Introduction to Virtualization

Introduction to Virtualization

This section contains preliminary planning information. Explain why you want to use the Oracle VM features, technology and image. It includes the following sections:
  • What is virtualization?
  • Why virtualize?
  • Xen ™ technology
  •  Oracle VM

1.1 What is the virtualization?

Ability is the ability to use a lot of elephants in one machine. The system works in software that allows you to have different systems installed and functioning and capable and independent of, you are in a safe environment, and reduce efficiency. All hardware has its own CPU program, network connection, storage and operation.

1.2 Why virtualize?

With out-of-school delivery of data centers, several factors contribute to growth growth. Rising energy and cooling costs, space constraints, human performance and complexity are extending extensively for cost-effectiveness and feasibility.
The basic equipment of the company began to deal with some of these complaints by changing their design goals. Instead of focusing only on raw gigahertzi yields, manufacturers have improved the processor and chips that allow operation with ereeya low-processor, multiple cores per processor, a large range of power for virtualization functions. Using the appropriate software to enable these jobs, we find several benefits:

  • Strength of Server: In combination with several military units, they can achieve server downsizing and still reduce hardware. Traditionally, the volume needs to be specially made, partially isolated and well behaved, but new technologies are the essential requirements of any virtualization.
  • Reduced weight: Infrastructure costs were significantly reduced as they eliminated the need for physical and network equipment. While you have a lot of computer systems, you can all be connected, use energy and use management costs to achieve this goal. Management and physical structure are reduced for a little and costly.
  • Conversion: Technological machines that operate in boxes. Technological machines can not access other technological sources. If the technological equipment is successful or not, it does not affect the other machine.
  •  In the same class: A virtualized environment is a wide range of stereo devices classified as a tool for presenting each guest system. This reduces the efficiency of the entire IT sector: from support, documentation of equipment to perform.
  • Legacy Support: With normal operating systems in the bare metal, hardware vendors as part of the new system, the system vendor must change the corresponding new hardware can (such as an Ethernet card). Due to the operating system, the operating age may not continue to upgrade the modern device. In a virtualized operating system, hardware remains constant while the virtual environment is in place, regardless of changes in real hardware, including complete replacement.

1.3 Xen technology

Hijacker is a simple and easy to use mini computer machine for x86 computers. Xen Xen works safely with many technical machines for physical systems. All hardware has a host operating system with a cultural system. Xenjiraha Xenigga is basically originally from Cambridge University researchers who were taken to work alone.
Xenon has been enhanced and included Oracle VM Server.

1.4 Oracle VM

Oracle VM is a program to provide an environment that is fully equipped to take advantage of the technology of looga. Oracle VM enables the installation of operating systems and application programs in the appropriate environment. Oracle VM components are:


Oracle VMM: provides a user interface that is on the Application Development Application (ADF) Web site, the management of Oracle VM servers, machines and technical resources. Use Oracle VMM Manager:
  • Create a technical machine
  • Create groups of groups
  • Protect and demodulate the file system





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