và phức tạp cần thiết để khôi phục lại hệ thống quan trọng trong trường hợp của một sự kiện thảm khốc, cải thiện cơ hội tiếp tục kinh doanh. Ảo hóa máy chủ cũng có thể giúp giảm các chi phí liên quan trong việc tạo ra các hệ thống được đánh giá cao có sẵn, cũng giúp đỡ trong việc tiếp tục kinh doanh thông qua tăng khả năng chịu lỗi. | 54 Advanced Server Virtualization servers to be backed up in an easier manner helping with disaster recovery. The lifetime of legacy servers and applications can be significantly extended and the performance increased by moving them to virtual machines. Disaster recovery strategies can be enhanced through the use of server virtualization which can dramatically reduce the time and complexity required to restore vital systems in the event of a catastrophic event improving the chances of business continuance. Server virtualization can also help reduce the costs involved in creating highly-available systems also aiding in business continuance through increased fault tolerance. In addition to cost reduction server virtualization opens up new opportunities by providing the capabilities to easily create adaptive and on-demand computing systems increasing an organization s productivity. Server virtualization is not the answer to all business problems however and some systems do not lend themselves well to be run within virtual machines including performance-sensitive applications graphics-intensive applications and applications requiring specialized hardware. It is important to take these limits into consideration when planning for server consolidation projects legacy server and application support disaster recovery and high availability solutions. All in all virtualization can save the organization thousands to millions of dollars through more efficient and effective use of hardware. Chapter 5 Other Uses of Server Virtualization This chapter provides soup-to-nuts server virtualization usage scenarios which build upon the ideas presented in the previous chapter. Practical use cases are presented to show how server virtualization solves problems more easily than traditional approaches. These pain points or problems facing organizations cross over into their IT departments. By utilizing virtualization these departments can learn to solve these problems in a more efficient .
