text: (cid:2) Both nodes in an I/O group should have identical hardware to allow failover to work as 
  expected. 
  
  (cid:2) The Fibre Channel switches to which the Storwize V7000 ports are attached must support 
  NPIV and have this feature enabled. 
  
  **8.3.2 Enabling NPIV on a new system**
  
  New Storwize V7000 systems that are shipped with V7.7 or later should have NPIV enabled 
  by default. If your new Storwize V7000 does not have NPIV enabled, it can be enabled by 
  completing the following steps: 
  
  1. Run the**lsiogrp**command to list the I/O groups present in a system, as shown in 
  Example 8-1. 
  
  Example 8-1 Listing the I/O groups in a system 