June 2011
Intermediate to advanced
400 pages
8h 29m
English
book
Exchange Server 2010 Portable Command Guide: MCTS 70-662 and MCITP 70-663
by Richard Robb, Darril Gibson
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Chapter 21. Database Availability Groups (DAGs)
This chapter provides information and commands concerning the following topics:
• Creating and configuring a DAG
• Adding or removing a DAG member
• Recovering a failed DAG member
• Creating and configuring a DAG network
A Database Availability Group (DAG) provides the infrastructure for replicating mailbox databases to other servers in the DAG. When a DAG is created, you can think of it as a replication boundary for databases on servers in the DAG. In this chapter, you will review the procedures for creating and managing the DAG and one or more DAG networks.
Creating and Configuring a DAG
You need to be aware of the following rules when creating a DAG:
• A server may belong to ...