text: **Note:**Test the setting changes on a non-production server. The LUN has a different unique 
  identifier after it is imported. It resembles a mirrored volume to the VMware server. 
  
  **Prerequisites for iSCSI connections**
  The following prerequisites for iSCSI connections must be met: 
  
  (cid:2) Cable this system to the external storage system with a redundant switched fabric. 
  
  Migrating iSCSI external storage requires that the system and the storage system are 
  connected through an Ethernet switch. Symmetric ports on*all*nodes of the system must 
  be connected to the same switch and must be configured on the same subnet. 