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Legato NetWorker, Release 7.0
Disaster Recovery Guide
19
Chapter 1: Introduction
The Legato NetWorker Disaster Recovery Guide, Release 7.0 provides step-by-step
instructions for recovering from a disaster on supported NetWorker 7.x client
and server platforms.
This chapter includes the following sections:
• “What Is a Disaster?” on page 19
• “Disaster Recovery Guide Overview” on page 20
What Is a Disaster?
For the purpose of this guide, a disaster is any situation in which the day-to-day
access to data (for example, working files, software programs, or system files)
is disrupted. A disaster can also damage network components, such as data,
devices, hardware, media, and software.
A disaster can result from any of the following:
• Computer viruses that can corrupt data
• Hardware and software failures
• Infrastructure interruptions, inconsistencies, or loss of services, such as
communication or network connections
The degree of loss during a disaster can range from one or more files to an
entire computer system. The severity of the disaster determines the procedures
necessary to recover data.
Note: The term autochanger refers to a variety of backup devices: autoloader,
carousel, datawheel, jukebox, library, and near-line storage.