Users Guide

Contents 3
Contents
1 Getting Started with High
Availability . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Clustering Implementations for High
Availability . . . . . . . . . . . . . . . . . . . . . . . . 9
Hyper-V Guest Clustering . . . . . . . . . . . . . . . . . 9
Hyper-V Host Clustering
. . . . . . . . . . . . . . . . . 12
Planned and Unplanned Failover
(Host Cluster Model Only)
. . . . . . . . . . . . . . . . 13
Planned Failover (Quick Migration)
. . . . . . . . 14
Processor Compatibility Requirements
. . . . . . 16
Unplanned Failover . . . . . . . . . . . . . . . . . 16
Comparison of Guest and Host Clustering . . . . . . . 19
3 Designing for High Availability . . . . . . . . 21
Node and Disk Majority versus Node Majority
Cluster Configuration . . . . . . . . . . . . . . . . . . 21
Storage Configuration
. . . . . . . . . . . . . . . . . . 22
Sharing a LUN for multiple HA VMs
. . . . . . . . 22
Storage Options for Hyper-V Host
Clustering . . . . . . . . . . . . . . . . . . . . . . 23