320 Implementing the IBM Storwize V7000 with IBM Spectrum Virtualize V8.2.1
Figure 8-1 shows the WWPNs that are associated with a Storwize V7000 port when NPIV is 
enabled.
Figure 8-1   Allocation of NPIV virtual WWPN ports per physical port
Failover scsi Host Attach 
Port
This is a standby WWPN that communicates with hosts and is only 
brought online if the partner node within the I/O Group goes offline. 
This is the same as the Primary Host Attach WWPN of the partner 
node.
Primary nvme Host Attach 
Port
This is the WWPN that communicates with hosts. It is a target port 
only. This is the primary port, so it is based on this local node’s 
WWNN.
Failover nvme Host Attach 
Port
This is a standby WWPN that communicates with hosts and is only 
brought online if the partner node within the I/O Group goes offline. 
This is the same as the Primary Host Attach WWPN of the partner 
node.
NPIV port Port description