Delete none functioning iscsi target
Command:
If possible, shutdown those services that usually using the partition mounted via iscsi.
#Logoff iscsi - command below:
iscsiadm -m node -u
#Delete the target - assuming target is 192.168.1.6
iscsiadm -m node -p 192.198.1.6 --op=delete
#Login Iscsi
iscsiadm -m node -l