Saturday, July 30, 2011

VMWare Basic things to start with

Those who already know basics about VM Ware or already working on this technology can skip reading this article. But if you are aspirant to learn this technology and want to make your careers then here are few basic things.



It is very important that one should be comfortable with networking, subnetting type of storage and should have worked System Engineer on windows, Linux platforms. Though these are not the madatory requirements but these will make learning easier. If you are comfortable with above mentioned things then it will be very much helpful to do your homework before enrolling for classroom training. Because VMWare Certification is not possible without minimum 5 days of classroom training from an authorised VMWare training partner. As 5 days classroom training is approx. 45000/- (US $ 1000), so home work before going for classroom training become very important. The first thing you can do is join VM Ware community http://communities.vmware.com/. The community will let you know what experts are talking about. The next thing you can do is little hands on. The trial software can be downloaded from VM Ware website. http://www.vmware.com/support. You will find Various products listed on VM Ware's official website but the one we will be discussing about is Esxi 4.x, the one which will be used in data center. All relevant documents can be found on VM ware website.



VMWare vSpher Introduction



VMWare vSphere leverages the power of virtualisation to transform datacenters into simplified cloud computing infrastructures and enables IT organisations to deliver flexible and reliable IT services. VMWare vSphere virtualises and aggregates the underlying physical hardware resources across multiple systems and provides pools of virtual resources to the datacenter. As a cloud oprating system. VMWare vSphere manages large collections of infrastructure, such as CPUs, Storage and networking, as a seamless and dynamic oprating environment and also manages the complexity of a datacenter. The following component layers make up VMWare vSphere



---->>Infrastructure Services,


---->>Application Services,


---->>VMware vCenter Server


---->>Clients



The very important thing about VMWare esxi 4.x is that this is plateform independent which means it is directly installed on baremetal. The previously VMware had ESX which came with service console but with lauch of esxi 4.x VMware had obselete the ESX which means no more service console. The ESXi 4.1 foot print is as small as 32 mb. You initiate the installation and no keyboard input required. The hardware vendors like Dell (I will talk about Dell because am skilled on Dell PE servers) has esxi 4.1 embedded. You create vritual machines running Services like DC, AD. Exchange servers, file/print servers, db server on top of this 32 mb footprint.


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