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What is VMware CTK file format?

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A file with extension CTK can be found by using the VMware datastore browser, in the same folder as other VMDK file, where the VM stores all its files (VMDK, VMX, VMSD, NVRAM….). What is VMware CTK file for? The CTK file is used by Changed Block Tracking (CBT). It lists the block changes made since last backup. […]

Microsoft Windows Server Hyper-V 3.0 Technical Hands on Guide

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I was nicely surprised by the content of this free E-book from Veeam which is a real step-by-step guide. The document is called Understanding Hyper-V in Windows Server 2012 and it’s a detailed, illustrated guide for Microsoft Windows Server Hyper-V 3.0. For those of you who wants to see step-by-step which allows you to learn about Hyper-V […]

Windows Server 2012 installing and configuring (70-410) training

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The new training called Windows Server 2012 Installing and configuring (70-410) Training will allows you to learn through 23 lessons, the installation and configuration. Microsoft Windows Server 2012 brought some good stuff for IT administrators, users and operators. Many of the new features, and roles (hyper-v) has progressed since previous release of Microsoft Server (2008 release). If you’re an […]

What is VMware .vSphere-HA folder for?

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If you’re running VMware vSphere High Availability (HA) cluster, you have certainly noticed a folder named “.vSphere-HA” on several of your shared datastores. What is VMware .vSphere-HA folder for? This folder has something to do with HA, you think, but what exactly is stored there? You certainly do not want to delete it, do you? […]

VMware datastore hearbeating – How this functionality works?

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When configuring VMware High Availability (HA) cluster, you have the possibility to check as a secondary communication channel  a datastore (or several ones), during the configuration wizard. VMware Datastore Hearbeating provides an additional option for determining if host is in failed state or not. Before vSphere 5.0 era, in vSphere 4.1, if host had a hardware […]

How to Configure VMware High Availability (HA) Cluster

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In this article you’ll learn how to configure VMware High Availability (HA) cluster. It’s not in depth article about HA, but gives you enough knowledge and get things running. You could already read my article VMware HA cluster –  how it works with an introductory video from VMware TechPub. VMware HA components changed in vSphere 5 where […]

Nakivo Backup and Replication for VMware vSphere – New Virtualization Backup Company

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Nakivo is new company, based in Silicon Valley, California. Nakivo has entered the already crowdy VMware vSphere backup eco-system at the end of October 2012. The company came up from stealth mode since few months, but has already achieved VMware Ready status and has it’s product listed at VMware Exchange. Nakivo is also VMware Technology […]

How-to reset root password in VDP – VMware vSphere Data Protection

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In this how-to you’ll see How-to reset root password in VDP (vSphere Data Protection). VDP is bundled with vSphere Essentials Plus, so If you’re on this package, you have the possibility to use it and backup your VMs. If you’re on vSphere Essentials, where no backup product is present, I would suggest going with Veeam Backup […]