GLYPH<SM590000> Both nodes in an I/O group should have identical hardware to allow failover to work as  expected.  GLYPH<SM590000> The Fibre Channel switches to which the Storwize V7000 ports are attached must support  NPIV and have this feature enabled. 1. Run the  lsiogrp  command to list the I/O groups present in a system, as shown in  Example 8-1. 2. Run the  lsiogrp <id> | grep fctargetportmode  command for the specific I/O group ID to  display the  fctargetportmode  setting. If this is enabled, as shown in Example 8-2, NPIV  host target port mode  is enabled. 3. The virtual WWPNs can be listed using the  lstargetportfc  command, as shown in  Example 8-3. Look for the  host_io_permitted  and  virtualized  columns to be  yes ,  meaning the WWPN in those lines is a primary host attach port and should be used when  zoning the hosts to the Storwize V7000. 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: Example 8-1 Listing the I/O groups in a system Example 8-2 Checking NPIV mode with the fctargetportmode field IBM_Storwize:ITSO-V7000:superuser> lsiogrp id name node_count vdisk_count host_count site_id site_name 0 io_grp0 2 2 1 1 io_grp1 0 0 1 2 io_grp2 0 0 1 3 io_grp3 0 0 1 4 recovery_io_grp 0 0 0 IBM_Storwize:ITSO-V7000:superuser> lstargetportfc id WWPN WWNN port_id owning_node_id current_node_id nportid host_io_permitted virtualized protocol  1 500507680140A288 500507680100A288 1 1 1 010A00 no no scsi 2 500507680142A288 500507680100A288 1 1 1 010A02 yes yes scsi 3 500507680144A288 500507680100A288 1 1 1 010A01 yes yes nvme  4 500507680130A288 500507680100A288 2 1 1 010400 no no scsi 5 500507680132A288 500507680100A288 2 1 1 010401 yes yes scsi 6 500507680134A288 500507680100A288 2 1 1 010402 yes yes nvme  7 500507680110A288 500507680100A288 3 1 1 010500 no no scsi 8 500507680112A288 500507680100A288 3 1 1 010501 yes yes scsi 9 500507680114A288 500507680100A288 3 1 1 010502 yes yes nvme 10 500507680120A288 500507680100A288 4 1 1 010A00 no no scsi 11 500507680122A288 500507680100A288 4 1 1 010A02 yes yes scsi 12 500507680124A288 500507680100A288 4 1 1 010A01 yes yes nvme  49 500507680C110009 500507680C000009 1 2 2 010500 no no scsi 50 500507680C150009 500507680C000009 1 2 2 010502 yes yes scsi 51 500507680C190009 500507680C000009 1 2 2 010501 yes yes nvme IBM_Storwize:ITSO-V7000:superuser> lsiogrp 0 | grep fctargetportmode fctargetportmode enabled IBM_Storwize:ITSO-V7000:superuser> Example 8-3 Listing the virtual WWPNs 322  Implementing the IBM Storwize V7000 with IBM Spectrum Virtualize V8.2.1