diff --git a/docs/source/advanced/mixed_cluster/power/diskful.rst b/docs/source/advanced/mixed_cluster/power/diskful.rst
index 40f9d4cb3..7381ffe13 100644
--- a/docs/source/advanced/mixed_cluster/power/diskful.rst
+++ b/docs/source/advanced/mixed_cluster/power/diskful.rst
@@ -26,7 +26,6 @@ Create a node definition for the x86_64 compute node, here is a sample: ::
         bmc=10.4.42.254
         bmcpassword=PASSW0RD
         bmcusername=USERID
-        chain=runcmd=bmcsetup,shell
         cons=ipmi
         groups=all
         initrd=xcat/osimage/rhels6.6-x86_64-install-compute/initrd.img
diff --git a/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/mtms/discovery_using_defined.rst b/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/mtms/discovery_using_defined.rst
index ca8e4c571..7049af972 100644
--- a/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/mtms/discovery_using_defined.rst
+++ b/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/mtms/discovery_using_defined.rst
@@ -105,6 +105,9 @@ The BMC IP address is obtained by the open range dhcp server and the plan in thi
 
        chdef cn01 chain="runcmd=bmcsetup"
 
+#. Set the target `osimage` into the chain table to automatically provision the operating system after the node discovery is complete. ::
+
+       chdef cn01 -p chain="osimage=<osimage_name>"
 
 #. Change the BMC IP address 
 
diff --git a/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/mtms/discovery_using_dhcp.rst b/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/mtms/discovery_using_dhcp.rst
index 7759e3c2e..3634c067b 100644
--- a/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/mtms/discovery_using_dhcp.rst
+++ b/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/mtms/discovery_using_dhcp.rst
@@ -82,6 +82,10 @@ The BMC IP address is obtained by the open range dhcp server and the plan is to
 
        chdef cn01 chain="runcmd=bmcsetup"
 
+#. Set the target `osimage` into the chain table to automatically provision the operating system after the node discovery is complete. ::
+
+       chdef cn01 -p chain="osimage=<osimage_name>"
+
 #. Define the compute nodes into xCAT: ::
 
        cat predefined.stanzas | mkdef -z 
diff --git a/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/seq_discovery.rst b/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/seq_discovery.rst
index ea26332cc..91934420a 100644
--- a/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/seq_discovery.rst
+++ b/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/seq_discovery.rst
@@ -18,10 +18,16 @@ Predefine a group of nodes with desired IP address for host and IP address for F
     nodeadd cn1 groups=powerLE,all
     chdef cn1 mgt=ipmi cons=ipmi ip=10.0.101.1 bmc=50.0.101.1 netboot=petitboot installnic=mac primarynic=mac
 
-In order to do BMC configuration during the discovery process, set ``runcmd=bmcsetup``. For more info about chain, please refer to :doc:`Chain <../../../../../advanced/chain/index>`   ::
+In order to do BMC configuration during the discovery process, set ``runcmd=bmcsetup``. ::
 
     chdef cn1 chain="runcmd=bmcsetup"
 
+Set the target `osimage` into the chain table to automatically provision the operating system after the node discovery is complete. ::
+
+    chdef cn1 -p chain="osimage=<osimage_name>"
+
+For more information about chain, please refer to :doc:`Chain <../../../../../advanced/chain/index>`
+
 Initialize the discovery process
 ````````````````````````````````
 
diff --git a/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/switch_discovery.rst b/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/switch_discovery.rst
index ad2c60a31..857bc35be 100644
--- a/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/switch_discovery.rst
+++ b/docs/source/guides/admin-guides/manage_clusters/ppc64le/discovery/switch_discovery.rst
@@ -54,10 +54,16 @@ After switches are defined, the server node can be predefined with the following
     chdef cn1 mgt=ipmi cons=ipmi ip=10.0.101.1 bmc=50.0.101.1 netboot=petitboot installnic=mac primarynic=mac
     chdef cn1 switch=switch1 switchport=0
 
-In order to do BMC configuration during the discovery process, set ``runcmd=bmcsetup``. For more info about chain, please refer to :doc:`Chain <../../../../../advanced/chain/index>`   ::
+In order to do BMC configuration during the discovery process, set ``runcmd=bmcsetup``. ::
 
     chdef cn1 chain="runcmd=bmcsetup"
 
+Set the target `osimage` into the chain table to automatically provision the operating system after the node discovery is complete. ::
+
+    chdef cn1 -p chain="osimage=<osimage_name>"
+
+For more information about chain, please refer to :doc:`Chain <../../../../../advanced/chain/index>` 
+
 Add cn1 into DNS::
 
     makehosts cn1