text: To start virtualizing the iSCSI backend controller, you need to follow the documentation in IBM 
  Knowledge Center to perform the configuration steps that are specific to your backend 
  storage controller. 
  
  Detailed instructions on configuring Storwize V7000 to virtualize back-end storage controller 
  with iSCSI are available in the following publication: iSCSI Implementation and Best Practices 
  on IBM Storwize Storage Systems, SG24-8327. 
  
  **6.3.2 Actions on external storage controllers**
  
  You can perform a number of actions on external storage controllers. Some actions are 
  available for external iSCSI controllers only. 
  
  To select any action, right-click the controller, as shown in Figure 6-50. Alternatively, select 
  the controller and click**Actions**. 