16.To finish the allocation of volumes, add the  heartbeat  volume. The procedure that you  follow is the same as with the data volumes. Remember that you must select the  Enable  sharing  option as shown in Figure 12-22. Figure 12-22 Provisioning the heartbeat volume for PowerHA 474  IBM PowerHA SystemMirror V7.2.3 for IBM AIX and V7.2.2 for Linux