diff --git a/xCAT-client/pods/man1/genimage.1.pod b/xCAT-client/pods/man1/genimage.1.pod
index e3a3ab03f..79999f254 100644
--- a/xCAT-client/pods/man1/genimage.1.pod
+++ b/xCAT-client/pods/man1/genimage.1.pod
@@ -6,9 +6,9 @@ B<genimage> - Generates a stateless image to be used for a diskless install.
 
 B<genimage>
 
-B<genimage>  B<-o> I<osver> [B<-a> I<arch>] B<-p> I<profile> B<-i> I<nodebootif> B<-n> I<nodenetdrivers> [B<-r> I<otherifaces>] [B<-k> I<kernelver>] [B<-g> I<krpmver>] [B<-m> I<statelite>] [B<-l> I<rootlimitsize>] [B<--permission> I<permission>] [B<--interactive>]
+B<genimage>  B<-o> I<osver> [B<-a> I<arch>] B<-p> I<profile> B<-i> I<nodebootif> B<-n> I<nodenetdrivers> [B<--onlyinitrd>]  [B<-r> I<otherifaces>] [B<-k> I<kernelver>] [B<-g> I<krpmver>] [B<-m> I<statelite>] [B<-l> I<rootlimitsize>] [B<--permission> I<permission>] [B<--interactive>]
 
-B<genimage> [B<-o> I<osver>] [B<-a> I<arch>] [B<-p> I<profile>] [B<-i> I<nodebootif>] [B<-n> I<nodenetdrivers>] [B<-r> I<otherifaces>] [B<-k> I<kernelver>] [B<-g> I<krpmver>] [B<-m> I<statelite>] [B<-l> I<rootlimitsize>] [B<--permission> I<permission>] [B<--interactive>] I<imagename>
+B<genimage> [B<-o> I<osver>] [B<-a> I<arch>] [B<-p> I<profile>] [B<-i> I<nodebootif>] [B<-n> I<nodenetdrivers>] [B<--onlyinitrd>] [B<-r> I<otherifaces>] [B<-k> I<kernelver>] [B<-g> I<krpmver>] [B<-m> I<statelite>] [B<-l> I<rootlimitsize>] [B<--permission> I<permission>] [B<--interactive>] I<imagename>
 
 
 B<genimage> [B<-h> | B<--help> | B<-v> | B<--version>]
@@ -53,8 +53,10 @@ for statelite: B<liteimg>
 
 Becides prompting for the input for some paramters, the B<genimage> command takes default quesses for the parameters not specified or not defined in the I<osimage> and I<linuximage> tables. It also makes default answers for questions from yum/zypper command when installing rpms into the image. Please use --interactive flag if you want yum/zypper command to prompt you for the answers.  
 
-The B<genimage> command must be run on a system that is the same architecture as the nodes it will be
-used on.  If the management node is not the same architecture, copy the contents of
+If B<--onlyinitrd> is specified, only regenerates the initrd for a stateless image to be used for a diskless install.
+
+The B<genimage> command must be run on a system that is the same architecture and same distro with same majar release version as the nodes it will be
+used on.  If the management node is not the same architecture or same distro level, copy the contents of
 /opt/xcat/share/xcat/netboot/<os> to a system that is the proper architecture, and mount /install from
 the management node to that system. Then change directory to /opt/xcat/share/xcat/netboot/<os> and run ./genimage.
 
@@ -104,6 +106,17 @@ which may prove important in some cases.
 
 The maximum size allowed for the root file system in the image.  Specify in bytes, or can append k, m, or g.
 
+=item B<--onlyinitrd>
+
+Regenerates the initrd for a stateless image to be used for a diskless install.
+
+
+Regenerates the initrd that is part of a stateless/statelite image that is used to boot xCAT nodes in a stateless/stateli
+te mode.
+The generated initrd will be put in /install/netboot/<OS>/<arch>/<profile>.
+
+The B<genimage --onlyinitrd> command will generate two initial ramdisks, one is B<initrd-statelite.gz> for B<statelite> mode, the other one is B<initrd-stateless.gz> for B<stateless> mode.
+
 =item B<--permission> I<permission>
 
 The mount permission of B</.statelite> directory for B<statelite> mode, which is only used for B<statelite> mode, and the default permission is 755.
@@ -193,6 +206,11 @@ x86_64 and place it in the
 
   genimage myimagename --interactive
 
+=item 9
+
+To regenerate the initrd for a fedora8 image for a compute node architecture x86_64 and place it in the /install/netboot/fedora8/x86_64/compute/rootimg directory:  change directory to /opt/xcat/share/xcat/netboot/fedora and run:
+
+  geninitrd -i eth0 -n tg3,bnx2 -o fedora8 -p compute
 
 =back
 
@@ -206,4 +224,4 @@ x86_64 and place it in the
 
 =head1 SEE ALSO
 
-L<geninitrd(1)|geninitrd.1>, L<packimage(1)|packimage.1>, L<liteimg(1)|liteimg.1>
+L<packimage(1)|packimage.1>, L<liteimg(1)|liteimg.1>