Novell LINUX ENTERPRISE 11 - HIGH AVAILABILITY, Manual, Page: 4 / 298

Part II Configuration and Administration 29
4 Configuring Cluster Resources with the GUI 31
4.1 Linux HA Management Client . . . . . . . . . . . . . . . . . . . . 32
4.2 Creating Cluster Resources . . . . . . . . . . . . . . . . . . . . . 33
4.3 Creating STONITH Resources . . . . . . . . . . . . . . . . . . . . 37
4.4 Configuring Resource Constraints . . . . . . . . . . . . . . . . . . 38
4.5 Specifying Resource Failover Nodes . . . . . . . . . . . . . . . . . 43
4.6 Specifying Resource Failback Nodes (Resource Stickiness) . . . . . . . . 45
4.7 Configuring Resource Monitoring . . . . . . . . . . . . . . . . . . 46
4.8 Starting a New Cluster Resource . . . . . . . . . . . . . . . . . . . 48
4.9 Removing a Cluster Resource . . . . . . . . . . . . . . . . . . . . 49
4.10 Configuring a Cluster Resource Group . . . . . . . . . . . . . . . . 49
4.11 Configuring a Clone Resource . . . . . . . . . . . . . . . . . . . . 54
4.12 Migrating a Cluster Resource . . . . . . . . . . . . . . . . . . . . 55
4.13 For More Information . . . . . . . . . . . . . . . . . . . . . . . 57
5 Configuring Cluster Resources From Command Line 59
5.1 Command Line Tools . . . . . . . . . . . . . . . . . . . . . . . 59
5.2 Debugging Your Configuration Changes . . . . . . . . . . . . . . . 60
5.3 Creating Cluster Resources . . . . . . . . . . . . . . . . . . . . . 60
5.4 Creating a STONITH Resource . . . . . . . . . . . . . . . . . . . . 65
5.5 Configuring Resource Constraints . . . . . . . . . . . . . . . . . . 66
5.6 Specifying Resource Failover Nodes . . . . . . . . . . . . . . . . . 68
5.7 Specifying Resource Failback Nodes (Resource Stickiness) . . . . . . . . 69
5.8 Configuring Resource Monitoring . . . . . . . . . . . . . . . . . . 69
5.9 Starting a New Cluster Resource . . . . . . . . . . . . . . . . . . . 69
5.10 Removing a Cluster Resource . . . . . . . . . . . . . . . . . . . . 70
5.11 Configuring a Cluster Resource Group . . . . . . . . . . . . . . . . 70
5.12 Configuring a Clone Resource . . . . . . . . . . . . . . . . . . . . 71
5.13 Migrating a Cluster Resource . . . . . . . . . . . . . . . . . . . . 72
5.14 Testing with Shadow Configuration . . . . . . . . . . . . . . . . . 73
5.15 For More Information . . . . . . . . . . . . . . . . . . . . . . . 74
6 Setting Up a Simple Testing Resource 75
6.1 Configuring a Resource with the GUI . . . . . . . . . . . . . . . . . 75
6.2 Manual Configuration of a Resource . . . . . . . . . . . . . . . . . 77
7 Adding or Modifying Resource Agents 79
7.1 STONITH Agents . . . . . . . . . . . . . . . . . . . . . . . . . 79
7.2 Writing OCF Resource Agents . . . . . . . . . . . . . . . . . . . . 80