# iscsiadm add discovery-address 192.168.1.50:3260
# iscsiadm modify discovery --sendtargets enable
# devfsadm -i iscsi
then after putting «format» command we were able to format iSCSI target
– See more at: http://kb.open-e.com/How-to-connect-to-iSCSI-target-using-Solaris-10_322.html#sthash.VrnyqYbI.dpuf