You can display the hierarchy of all the devices discovered by DDL, including iSCSI devices.
To list all the devices including iSCSI
# vxddladm list
The following is a sample output:
HBA fscsi0 (20:00:00:E0:8B:19:77:BE) Port fscsi0_p0 (50:0A:09:80:85:84:9D:84) Target fscsi0_p0_t0 (50:0A:09:81:85:84:9D:84) Device sda . . . HBA iscsi0 (iqn.1986-03.com.sun:01:0003ba8ed1b5.45220f80) Port iscsi0_p0 (10.216.130.10:3260) Target iscsi0_p0_t0 (iqn.1992-08.com.netapp:sn.84188548) Device sdb Device sdc Target iscsi0_p0_t1 (iqn.1992-08.com.netapp:sn.84190939) . . .