content_image/974243.jpg content_image/974244.jpg
Figure 8-33 shows how to configure the Notification Settings in your monitoring environment. 

<img src='content_image/974243.jpg'>

Figure 8-34 denotes how to set up the Notification Settings. 

<img src='content_image/974244.jpg'>

## 8.5 Important metrics 

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). 

