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Virtualization

Today is the second day of VMWorld and we heard from from VMWare's old CEO Paul Maritz new CEO Pat Gelsinger on the direction the company is taking.    In the last four years we have seen server virtualization in the enterprise go from 25% penetration to approximately 60% penetration.  VMWare has an 80% marketshare in virtualization so this shows a huge growth for the company.  In the next four years VMWare would like to see 90% adoption of virtualization in the enterprise.

Disaster recovery can be a difficult thing to plan for.  You back up your systems; perhaps you replicate your data to an off-site facility;  maybe you even build all redundant systems.

After doing all of these things, what is your goal?  It is to get your systems back up and running after some sort of a disaster, such as your building burning down; or an electrical failure in your data center.

Below I have listed a few possible scenarios you may encounter.  In these scenarios I outline a few problems you may encounter, but from a Server Prospective.  The network recovery is for another article.

 

Disaster recovery can be a difficult thing to plan for.  You back up your systems; perhaps you replicate your data to an off-site facility;  maybe you even build all redundant systems.

After doing all of these things, what is your goal?  It is to get your systems back up and running after some sort of a disaster, such as your building burning down; or an electrical failure in your data center.

Below I have listed a few possible scenarios you may encounter.  In these scenarios I outline a few problems you may encounter, but from a Server Prospective.  The network recovery is for another article.

As you may have noticed there are a lot of virtualization products in the market.  Some of the better known products are from Parallels, Oracle, VMWare, and Microsoft.   Each company has products with different strengths and weaknesses.

Virtual Box is a very simple virtual machine package which can be installed on Linux, Mac, Windows, and Solaris. It is open source, so you can compile it to run on other systems as well.

In this tutorial video I will cover how to install virtual box and install your first virtual machine. The process of creating the virtual machine is does not change much from operating system to Operating system. As long as you know how to install the OS (Example: Windows or Linux) then you too can create a Virtual Machine. In this case I will be creating an Ubuntu Linux virtual machine. Ubuntu version 10.10 has a new installer, so it looks a little different if you have used previous versions, but it is still fairly intuitive.

When people talk about Virtualization, they are most of the time referring to either Machine Virtualization, or Application Virtualization.

When You Virtualize an application, you isolate the application to run it its own little world, sometimes called a Sand Box.  By doing this you can get around application compatibility issues, and simplify application deployment.

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