Chapter 7. copy services, Copy services – IBM DS8000 User Manual

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Chapter 7.

Copy Services

In this chapter, we describe the architecture and functions of Copy Services for the DS8000
series. Copy Services is a collection of functions that provide disaster recovery, data
migration, and data duplication functions. Copy Services run on the DS8000 storage unit and
they support open systems and zSeries environments.

Copy Services has four interfaces: a Web-based interface (DS Storage Manager), a
command-line interface (DS CLI), an application programming interface (DS API), and host
I/O commands from zSeries servers.

This chapter discusses the following topics:

Introduction to Copy Services

Copy Services functions

Interfaces for Copy Services

Interoperability with IBM TotalStorage Enterprise Storage Server (ESS)