cluster state

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To verify the most common selected status attributes of the cluster: Get-Cluster | Get-VMHost | Select Name,@{N='HAState';E={$_.Exte...
Wednesday, June 26, 2024

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

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This article provides basic guidance on troubleshooting BGP related issues. Sample diagram showing connectivity between Edge Nodes and TOR s...
Saturday, May 20, 2023

vSphere with Tanzu using NSX-T - Part25 - Spherelet

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The Spherelet is based on the Kubernetes “Kubelet” and enables an ESXi hypervisor to act as a Kubernetes worker node. Sometimes you may noti...
Saturday, December 10, 2022

vSphere with Tanzu using NSX-T - Part21 - Pointers while upgrading the stack

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Here are some pointers. The main workflow while upgrading the entire stack is: upgrade NSX-T upgrade vCenter server upgrade ESXi nodes upgr...