Modified documents related with mknb

docs/source/advanced/cluster_maintenance/mgmt_node/changing_hostname_ip.rst

@@ -270,3 +270,8 @@ If it exists, then use the return name and do the following:
 
       makeconservercf
 
+Update the genesis packages
+---------------------------
+
+Run ``mknb <arch>`` after changing the ip of MN.
+

docs/source/advanced/mixed_cluster/power/diskful.rst

@@ -44,6 +44,15 @@ Create a node definition for the x86_64 compute node, here is a sample: ::
         serialport=0
         serialspeed=115200
 
+Verify the genesis packages:
+
+* **[RHEL/SLES]**: ``rpm -qa | grep -i genesis``
+
+* **[Ubuntu]**: ``dpkg -l | grep -i genesis``
+
+If missing, install the packages ``xCAT-genesis-base`` and ``xCAT-genesis-scripts`` from ``xcat-deps`` repository and run ``mknb <arch>`` to create the genesis network boot root image.
+
+
 Provision the node using the following commands: ::
 
     # The following prepares the boot files in /install and /tftpboot