Chapter 12. Encryption 647
6. You can confirm that encryption is enabled and verify which key providers are in use by 
going to Settings → Security → Encryption, as shown in Figure 12-56. Note the state 
Online of key servers and state Validated of USB ports where USB flash drives are 
inserted to make sure they are properly configured.
Figure 12-56   Encryption enabled with both USB flash drives and key servers
12.5  Configuring more providers
After the system is configured with a single encryption key provider, a second provider can be 
added. 
Note: If you set up encryption of your storage system when it was running IBM Spectrum 
Virtualize code version earlier than V7.8.0, you must rekey the master encryption key 
before you can enable second encryption provider when you upgrade to code version V8.1 
or later.