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Data Protection and Information Lifecycle Management by Tom Petrocelli

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Chapter 4. Remote Copy and Replication: Moving Data to a Safe Location

How Remote Copy and Replication Are Different from Backup

On the surface, remote copy, replication, and backup seem to be the same things. In all three cases, data is copied from a primary storage device, such as a disk array, to a secondary one. They all sit in the same layer of the information model (Figure 4-0). The goals are the same, too: to safeguard data by making a copy of it.

Remote copy and replication reside in the data management layer

Figure 4-0. Remote copy and replication ...

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