An example report of Easy Tier Data Activity for a pool is shown in Figure 11-137. See Figure 11-129 on page 366 for the steps to start a new chart. Complete the following  steps to create the graph of the system’s performance as shown in Figure 11-138: 370  IBM DS8880 Architecture and Implementation Figure 11-138 System graph definition window Figure 11-137 Example of Easy Tier Data Activity Report Creating system performance graphs 1. Select  System  from the resources to monitor. 2. Select the system to monitor. 3. Select the metrics that you want.