电子商务平台高可用性体系分析与实现.docx

摘要
摘要
高可用性是这样一种体系,其目的是消除或最小化停机时间。高可用性分析了高可用性系统实现的软硬件结构以及要解决的主要问题和困难,得出了一个避免单点失效、保证整机容灾的高可用性系统结构。
论文来源于《资源运营及其支持技术》项目。该项目是国务院发展研究中心的重点研究项目,在此项目中,运用了诸多当今流行技术,其中最为突出的使用Data Guard、Oracle RAC、自动存储管理(ASM)和闪回构建一个高可用、防灾难的实现24*7高可用性体系结构。
论文的中心主题是以Oracle数据库为例,研究如何构建~个高可用性的数据库群集系统,以及在实际中的应用。论文首先对项目研究的背景和意义、明确了项目研究的主要目标和可行性分析、预期效果;其次对资源运营项目(CNBAB)体系架构基于中间件、操作系统和磁盘配置作出了整体说明;再次对可靠性进行分析,对网站的备份和恢复进行研究;再次对高可用性方案,集群技术备库技术等做出了说明;然后对性能优化和网络性能做出设计;最后对可靠性和可用性对系统的实施和管理流程进行了总结,展望了下一步需要继续深入进行的研究和探索工作。
关键词:高可用性体系,备库,集群,备份恢复
摘要
ABSTRACT
High availability is all important topic with the aim to minimize the downtime
for a thesis analyzes how to achieve high availability within a Oracle database structure,in order to solve some key problem and difficulties when es to availability structure Can for example help to avoid server shutdown and ensure disaster recovery.
This is also a major research field within State Department Center,and this paper has its base from((The Resources Operation And Its Support Technique》.It makes use of many nowadays popular techniques,among them the most outstanding is usage Data Guard,Oracle RAC,auto e management(ASM)and flashback setup a 24宰7 hJ曲available database structure.
This Paper takes the Oracle database as ail example,how the research
practically sets up a high availability cluster paper researches background and meaning first,making the main target,environment and scope clear. Secondly,the resource operation BAB)system structure based on
aplication server,operation system and disk configuration is
important aspect covered here is to make instructions for planning of High usability in cluster technology and how to design capabilities to optimize the environment. Finally,it COVerS how to implement the management process in a reliable and
available way and at the same time pointing out some interesting parts where further development can be done.
Keyword:High available database,Data gua