IBM双机经验谈

To Describe IBM Double Servers System

随着企业信息系统的普及和整个社会电子商务的发展,现代企业的运作日益依赖于信息技术。越来越多的关键数据被存储在计算机系统中,这些数据的丢失和损坏将对企业造成难以估量的损失。因此企业对于数据可用性的要求也大为提高,因为即使是短时间的系统停机也将造成业务停顿和经济损失。双机容错是计算机应用系统稳定、可靠、有效、持续运行的重要保证。双机热备的目的在于保证数据永不丢失和系统永不停机。本文以IBM双机为例,结合作者的经验,对双机系统的细节展开论述,以便读者更好的理解双机系统。

Along with the popularization of enterprise information system and the development of Electronic Commerce,the operation of modern enterprise depends on the information technology increasingly.The pivotal data in the computer system is increasing at very fast speed,lose of the data may cause serious hurt to enterprise.So enterprise requires higher availability of the data.Because just a shortly shutdown may cause service fail and economic expense.The fault tolerance with doube servers provides the most assurance to improve the endurance,dependability,validity,durative for a computer system.Hot-standby system is in order to assure datas never losing and system never halt.With the experience of the writer,this article including the discussion of the details to a IBM doube servers system.