Study On CORS Operation And Maintenance Management Based On The Virtual Machine Cluster

In order to meet the needs of national economic construction, the Continuous Operational Reference System (CORS) to speed up the pace of construction. Over the years, Many construction projects have sprung up across the country, such as the crustal movement observation network of China, Radio Beacon Differential GPS etc. In addition, the nationwide also emerged a large number of provincial and city level of regional CORS system. The CORS data processing center in some relevant institutions, there are CORS data from multiple sources, which need for analysis and treatment on the unified management. However, because of many kinds of data files, large amount of data, computing tasks, bring inconvenience in data management and processing. Specific performance for the problem such as data management, software management, GPS data calculation efficiency, computer resources to expand and remote maintenance and resource sharing etc. In practical work, the staff hope that the management and data processing operation all can be more focused, instead of specific to the dispersed and complex of multiple hosts.This arctic will introduce a set of data management and automatic processing scheme of with the virtual machine cluster. wich based on the platform of VMware virtual machine, using a powerful network functions of Linux system, aiming at the The above mentioned some problems about the CORS data processing center, in order to improve the efficiency of the data center.The main research contents include:Firstly, Research and construct efficient seamless sharing system of virtual machine cluster, Implementation of data and application functions centralized management, decentralized operation pattern, mainly including Mass/distributed data management, software cross system efficient sharing, unified user groups etc..Secondly, it is the construction of GAMIT data processing framework based on the virtual machine cluster.In the virtual cluster is highly shared, to further strengthen the ties between the hosts, and through the C#, bash shell and expect language programming, to achieve GAMIT automatic data processing framework, which work in the Linux virtual cluster but controlled by the windows user in the client, and then as an example of application of the seamless sharing of virtual machine system cluster on the availability, inspection and the advantages and disadvantages of its application and the CORS data management and processing system.Thirdly, remote maintaining and resource sharing with a secure environment. Work in the modern enterprise data center, Internet users can use VPN or similar web conferencing softwares such as the Team Viewer, to access resources in the data center. Therefore, this paper will discuss how to use the safe and strong network function of the Linux system, to centralize the virtual cluster all resources on a host, as the Internet user login and a platform for the sharing of resources. In addition, design the the specific plan for user login and sharing resources.and study the user’s hierarchical management approach, to maintain security and stability.Finally, through to analysis of the example of virtual fleet set GAMIT automatic processing framework calculating, the feasibility, advantages and disadvantages of the application of system efficiently will be discussed in this article, sharing in a set of virtual machines in CORS data processing system, showing its impact of the actual work efficiency.