To enable encryption by using a key server and USB flash drive, complete these steps: 1. Ensure that there are service IPs that are configured on all your nodes. 2. In the Enable Encryption wizard Welcome tab, select  Key servers  and  USB flash drives and click  Next , as shown in Figure 12-50. Figure 12-50 Selecting key servers and USB flash drives in the Enable Encryption wizard 672  Implementing the IBM System Storage SAN Volume Controller with IBM Spectrum Virtualize V8.2.1