IBM Computer Hardware User Manual page 45

Figure 30 Copying the private key ring file to removable media
Tip: To transfer the security keys from the HMC, you can use the floppy drive
or a flash memory. Plug the device in the USB port, before running the copy
procedure, and then, it will show up in the menu as shown in Figure 30.
Copy the private key from removable media to the second HMC.
Insert the removable media in the second HMC. From the HMC menu select:
System Manager Security → Server Security. In the right window, select
Install the private key ring file for this server. A new window is displayed for
selecting the removable media containing the private key for the HMC (see
Figure 31 on page 46).
Hardware Management Console (HMC) Case Configuration Study for LPAR Management
45