vExpert

Deep Dive in to Virtualization & Cloud


Vysakh Nair

  • vCenter Server Converge Tool

    VMware has deprecated the topology model of the vCenter Server with an external PSC with embedded topology with the release of vSphere 6.7 Update 1. External PSC is used to take advantage of features such as Enhanced Linked Mode (ELM) or PSC HA. With the removal of the External PSC, vSphere 6.7 Update 1 onwards supports ELM also in an… Continue reading

  • Nested ESXi Installation & Configuration

    The term nested is running a hypervisor, such as ESXi, or Hyper-V under another hypervisor. Running a nested ESXi server, on another ESXi server, is not supported by VMware, but it is an excellent way to experiment, and explore setting up a VMware Environment. In this blog will cover how to install and configure nested… Continue reading

  • Calculators

    IP Subnet Calculator The IP Subnet Mask Calculator enables subnet network calculations using network class, IP address, subnet mask, subnet bits, mask bits, maximum required IP subnets and maximum required hosts per subnet. Uptime Calculator Uptime is a measure of system reliability, expressed as the percentage of time a machine, typically a computer, has been working… Continue reading

  • My Home Lab

    As I am working with different customers, constantly testing things for work in my home lab. On this page I’ll introduce you to my home lab. It all started a few years ago with VMware Workstation & Fusion and now I am running with a good configuration which suits all my requirements. When someone hear about… Continue reading

  • What is VMware NSX

    VMware NSX is the network virtualization platform that enables the implementation of virtual networks on your physical network and within your virtual server infrastructure. VMware NSX Data Center delivers virtualized networking and security entirely in software, completing a key pillar of the Software-defined Data Center (SDDC), and enabling the virtual cloud network to connect and… Continue reading

  • Migrate Windows vCenter to VCSA 6.7

    VMware has deprecated vCenter Server for Windows with the release of vSphere 6.7 and all future releases will only be available in VCSA form. VMware worked out a great way to migrate users running vCenter server application on Windows based system into a Linux appliance. This Linux appliance is based on Photon OS, a VMware… Continue reading

  • VMware vSphere ESX and vCenter Configuration Maximums

    When you select and configure your virtual and physical equipment, you must stay at or below the maximums supported by VMware. The limits presented in the following sections represent tested, recommended limits, and are fully supported by VMware. The limits presented in the guide are applicable to ESXi host and vCenter Server. The limits can… Continue reading

  • VMware vSAN

    VMware vSAN is a hyper-converged, software-defined storage product developed by VMware that pools together direct-attached storage devices across a VMware vSphere cluster to create a distributed, shared data store. This blog covering basics of vSAN 6.7 Prerequisites Here are the minimum requirements to build a VSAN environment. Refer this VMware article for all requirements in… Continue reading

  • VMware HA DRS and FT

    VMware offers many enterprise features, among them there are three important features which will make sure the vSphere infrastructure and hosted Workloads are highly available. All these features are enabled at VMware vCenter Server level and which requires specific licensing as well. In this blog I will brief below VMware availability features. Each of these… Continue reading

  • Install and configure Openfiler

    Openfiler is an operating system that provides file-based network-attached storage and block-based storage area network. It was created by Xinit Systems and is based on the rPath Linux distribution. It is free software licensed under the GNU General Public License version 2. I wanted to configure HA and DRS on my ESXI cluster in home… Continue reading

About Me

A side profile of a woman in a russet-colored turtleneck and white bag. She looks up with her eyes closed.

Welcome to my blog! I’m Vysakh Nair, a Cloud Architect at Presight, a G42 company. With over 17 years in IT infrastructure, I have honed my skills in Azure, AWS, and VMware technologies. My expertise extends to both Microsoft and Linux environments, and I thrive on tackling challenges in Storage and Networking technologies. Join me as I share insights and experiences from my journey in the world of cloud architecture and IT infrastructure. Continue Reading