Thanks very much!  I added UDP port 8649 to the firewall exceptions using
the little Redhat Security GUI.  Now it works :)

Bradley R. Harrington
Certified Software I/T Specialist
IBM Advanced Technical Support



                                                                       
  From:       Matt Massie <m...@massie.us>                             
                                                                       
  To:         Bradley Harrington/Austin/i...@ibmus                      
                                                                       
  Cc:         ganglia-developers@lists.sourceforge.net                 
                                                                       
  Date:       05/13/2009 02:50 PM                                      
                                                                       
  Subject:    Re: [Ganglia-developers] Missing HOST node               
                                                                       





Have you checked your iptables rules?  If gmond can't send/receive any UDP
packets, there will be no "HOSTS" in the XML output.

-Matt

On May 13, 2009, at 2:46 PM, Bradley Harrington wrote:



      FYI. I just tried Ganglia 3.0.7 with the same results.

      Bradley R. Harrington
      Certified Software I/T Specialist
      IBM Advanced Technical Support


      <graycol.gif>Bradley Harrington---05/13/2009 02:25:28 PM---I am
      running Ganglia version 3.1.2 on several virtual machines on a Core 2
      Duo CPU (Conroe), running
                                                                       
 <ecblank.gif>       <ecblank.gif>                                     
 From:               Bradley Harrington/Austin/i...@ibmus               
                                                                       
 <ecblank.gif>       <ecblank.gif>                                     
 To:                 ganglia-developers@lists.sourceforge.net          
                                                                       
 <ecblank.gif>       <ecblank.gif>                                     
 Date:               05/13/2009 02:25 PM                               
                                                                       
 <ecblank.gif>       <ecblank.gif>                                     
 Subject:            [Ganglia-developers] Missing HOST node            
                                                                       







      I am running Ganglia version 3.1.2 on several virtual machines on a
      Core 2 Duo CPU (Conroe), running Windows Server 2008, and VMWare
      Workstation 6.5. I have Redhat (RHEL 4 & 5) and Suse (SLES 10 & 11)
      Enterprise virtual machines, both the 32-bit and 64-bit versions.
      (Eight different OSes).

      SLES 10 (i386 and x86_64) and SLES 11 (i386 and x86_64) do not have
      the problem and neither does RHEL 5.3 (x86_64).

      However RHEL 4.7 (i386 and x86_64), and RHEL 5.3 (i386) do not
      provide a HOST node. Also, the HOST node for these machines do not
      show up on any other host.

      Reinstalling the OS from scratch, rebooting, and updating all the
      patches do not work. I am actually using the same exact gmond binary
      for all of the hosts of the same architecture (i.e. there is one
      32-bit binary and one 64-bit binary that I installed on all the
      hosts). However, compiling locally or using a binary created on
      another host does not seem to affect the issue either.

      Any ideas on where to start looking?

      Bradley R. Harrington
      Certified Software I/T Specialist
      IBM Advanced Technical Support
      
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