VMware tutorial - IT technology blog
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Handling APD and PDL Errors in VMware vSphere: Understanding and Resolving All Paths Down and Permanent Device Loss

APD and PDL are two types of serious storage failures in VMware vSphere that present with similar symptoms but require completely different remediation approaches. This article walks through how to distinguish, diagnose, and resolve each condition using CLI and PowerCLI — based on real-world experience managing an 8-host ESXi cluster.
VMware tutorial - IT technology blog
Posted inVMware

How to Configure VMware vSphere DPM: Automatically Power ESXi Hosts On/Off to Save Datacenter Energy

VMware vSphere DPM automatically migrates VMs and shuts down unnecessary ESXi hosts when cluster load is low, then powers them back on via Wake-on-LAN or IPMI when needed — saving 30–50% of datacenter power consumption. This guide walks through configuring DPM step by step via vSphere Client and PowerCLI, including monitoring and practical tips for production deployments.
VMware tutorial - IT technology blog
Posted inVMware

Hot Add CPU and RAM on VMware vSphere: Upgrade Virtual Machine Resources Without Rebooting

Hot Add CPU and RAM on VMware vSphere lets you upgrade running virtual machine resources without shutting them down — but it must be enabled before the VM boots. This guide covers configuration via GUI, PowerCLI, and the .vmx file, plus a tip for enabling it in your VM template so you never face the "need more RAM but can't shut it down" situation.