Export the LV: add it to /etc/tgt/targets.conf (note that there's a convention on how to export these!)
{{Code|<nowiki><target iqn.2010-08.local.bonabo:galileo.lun1>
backing-store /dev/vg00/lvtime
</target></nowiki>}}
Start the iSCSI target daemon and make sure it starts at boot time: