itso-sles12-powerha-n-2 :~ # cat /etc/cluster/rhosts 192.168.16.156 192.168.16.159 The testing environment is shown in Figure 11-7. As shown in Example 11-15, the network is created by default  net_ether_01. 2. Create the cluster. In this case, the only tool for the configuration of the cluster in PowerHA  is  clmgr , as shown in Example 11-15. Figure 11-7 Testing environment Example 11-15 Creating the cluster by running clmgr add itso-sles12-powerha-n-1 :~ # clmgr add cluster itsoclPHA  nodes=itso-sles12-powerha-n-1 Attempting to create the cluster with following nodes: itso-sles12-powerha-n-1 Successfully created the cluster: itsoclPHA Creating Default Network...... Successfully created default network: net_ether_01 ::  eth1:itso-sles12-powerha-n-1 Configuring Cluster... Setting the Split Policy... Successfully set the split policy to None Chapter 11. PowerHA SystemMirror V7.2.2 for Linux  439