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Highly Available WebSphere Business Integration Solutions
book

Highly Available WebSphere Business Integration Solutions

by Alicia Harvey, Rob Convery, Carlos Flores, Yvonne Hille, Sriram Madapura, Arnold Shoon
September 2004
Intermediate to advanced content levelIntermediate to advanced
246 pages
4h 36m
English
IBM Redbooks
Content preview from Highly Available WebSphere Business Integration Solutions
Chapter 2. Overview of high availability concepts 15
availability on the order of, for example, 24x7x365 availability, the duration of a
planned outage can be minimized by applying techniques such as rolling
upgrades for software and hot replacement of hardware. Additionally, these
events can be scheduled during periods of lighter system load.
Reasons for planned outages include:
򐂰 The installation of software upgrades or patches
򐂰 Periodically scheduled backups
򐂰 Hardware repairs or expansions
򐂰 The physical movement of applications of hardware
Unplanned outages are the more urgent concern as they may occur at a time
when the system is required to be operational. The major contributors to
unplanned downtime are:
򐂰 Hardware failure
򐂰 Software ...
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Publisher Resources

ISBN: 0738491306Purchase book