Comment 3 for bug 1294267

Sometimes, the restart operation doesn't works also:

$ tgt-admin --dump

default-driver iscsi

<target iqn.2014-03.br.com.2aliancas.storage2:vmware_iscsi_4>
 backing-store /dev/vg_vmware/vmware_4
 initiator-address 192.168.130.0/24
 initiator-address 127.0.0.1
</target>

<target iqn.2014-03.br.com.2aliancas.storage2:vmware_iscsi_3>
 backing-store /dev/vg_vmware/vmware_3
 initiator-address 192.168.130.0/24
 initiator-address 127.0.0.1
</target>

<target iqn.2014-03.br.com.2aliancas.storage2:vmware_iscsi_2>
 backing-store /dev/vg_vmware/vmware_2
 initiator-address 192.168.130.0/24
 initiator-address 127.0.0.1
</target>

<target iqn.2014-03.br.com.2aliancas.storage2:vmware_iscsi_1>
 backing-store /dev/vg_vmware/vmware_1
 initiator-address 192.168.130.0/24
 initiator-address 127.0.0.1
</target>

<target iqn.2014-03.br.com.2aliancas.storage2:vmware_iscsi_5>
 backing-store /dev/vg_vmware/vmware_5
 initiator-address 192.168.130.0/24
 initiator-address 127.0.0.1
</target>

$ restart tgt
tgt start/running, process 30315

$ tgt-admin --dump
default-driver iscsi

<target iqn.2014-03.br.com.2aliancas.storage2:vmware_iscsi_4>
 initiator-address 192.168.130.0/24
 initiator-address 127.0.0.1
</target>

<target iqn.2014-03.br.com.2aliancas.storage2:vmware_iscsi_3>
 initiator-address 192.168.130.0/24
 initiator-address 127.0.0.1
</target>

<target iqn.2014-03.br.com.2aliancas.storage2:vmware_iscsi_2>
 initiator-address 192.168.130.0/24
 initiator-address 127.0.0.1
</target>

<target iqn.2014-03.br.com.2aliancas.storage2:vmware_iscsi_1>
 initiator-address 192.168.130.0/24
 initiator-address 127.0.0.1
</target>

<target iqn.2014-03.br.com.2aliancas.storage2:vmware_iscsi_5>
 backing-store /dev/vg_vmware/vmware_5
 initiator-address 192.168.130.0/24
 initiator-address 127.0.0.1
</target>

In this case, only the /dev/vg_vmware/vmware_5 device block was added as a LUN.