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Replicating your directory contents increases the availability and performance of
your directory. In chapter 4 and chapter 5, you made decisions about the design of
your directory tree and your directory topology. This chapter addresses the
physical and geographical location of your data and, specifically, how to use
replication to ensure your data is available when and where you need it.
This chapter discusses uses for replication and offers advice on designing a
replication strategy for your directory environment. It contains the following
sections:
•
Introduction to Replication (page 111)
•
Common Replication Scenarios (page 116)
•
Defining a Replication Strategy (page 125)
•
Using Replication with Other Directory Features (page 135)
Introduction to Replication
Replication is the mechanism that automatically copies directory data from one
Red Hat Directory Server (Directory Server) to another. Using replication, you can
copy any directory tree or subtree (stored in its own database) between servers.
The Directory Server that holds the master copy of the information will
automatically copy any updates to all replicas.
Replication enables you to provide a highly available directory service and to
distribute your data geographically. In practical terms, replication brings the
following benefits:
Designing the Replication Process
Chapter 6
111
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