2. Enter the host name and the NVMe Qualified Name (NQN) of the host, as shown in  Figure 8-18. 3. Click  Add . Your host is shown in the defined host list. 4. The I/O group NQN must be configured on the host. To find the I/O group NQN, run the  lsiogrp  command, as shown in Example 8-15. Figure 8-18 Defining NQN Example 8-15 The lsiogrp command IBM_2145:ITSO-SV1:superuser> lsiogrp 0 id 0 name io_grp0 node_count 2 vdisk_count 8 host_count 3 flash_copy_total_memory 20.0MB flash_copy_free_memory 19.9MB remote_copy_total_memory 20.0MB remote_copy_free_memory 20.0MB mirroring_total_memory 20.0MB mirroring_free_memory 19.9MB raid_total_memory 40.0MB raid_free_memory 40.0MB maintenance no compression_active no 364  Implementing the IBM System Storage SAN Volume Controller with IBM Spectrum Virtualize V8.2.1