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Microsoft® Exchange Server 2010: Best Practices
book

Microsoft® Exchange Server 2010: Best Practices

by Siegfried Jagott, Joel Stidley
July 2010
Intermediate to advanced content levelIntermediate to advanced
880 pages
32h 53m
English
Microsoft Press
Content preview from Microsoft® Exchange Server 2010: Best Practices

Availability Planning for Mailbox Servers

In addition to normal IT best practices and redundant hardware, the DAG is the primary high-availability option for Exchange 2010 Mailbox servers. A DAG is a collection of servers that provides continuous replication and availability for mailbox databases, as shown in Figure 11-1.

A Database Availability Group

Figure 11-1. A Database Availability Group

Continuous replication creates a passive database copy on another Mailbox server in the DAG, and then uses asynchronous log shipping to maintain the copies.

The continuous replication process follows these steps:

  1. The active transaction log is written and then closed.

  2. The Microsoft Exchange ...

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Publisher Resources

ISBN: 9780735649149Purchase book