text: **Note:**Before enabling Transparent Cloud Tiering, consider the following requirements: 
  
  (cid:2) Ensure that DNS server is configured on your system and accessible. 
  
  (cid:2) Determine whether your company’s security policies require enabled encryption. If yes, 
  ensure that the encryption licenses are properly installed and encryption enabled. 
  
  Each cloud service provider requires different configuration options. The system supports the 
  following cloud service providers: 
  
  (cid:2) SoftLayer® 
  (cid:2) OpenStack Swift 
  (cid:2) Amazon S3 
  
  To view your IBM Spectrum Virtualize cloud provider settings, from the IBM Storwize V7000 
  Settings pane, point to**Settings**and click**System**. Then, select**Transparent Cloud Tiering**, 
  as shown in Figure 5-76. 