644 Implementing the IBM Storwize V7000 with IBM Spectrum Virtualize V8.2.1
When the key servers details are entered, the USB flash drive encryption configuration is 
displayed. In this step, master encryption key copies are stored in the USB flash drives. If 
fewer than three drives are detected, the system requests plugging in more USB flash 
drives, as shown on Figure 12-52. You cannot proceed until the required minimum number 
of USB flash drives is detected by the system.
Figure 12-52   Prompt to insert USB flash drives