Figure 8-33 shows how to configure the Notification Settings in your monitoring environment. Figure 8-34 denotes how to set up the Notification Settings. The following metrics are some of the most important metrics that need to be analyzed to  understand a performance problem in IBM FlashSystem 9100 systems. Those metrics are  valid to analyze the front end (by Node, by Host, or by volume) or the back-end (by MDisk or  by Storage Pool). 386  IBM System Storage SAN Volume Controller, IBM Storwize V7000, and IBM FlashSystem 7200 Best  8.5 Important metrics Figure 8-33 Change Notification Settings Figure 8-34 Notification Settings - Details