##$@iscsi@$##Enable CHAP Authentication##$@iscsi@$##
##$@iscsi@$##Username:##$@iscsi@$##
##$@iscsi@$##Password:##$@iscsi@$##
##$@iscsi@$##Enable Mutual CHAP##$@iscsi@$##
##$@iscsi@$##Username:##$@iscsi@$####$@iscsi@$##Only letters、numbers and underline##$@iscsi@$####$@iscsi@$##characters length must between 12 to 16 bytes##$@iscsi@$####$@iscsi@$##valid characters length must be 16 bytes##$@iscsi@$####$@iscsi@$##Please enter a legal iqn value##$@iscsi@$####$@iscsi@$##This iscsi connect deviceis already in the system##$@iscsi@$##