Understanding Snapshots – NetApp ONTAP vs. VMware, Hyper-V, and Cloud Disk Snapshots
The term snapshot is widely used across storage systems, hypervisors, and cloud platforms, but the underlying technology can be fundamentally…
Understanding Remote Procedure Calls (RPC) on Windows – Building a Simple Client and Server and Analyzing the Network Traffic
Remote Procedure Call (RPC) is a general communication paradigm used by many operating systems and distributed systems, including Windows, Linux,…
Beyond the Clustershell: Troubleshooting ONTAP via VLOADER and Maintenance Mode
For most NetApp administrators, daily operations happen entirely within the safety of the ONTAP clustershell. But when a severe hardware…
VMware vSphere Networking Best Practices
This post outlines VMware’s recommended best practices for configuring network redundancy and NIC teaming in vSphere environments. It explains the…
How Multicast Traffic Works in VMware vSphere – Testing VSS (Basic Multicast Filtering) vs VDS (IGMP/MLD Snooping) with Video Streaming – Part 1
Multicast traffic is commonly used for IPTV, video surveillance systems, financial market data feeds, software deployment solutions, and other applications…
Deploying NetApp ONTAP Select in VMware vSphere – Running ONTAP as a Virtual Storage Appliance – Part 1
NetApp ONTAP is traditionally deployed on dedicated NetApp storage hardware. With ONTAP Select, however, the same storage operating system can…
Why VMware vMotion doesn’t break your Network: Understanding RARP and MAC Table Updates
We’ve all watched the vSphere progress bar hit 100% and seen the ‘Migration Successful’ toast, marveling at the fact that…
How to Shrink a Linux VMware vSphere Virtual Disk (VMDK) and Its Associated Logical Volume
Allocating additional storage to a virtual machine in VMware vSphere is straightforward, you simply increase the size of the virtual…
Updating VMware Tools to 13.0.5 manually on Ubuntu 24.04 (Headless Build – without GUI)
Ubuntu’s packaged version of open-vm-tools often lags behind VMware’s latest release. If you want to upgrade manually or build a…
VMware vSphere boot loop when trying to boot from Windows Server 2025 ISO
When trying to install Windows Server 2025 on vSphere, I was running into an known issue which actually requires a…
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