diff --git a/perl-xCAT/xCAT/Schema.pm b/perl-xCAT/xCAT/Schema.pm
index 4e9a09f6c..bbf30651f 100755
--- a/perl-xCAT/xCAT/Schema.pm
+++ b/perl-xCAT/xCAT/Schema.pm
@@ -649,8 +649,8 @@ noderes => {
   nfsserver => 'The NFS or HTTP server for this node (as known by this node).',
   monserver => 'The monitoring aggregation point for this node. The format is "x,y" where x is the ip address as known by the management node and y is the ip address as known by the node.',
   nfsdir => 'The path that should be mounted from the NFS server.',
-  installnic => 'The network adapter on the node that will be used for OS deployment, the installnic can be set to the network adapter name or the mac address or the keyword "mac" which means that the network interface specified by the mac address in the mac table will be used.  If not set, primarynic will be used.',
-  primarynic => 'The network adapter on the node that will be used for xCAT management, the primarynic can be set to the network adapter name or the mac address or the keyword "mac" which means that the network interface specified by the mac address in the mac table  will be used.  Default is eth0.',
+  installnic => 'The network adapter on the node that will be used for OS deployment, the installnic can be set to the network adapter name or the mac address or the keyword "mac" which means that the network interface specified by the mac address in the mac table will be used.  If not set, primarynic will be used. If primarynic is not set too, the keyword "mac" will be used as default.',
+  primarynic => 'This attribute will be deprecated. All the used network interface will be determined by installnic. The network adapter on the node that will be used for xCAT management, the primarynic can be set to the network adapter name or the mac address or the keyword "mac" which means that the network interface specified by the mac address in the mac table  will be used.  Default is eth0.',
   discoverynics => 'If specified, force discovery to occur on specific network adapters only, regardless of detected connectivity.  Syntax can be simply "eth2,eth3" to restrict discovery to whatever happens to come up as eth2 and eth3, or by driver name such as "bnx2:0,bnx2:1" to specify the first two adapters managed by the bnx2 driver',
   cmdinterface => 'Not currently used.',
   xcatmaster => 'The hostname of the xCAT service node (as known by this node).  This acts as the default value for nfsserver and tftpserver, if they are not set.  If xcatmaster is not set, the node will use whoever responds to its boot request as its master.  For the directed bootp case for POWER, it will use the management node if xcatmaster is not set.',
@@ -756,7 +756,7 @@ linuximage  => {
   boottarget => 'The name of the boottarget definition.  When this attribute is set, xCAT will use the kernel, initrd and kernel params defined in the boottarget definition instead of the default.',
    addkcmdline=> 'User specified arguments to be passed to the kernel.  The user arguments are appended to xCAT.s default kernel arguments.   This attribute is ignored if linuximage.boottarget is set.',
   pkglist => 'The fully qualified name of the file that stores the distro  packages list that will be included in the image. Make sure that if the pkgs in the pkglist have dependency pkgs, the dependency pkgs should be found in one of the pkgdir',
-  pkgdir => 'The name of the directory where the distro packages are stored. It could be set multiple paths.The multiple paths must be seperated by ",". The first path in the value of osimage.pkgdir must be the OS base pkg dir path, such as pkgdir=/install/rhels6.2/x86_64,/install/updates . In the os base pkg path, there are default repository data. And in the other pkg path(s), the users should make sure there are repository data. If not, use "createrepo" command to create them. For ubuntu, multiple mirrors can be specified in the pkgdir attribute, the mirrors must be prefixed by the protocol(http/ssh) and delimited with "," between each other',
+  pkgdir => 'The name of the directory where the distro packages are stored. It could be set multiple paths.The multiple paths must be seperated by ",". The first path in the value of osimage.pkgdir must be the OS base pkg dir path, such as pkgdir=/install/rhels6.2/x86_64,/install/updates . In the os base pkg path, there are default repository data. And in the other pkg path(s), the users should make sure there are repository data. If not, use "createrepo" command to create them. For ubuntu, multiple mirrors can be specified in the pkgdir attribute, the mirrors must be prefixed by the protocol(http/ssh) and delimited with "," between each other.',
   otherpkglist => 'The fully qualified name of the file that stores non-distro package lists that will be included in the image.',
   otherpkgdir => 'The base directory where the non-distro packages are stored. Only 1 local directory supported at present.', 
   exlist => 'The fully qualified name of the file that stores the file names and directory names that will be excluded from the image during packimage command.  It is used for diskless image only.',