You can configure software encryption for disk storage.
Procedure
- 
From the navigation pane, go to Storage > Disk > disk_storage**.
The Disk page appears.
 - 
Click the disk storage that you want to add software encryption.
The disk storage page appears.
 - 
On the Configuration tab, in the Encryption section, move the Encrypt toggle key to the right.
The Add encryption dialog box appears.
 - 
Enter the encryption details:
- 
From the Cipher list, select an encryption method.
 - 
From the Keylength list, select an encryption key length.
 - 
Click Save.
 
 - 
 - 
Click Save.