The screenshot shows the Perform Prerequisite Checks screen. There are 4 buttons along the top of the screen. They are labeled, from left to right: Check Again, Fix & Check Again, Show Failed (drop-down list), and All Nodes (drop-down list). To the right of the buttons is the Ignore All option, which is currently not selected.
In the middle of the screen is a list of check. In the category of OS Kernel Parameters, there are 3 failed checks: OS Kernel Parameter:file-max, OS Kernel Parameter:ip_local_port_range, and OS Kernel Parameter:wmem_max. All of these checks have Yes in the Fixable column.
The failed check listed in this screenshot is Network Time Protocol (NTP). It does not have a value in the Fixable column.
In the screenshot, the OS Kernel Parameter:file-max check is highlighted. In the section below the list of checks, details about this failed check are provided. The text displayed reads "This is a prerequisite condition to test whether the OS kernel parameter "file-max" is properly set. (more details). The text "more details" is hyperlinked. Additional information in this text box shows that the check passed on racnode1 but failed on racnode2.
On the bottom, right-hand side of the screen are 4 buttons: Back, Next (disabled), Finish (disabled), and Cancel. On the bottom, left-hand side of the screen is a single button labeled Help.
End of description.