9.10 Scenario: Manual split and merge policy 9.10.1 Scenario description 9.10.2 Split and merge configuration in PowerHA This section presents a manual split and merge policy scenario. Figure 9-38 shows the topology of this scenario. Figure 9-38 Manual split merge cluster topology The fast path to set the split and merge policy is  smitty cm_cluster_sm_policy_chk . The full  path is running  smitty sysmirror  and then selecting  Custom Cluster Configuration Cluster Nodes and Networks  Initial Cluster Setup (Custom)  Configure Cluster  Split and Merge Policy  Split and Merge Management Policy . We select  Manual  for the split handling policy, as shown in Example 9-56. Example 9-56 Manual split handling policy Split Handling Policy  Move cursor to desired item and press Enter. None TieBreaker Manual 384  IBM PowerHA SystemMirror V7.2.3 for IBM AIX and V7.2.2 for Linux