Table of Contents
About This Document.........................................................................................................9
Intended Audience.................................................................................................................................9
New and Changed Information in This Edition.....................................................................................9
Document Organization.........................................................................................................................9
Typographic Conventions......................................................................................................................9
Related Information..............................................................................................................................10
Publishing History................................................................................................................................10
HP Encourages Your Comments..........................................................................................................10
1 Introduction...................................................................................................................11
Clustering Overview.............................................................................................................................11
Server Cluster Versus Network Load Balancing..................................................................................12
Server Cluster..................................................................................................................................13
NLB..................................................................................................................................................13
Cluster Terminology.............................................................................................................................14
Nodes...............................................................................................................................................14
Cluster Service.................................................................................................................................14
Shared Disks....................................................................................................................................14
Resources.........................................................................................................................................14
Resource Dependencies...................................................................................................................15
Groups.............................................................................................................................................15
Quorums..........................................................................................................................................15
Single Quorum...........................................................................................................................16
Majority Node Set (MNS) Quorum............................................................................................17
Heartbeats........................................................................................................................................18
Virtual Servers.................................................................................................................................18
Failover............................................................................................................................................18
Failback............................................................................................................................................19
2 Administering the Cluster............................................................................................21
Verifying Minimum System Requirements..........................................................................................21
Gathering Required Installation Information.......................................................................................23
Creating and Configuring the Cluster..................................................................................................25
Configuring the Public and Private Networks................................................................................26
Private Network.........................................................................................................................26
Public Networks.........................................................................................................................27
NIC Teaming..............................................................................................................................28
Preparing Node 1 for Clustering.....................................................................................................28
Configuring the Shared Storage......................................................................................................28
Preparing Node 2+ for Clustering...................................................................................................29
Creating the Cluster.........................................................................................................................30
Joining Node 2+ to the Cluster........................................................................................................30
Configuring Private and Public Network Role and Priority Settings.............................................31
Validating Cluster Operation................................................................................................................32
Method 1: Simulate a Failover.........................................................................................................32
Method 2: Run the Cluster Diagnostics and Verification Tool........................................................32
Upgrading Individual Nodes...............................................................................................................32
Table of Contents 3
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