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Disaster Recovery, Business Continuity, Backups, and High Availability |
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In this chapter, we consider the practices necessary to provide service reliability and resumption in an IT environment. We will start with the concepts of disaster recovery and business continuity planning, which require analysis of the ways in which business is dependent on information technology and the impact of an outage. This analysis is useful in determining the strategies and investment needed to raise the level of reliability in the environment to an acceptable level.
We will look at some common backup strategies that are used to protect data, and how those backup strategies can be used in a recovery scenario. The disaster recovery practices ...