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Storage Networking Fundamentals: An Introduction to Storage Devices, Subsystems, Applications, Management, and Filing Systems by Marc Farley

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Managing Data in Time

Data exists in time. It is originally created when it is first saved as a file or entered as a record in a database. From then on, the data may be actively used by applications and updated, or it may be static and unchanged. Many data management technologies are designed to recover or regenerate data as it was at some previous time. In general, there are two primary reasons for managing data by its time variables:

  • To recreate a system state

  • To access a previous version of data

Recreating a System State Through Point-in-Time Snapshot Technology

Business continuity is a discipline with the goal of resuming normal operations following some type of disaster. For many businesses, the primary responsibility of business continuity ...

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