View the total number of drives in the cluster, the health status of the drives, and the used, available, and reserve storage of the cluster as follows.
- Click the Summary tab.
Figure 20. Drives: Summary tab 
To view the drive inventory from the cluster nodes, from the left pane, select Drives, and then click the Inventory tab.
Figure 21. Drives: Inventory tab 
The HCI cluster is built using four AX-740xd nodes, each with two 1.92 TB NVMe drives.
By clicking the serial number of the drive, you can view the drive information, which includes health status, slot location, size, type, firmware version, IOPS, used or available capacity, and storage pool of the drive.
Also, from the dashboard, you can set the drive options as Light On or Light Off, or Retire or Unretire from the storage pool.