target
srvglus:/etc# cat /proc/net/iet/volume 
tid:1 name:iqn.2001-04.com.example:storage.disk2.sys1.xyz
        lun:0 state:0 iotype:blockio iomode:wt path:/dev/sdb
        lun:1 state:0 iotype:fileio iomode:wt path:/tmp/itarget

initiator
root@pme-linux:/etc/iscsi# iscsiadm -m discovery -t st -p 192.168.1.236
192.168.1.236:3260,1 iqn.2001-04.com.example:storage.disk2.sys1.xyz


root@pme-linux:/etc/iscsi# iscsiadm -m discovery -t st -p 192.168.1.236
192.168.1.236:3260,1 iqn.2001-04.com.example:storage.disk2.sys1.xyz
root@pme-linux:/etc/iscsi# /etc/init.d/open-iscsi restart
 * Disconnecting iSCSI targets                                                                                                    [ OK ] 
 * Stopping iSCSI initiator service                                                                                               [ OK ] 
 * Starting iSCSI initiator service iscsid                                                                                        [ OK ] 
 * Setting up iSCSI targets                                                                                                       [ OK ] 
root@pme-linux:/etc/iscsi# cat /proc/scsi/scsi 
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
  Vendor: ATA      Model: ST3808110AS      Rev: 3.AA
  Type:   Direct-Access                    ANSI  SCSI revision: 05