apt-get install open-iscsi

iscsiadm -m discovery -t sendtargets -p 192.168.254.227:3260
iscsiadm -m node -T iqn.2014-07.com.raidix:target0 -p 192.168.254.227:3260 --login

iscsiadm --mode session
fdisk -l  /dev/sdd

iscsiadm -m node -T iqn.2014-07.com.raidix:target0 -p 192.168.254.227:3260 --logout



iscsit# server
apt-get install -y iscsitarget

sed -i 's|ISCSITARGET_ENABLE=false|ISCSITARGET_ENABLE=true|g' /etc/default/iscsitarget

mkdir /media/storage
dd if=/dev/zero of=/media/storage/lun1.img bs=1M count=512

cat <> /etc/ietd.conf
Target iqn.2001-04.com.example:storage.lun1
        #IncomingUser someuser secret
        #OutgoingUser
        Lun 0 Path=/media/storage/lun1.img,Type=fileio
        Alias LUN1
        #MaxConnections 6
EOF


cat <> /etc/initiators.allow
iqn.2001-04.com.example:storage.lun1 192.168.2.3
EOF

/etc/init.d/iscsitarget restart

aptitude install open-iscsi

Links
http://www.howtoforge.com/using-iscsi-on-ubuntu-9.04-initiator-and-target