text: Figure 6-49 Discover storage menu 
  
  This action executes CLI command**detectmdisk**. It returns no output. Although it might 
  appear that the command has completed, some extra time might be required for it to run. 
  **detectmdisk**is asynchronous and returns a prompt while the command continues to run in 
  the background. 
  
  **iSCSI external storage controllers**
  Unlike Fibre Channel connections, you must manually configure iSCSI connections between 
  the Storwize V7000 and the external storage controller. Until you do this, the controller is not 
  listed in the External Storage pane. 