Add extra warning for LVM

installer

@@ -875,8 +875,13 @@ dev_menu()
 			'back' "$back" || return 0
 
 		if [[ -z $WARN && $choice != 'view' ]]; then
-			msg "Data Warning" "$_warn"
-			WARN=true
+			if [[ -z $LVMWARN && $choice == 'lvm' ]]; then
+				msg "LVM Warning" "\nIMPORTANT: Choose carefully when setting up LVM, the partitions chosen will be formatted and your DATA WILL BE LOST.\n\nLogical volumes created will need to be formatted before install.\n"
+				LVMWARN=true
+			else
+				msg "Data Warning" "$_warn"
+				WARN=true
+			fi
 		fi
 		case "$choice" in
 			'view') part_show ;;