sudo apt-get install iscsitargetman ietd indicates that the configuration file is located at /etc/ietd.conf but it isn't, so instead:
sudo nano /etc/iet/ietd.confIf you're following the "Creating an Open Source SAN" chapter of "Pro Ubuntu Server Administration" by Sander van Vugt, be careful when adding your target not to include a space between the comma and the type
Target iqn.2008-08.com.sandervanvugt:mytarget Lun 0 Path=/dev/sdb,Type=fileio Lun 1 Path=/dev/sdc, Type=fileioOne step that's missing from this chapter is to enable it (why isn't it enabled?).
sudo nano /etc/default/iscsitargetEnsure this line is present in the configuration
ISCSITARGET_ENABLE=trueThen exit nano, saving changes, and restart the iscsitarget service
sudo /etc/init.d/iscsitarget restartIf everything has gone to plan, you should be able to see these files
cat /proc/net/iet/session cat /proc/net/iet/volumeOtherwise, have a look at the log
tail /var /log/syslog