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Exam Ref 70-417: Upgrading Your Skills to MCSA Windows Server® 2012 by J.C. Mackin

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Chapter 10. Configure and Manage High Availability

The Configure and Manage High Availability domain relates to failover clustering and the live migration of virtual machines.

A failover cluster, as you know, is a group of two or more computers that work together to help ensure the availability of a service or application. (In Windows Server 2012, these clustered services and applications are now known as roles.) There are a number of improvements in failover clustering in Windows Server 2012, beginning with scalability: failover clusters now support up to 64 nodes (as opposed to 16 in Windows Server 2008 R2). Failover clusters in Windows Server 2012 also support many new enhancements, such as Cluster-Aware Updating, role priority, VM monitoring, ...

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