Friday, 6 November 2015

VMware vSphere Free Training

This blog post serve the role of aggregating various tech videos available from the you tube channel of VMware  and presented in such a way that an IT professional trying to learn more about virtualization will get an step by step knowledge of concepts and implementation skills on VMware vSphere 5 and 6 . 






The first post is made as on 6th November 2015 starting from basic ESXi installation  and reach up to FT feature of  vSphere . Please give your inputs in comment box so that more and more topics , vidoes and links can be added to make it more useful for IT professionals .  




Introduction : 

One of the key difference between the certification pattern offered by VMware  compared to other international certification is that VMware insist on attending their official training session named Install , Configure , manage ( ICM ) so that your certification transcript become visible on their web site .  Everyone in the industry is aware that the reasons behind this policy is mainly do with the business than technology , VMware insist that it is their way to maintain a strict quality of training offered by their certified instructors.  But strange enough  most of that classes including the slides used on the official camp is available on VMware YouTube channel itself and the sessions are taken by senior VMware Certified instructors .

One of the major issue faced by any novice  to virtualization industry attending the  ICM is that the lab sessions are not demonstrated by the instructor. After the slides are explained by the instructor , he /she will just ask the participant to  to the lab mentioned on the pdf file . Since the students are new to the concept of virtualization they will find it really hard to digest the concept of the process and  will blindly follow what all stuff written on the lab manual .
But at the same time , the on-line videos from VMware clearly explains the process as well us do the demonstration of the lab sessions . The only shortcoming is that the videos given on the channel will be on basics of the previous versions of the ICM class.  But if the student is ready to the learn the what's new concepts after learning the contents of the video , it is not going to be a big issue .

Please bear in  mind that this blog post is not an alternative to attend VMware ICM workshop for your specific certification path . The session videos from VMware Web site covers vSphere 5.1 Lab

But going through this videos from Vmware itself before attending your workshop will give you more clear-cut idea about the process . Make sure that you also has enough hands on exposure to Virtualisation environment before you attend an ICM session . Also remember that storage management concepts and setting up your storage are not part of  ICM .If you need a physical hands on lab session which cover all the aspects of virtualization and storage concepts , Attend a hands on Lab session from Corona Institute . The details of the same can be found on www.vmwaretraining.in   

Let us Start with the very basic concepts of Virtualization with this video from VMware Itself






Once you learn the basics , Let us start with the installation process of the ESXi host on a production server . Please not that on offcial camps , this process is done only at the end of the training session which is really confusing . Even on this video tutorial , the aspects of physical preparation of your  production server, RAID configuration , IPMI and  ILO configuration are  not covered . If you need a hands on session on the same , attend a fast track session of hands on session at www.vmwaretraining.in 

Here is the video session on How to install and Configure the ESXi hosts.






Now After you learn how to configure the ESXi host , learn how to mange the ESXI host using the Direct Console User Interface , or DCUI






and Also check this video , It is a great introduction to the ESXi as a whole






 Once you learn the art of ESXi installation , it it time to manage the infrastructure  .   to manage an ESXi host directly , you need a software called vSpere Client . It is a dot net framework based windows software which is used to manage ESXI host individually or to manage multiple ESXi host through a concept called vCenter which we are going to discuss .

Download and install vSphere client to your Windows 7 machine and through the vsphere client you can manage the Single ESXi host . If you do not have the correct version of vsphere client with you , you can download it from here  https://www.vmware.com/go/download-vsphere

Your infrastructure will have Multiple ESXi hosts in place and managing each and every host individually is not an easy task and you will not get all the advantages your virtual infra offering to you by directly connecting to each and every ESXi host .

SO you need to have a centralized management of your vSphere which is done by the use of  a service called vCenter Server . Let us learn the concepts of vCenter through this video .



In this video, we'll be looking at installing the VMware vCenter Server. The vCenter Server is a management platform that allows the centralized management of all ESXi hosts and the virtual machines that run on those ESXi hosts.

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As you have observed , this video covers concepts related to  vSphere 5.1 . Why we discussed it here is because 5.1 is the first product which introdued the concept of SSO to vcenter . Next video will give you an overview of the the same process and best practices with vSphere 5.5







 . Be aware that at this point we installed and configured a physcial vCenter Machine . There is another way of configuring your vCenter as a Virtual Machine. But I personally believe that unless you are fully aware about the physical vCenter configuration , you will get the full concept of the Virtual vCenter . remember , your real goal of mastering all these concepts is not just to pass any certifications , but to learn the concepts so that you can apply it to the real field . So get   Qualified First , Then Get Certified ®

Once you installed and configured the vCenter Server , it is time to log in to the infrastructure and create your first virtual machine





The video you just watched discuss the process based on the vSphere Client method of login. Starting with the vsphere 5 , vmware introduced the web client concept where you can use your browser to point to the vcenter and use it as the web client to manage almost all the operations . VMware now expects that you perfrom all of your advanced functionalities with  the web client itself .

So let us get ourself familiarise with Web client through this video . We assume that the web client server component is installed on the same machine running VMware Vcenter  Server





and This video will also help to know more about the Web client .Some people has some strong objection against using the web client . they say it is slow and unresponsive . But VMware fixed most of the issues associated with the web client on newer releases . You like it or not , you have to use the web client if you want to perform advanced operations in vSphere . so let us have a more detailed look in to the web client though the following videos

This Video explains the new navigation features of the vSphere Web Client.





This video  walks you through the process of creating a virtual machine from scratch using the vSphere Web Client. Do not worry about advanced terminologies used on this video , we will learn it eventually 






Interact with virtual machines directly in the browser by using the vSphere Web Client HTML5 console. In supported browsers, the HTML5 console does not require the installation of additional software.




This video discusses privileges, roles, and permissions, and demonstrates how to create a virtual machine administrator role in the vSphere Web Client





Ok , Once you know the basic concepts of  Virtual machine creartion , Now look in to the underliying concepts of storage and Networking . Let us start with Virtual Networking concepts . These discussions hold good of all generations of vsphere


VMware vSphere provides a couple of different options for virtual switch technology. We have standard virtual switches, and distributed virtual switches. In this video, we're going to be looking at the standard virtual switch.


Now let us discuss VMware vSphere Distributed Switch concepts in the following video





Your ESXi host can make use of storage of a variety of types. It can access directly attached storage, for instance, local SCSI storage. It can access fiber channel storage, fiber channel over Ethernet, iSCSI and NFS. In this video, we will learn how to use VMFS Datastores.



Now let us discuss the difference between thick and thin provisioned Virtual Disks





Now let us learn to Use Templates and Cloning.Templates and cloning are techniques that we can use to rapidly provision a virtual machine over and over and over again. We are basically taking a virtual machine, making a photocopy of that virtual machine, with the option to be able to customize it to give it uniqueness, so we don't have duplicate IPs or duplicate names, or in the case of some Windows guest operating systems, potentially duplicate SIDs.






Now Let us Discuss the concepts of Clusters . There are diffrent aspects of the cluster including the feature like HA , DRS and FT . let us start with HA cluster




As you learned HA will create a downtime in your envirnment and it is ok if you are having a host failure and your aim is to bring back the machine as early as possible without human intervention . But for planned downtimes and load balancing aspects , we can use the vMotion process .

In this video, we're going to investigate how to migrate virtual machines using vMotion migration. vMotion migration allows you to move a virtual machine that's powered on from one host to another.




In the next  video, we'll be exploring how to use Storage DRS. A datastore cluster is a collection of datastores that are grouped together. Typically, the reason why you'd create a datastore cluster is in order to enable storage DRS on that cluster.



If you are having a mission critical environment , you may need to implement FT on your environment . Learn more about FT here






Have one more video on the same subject



As we stated initially , this is an effort to aggregate various videos on the v Sphere and present it in such a way that it will be useful for anyone who wish to move to virtualization career


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