Chris: Ganglia does multicast out of the box and my guess is that multicast support is not turned on in the Cisco 6500 switch you are using to interconnect your nodes. -- Steve
-----Original Message----- >From: "Botka, Christopher" <[EMAIL PROTECTED]> >Sent: Apr 19, 2006 3:15 PM >To: [email protected] >Subject: [Ganglia-general] Ganglia reporting all nodes down...except 1 > > >Hi, > >I have a small cluster (15 nodes x86_64 RHE4/FC4 mixed about 50/50). I >recently built and installed v3.0.3 making only minor changes to the >gmond.conf file: <CLUSTER> name, owner, latlong, url and location. The >gmond.conf file is identical across the nodes and they are running the >same NFS shared binary. The only change I made to gmetad.conf is the >data_source line. > >If I am only running gmond on the head node (where gmetad is running) >ganglia reports correct and accurate info in the Physical View for the >head node, however the images are empty where graphs are supposed to be. >All I see is the std. red "x" and image name with a border. > >If I start gmond on any other node, the node will infrequently report a >value for load and will appear up for about 1-3 mins, but >CPU/Hardware/Software are not reported - same problem with the images of >the graphs. > >If I start gmond on all the nodes and the stop it on the head node, >node01 will begin reporting accurately in the Physical View, all others >reported as down, no images. If I stop node01, node02 reports correctly >(still no images), etc. I have done this up through node05 with same >results. > >Nothing weird in dmesg or messages and everything looks OK when I run >gmond in debug. When I look at the debug of gmetad, the updates of all >nodes except the one reporting correctly are very infrequent. > >All these nodes are single 1Gb nic attached to the same blade on a cisco >6500. Windows DHCP and DNS ;-0. >I have also tried installing/running the rpm on some of the nodes with >the same outcome. > >This is the first time I have used Ganglia, so I am not certain if I am >making an obvious newbie mistake. Any & all suggestions are welcom, the >amount of time I have already spent without a breakthrough is >embarrassingly large. > >Thx, > >Chris > > > > >------------------------------------------------------- >Using Tomcat but need to do more? Need to support web services, security? >Get stuff done quickly with pre-integrated technology to make your job easier >Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo >http://sel.as-us.falkag.net/sel?cmd=lnk&kid0709&bid&3057&dat1642 >_______________________________________________ >Ganglia-general mailing list >[email protected] >https://lists.sourceforge.net/lists/listinfo/ganglia-general
