Here is a quick list of handy commands when configuring your iSCSI Initiators on Debian:
Install iSCSI Initiator on your system
# apt install -y open-iscsi
Find your Initiator IQN
# cat /etc/iscsi/initiatorname.iscsi
InitiatorName=iqn.1993-08.org.debian:01:6af387c68d
Discover targets on 10.0.0.44
iscsiadm -m discovery -t sendtargets -p 10.0.0.44
10.0.0.44:3260,1 iqn.1992-04.com.emc:cx.apm00240108337.a0
Confirm iSCSI status
iscsiadm -m node -o show
Login to target
iscsiadm -m node --login
Logout of target
iscsiadm -m node --logout
Confirm active session
# iscsiadm -m session -o show
Examine available partitions
# fdisk -l