IBM DS8870 Copy Services for Open Systems

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General Metro/Global Mirror operations

This chapter describes general considerations for Metro Mirror and Global Mirror when they are used within the context of Metro/Global Mirror. This chapter provides hints and tips that are related to the specific operation of Metro/Global Mirror.

The chapter covers the following topics:

•Overview

•General considerations for storage failover

•Freezing and unfreezing Metro Mirror volumes

•Checking consistency at the remote site

•Setting up an additional Global Mirror from the remote site

30.1 Overview

This chapter ...

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