9.8.2 Split and merge configuration in PowerHA 370  IBM PowerHA SystemMirror V7.2.3 for IBM AIX and V7.2.2 for Linux Disk TieBreaker Configuration Type or select values in entry fields. Press Enter AFTER making all desired changes. [Entry Fields] Split Handling Policy TieBreaker Merge Handling Policy TieBreaker * Select Tie Breaker [] + Split and Merge Action Plan Reboot Select TieBreaker Type  Move cursor to desired item and press Enter. Disk NFS  F1=Help F2=Refresh F3=Cancel   Esc+8=Image Esc+0=Exit Enter=Do  Split Handling Policy  Move cursor to desired item and press Enter. None TieBreaker Manual Complete the following steps: 1. The fast path to set the split and merge policy is  smitty cm_cluster_sm_policy_chk . The  whole path is running  smitty sysmirror  and selecting  Custom Cluster Configuration Cluster Nodes and Networks  Initial Cluster Setup (Custom)  Configure Cluster  Split and Merge Policy  Split and Merge Management Policy . Example 9-30 shows the window to select the split handling policy; in this case,  TieBreaker  is selected. Example 9-30 TieBreaker split handling policy Example 9-31 Selecting Tiebreaker Example 9-32 Disk tiebreaker configuration 3. Pressing Enter shows the disk tiebreaker configuration window, as shown in  Example 9-32. The merge handling policy is TieBreaker too, and you cannot change it.  Also, keep the default action plan as  Reboot . 2. After pressing Enter, select the  Disk  option, as shown in Example 9-31.