diff --git a/xCAT-server-2.0/share/xcat/install/scripts/post.rh.iscsi b/xCAT-server-2.0/share/xcat/install/scripts/post.rh.iscsi
index 8324d9c98..32a71d21a 100644
--- a/xCAT-server-2.0/share/xcat/install/scripts/post.rh.iscsi
+++ b/xCAT-server-2.0/share/xcat/install/scripts/post.rh.iscsi
@@ -57,6 +57,7 @@ export PATH=/xcatpost:$PATH
 export OSVER=#TABLE:nodetype:THISNODE:os#
 export ARCH=#TABLE:nodetype:THISNODE:arch#
 addsiteyum
+iscsiadm -m discovery -t st -p #TABLE:iscsi:$NODE:server#
 uploadboot
 cd /
 rm -Rf /xcatpost