624 Implementing the IBM Storwize V7000 with IBM Spectrum Virtualize V8.2.1
2. If there are fewer than three USB flash drives inserted into the system, you are prompted 
to insert more drives, as shown in Figure 12-25. The system reports how many more 
drives must be inserted.
Figure 12-25   Waiting for USB flash drives to be inserted
3. Insert the USB flash drives into the USB ports as requested.
Note: The Next option remains disabled until at least three USB flash drives are 
detected.