桌面云系統(tǒng)高可用性設計與實現(xiàn)
[Abstract]:Since cloud computing was put forward, it has experienced more than ten years. Cloud computing also from the original concept to now with a variety of industry specific integration. All governments and enterprises have seen the IT system change brought by cloud computing. Cloud computing has been widely accepted by the government and enterprises because of its unified management, high efficiency, energy saving, security, flexibility and low cost. They have sought to cloud their own IT system more portable, flexible and controllable. At the same time, for the enterprise to reduce a large number of costs. And among them, desktop cloud this one cloud service pattern is the favorite of the enterprise deeply. With the large-scale use of desktop cloud, desktop cloud itself also has its own problems because of its network. Many cloud service outages occur frequently, which affects the further promotion of desktop cloud. In this context, we try to improve the overall availability of desktop cloud system through the improvement of desktop cloud architecture and implementation. Based on the analysis of a large number of desktop cloud products, this paper mainly does the following work: 1. In this paper, a new high availability desktop cloud architecture is designed based on the summary of the overall implementation architecture of desktop cloud. The main high availability of the new architecture is the improvement of computing virtualization and storage virtualization. 2. The mechanism of multi-user and multi-virtual machine is introduced. The virtual machine is about to form a pool of virtual machines, improving availability and resource utilization. 3. 3. A new virtual machine, virtual machine pool state decision rule is introduced, which makes the scheduled virtual machine have high availability, and the new access user does not affect the original user's experience. 4. In view of the irrationality of resource allocation in advance, we reschedule the allocated resources according to the actual usage, improve the service level of the computing resource pool, and improve the utilization ratio of resources. A new distributed file system architecture is designed, and the original name node master and backup design is abandoned, so that the name node can be extended linearly. It not only improves the high availability of storage system, but also increases the concurrency of storage system.
【學位授予單位】:電子科技大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:TP302
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