Looks like the problem was with multicastig. I configured the gmonds to send to a number of hosts with the host directive (so its unicasting) and then pointed gmetad at these for its data source and all works fine now:
http://hyades.maths.qmul.ac.uk many thanks for everyone replies. Regards John On Sat, 26 May 2007, Michael Edwards wrote: > Check the port 8649 on the head node from a compute node. > > On 5/26/07, John O'Loughlin <[EMAIL PROTECTED]> wrote: >> >> >> Tried a few things... >> >> when I telnet to port 8649 on one of the compute nodes and look at thew >> output I can see that each node has no information about any of the other >> nodes. Also, looking at tcpdump -i eth0 udp and port 8649 on a (few of) >> node I can only see the node sending but no incoming traffic. >> >> Not sure where to go from here. >> >> John >> >> On Sat, 26 May 2007, Milo wrote: >> >>> No Problem, try the simplest thing first, rerun the post-install script for >>> ganglia. It will write a new config file with the right settings: >>> (If you unpacked the Oscar files somewhere than the default, edit the path) >>> # export OSCAR_PACKAGE_HOME=/opt/oscar/packages/ganglia/ >>> # cd /opt/oscar/packages/ganglia/scripts >>> # ./post-install >>> >>> -Milo >>> >>> -----Original Message----- >>> From: [EMAIL PROTECTED] >>> [mailto:[EMAIL PROTECTED] On Behalf Of John >>> O'Loughlin >>> Sent: Saturday, May 26, 2007 6:40 AM >>> To: oscar-users@lists.sourceforge.net >>> Subject: Re: [Oscar-users] Ganglia >>> >>> >>>> Next I'd check the /etc/gmond.conf configuration file and see if it got >>>> configured correctly when Oscar was installed. >>> >>> And this is where I fall down I'm afraid, I've read the documentation and >>> seems ok but I've no previous experience with ganglia, it just worked fine >>> last time I installed oscar. >>> >>> John >>> >>>> -Milo >>>> >>>> -----Original Message----- >>>> From: [EMAIL PROTECTED] >>>> [mailto:[EMAIL PROTECTED] On Behalf Of John >>>> O'Loughlin >>>> Sent: Friday, May 25, 2007 9:18 PM >>>> To: oscar-users@lists.sourceforge.net >>>> Subject: Re: [Oscar-users] Ganglia >>>> >>>> >>>> Just installed oscar on a 40 node cluster and everything went >>>> well...except for ganglia. >>>> >>>> It seems to think all more my nodes are dead, which I guess is not >>>> surprising since >>>> >>>> tcpdump -i eth1 udp and port 8649 >>>> >>>> shows nothing at all!! >>>> >>>> Any ideas? >>>> >>>> John >>>> >>>> >>>> >>>> >>>> ------------------------------------------------------------------------- >>>> This SF.net email is sponsored by DB2 Express >>>> Download DB2 Express C - the FREE version of DB2 express and take >>>> control of your XML. No limits. Just data. Click to get it now. >>>> http://sourceforge.net/powerbar/db2/ >>>> _______________________________________________ >>>> Oscar-users mailing list >>>> Oscar-users@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/oscar-users >>>> >>>> >>>> ------------------------------------------------------------------------- >>>> This SF.net email is sponsored by DB2 Express >>>> Download DB2 Express C - the FREE version of DB2 express and take >>>> control of your XML. No limits. Just data. Click to get it now. >>>> http://sourceforge.net/powerbar/db2/ >>>> _______________________________________________ >>>> Oscar-users mailing list >>>> Oscar-users@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/oscar-users >>>> >>> >>> ------------------------------------------------------------------------- >>> This SF.net email is sponsored by DB2 Express >>> Download DB2 Express C - the FREE version of DB2 express and take >>> control of your XML. No limits. Just data. Click to get it now. >>> http://sourceforge.net/powerbar/db2/ >>> _______________________________________________ >>> Oscar-users mailing list >>> Oscar-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/oscar-users >>> >>> >>> ------------------------------------------------------------------------- >>> This SF.net email is sponsored by DB2 Express >>> Download DB2 Express C - the FREE version of DB2 express and take >>> control of your XML. No limits. Just data. Click to get it now. >>> http://sourceforge.net/powerbar/db2/ >>> _______________________________________________ >>> Oscar-users mailing list >>> Oscar-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/oscar-users >>> >> >> ------------------------------------------------------------------------- >> This SF.net email is sponsored by DB2 Express >> Download DB2 Express C - the FREE version of DB2 express and take >> control of your XML. No limits. Just data. Click to get it now. >> http://sourceforge.net/powerbar/db2/ >> _______________________________________________ >> Oscar-users mailing list >> Oscar-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/oscar-users >> > > ------------------------------------------------------------------------- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > Oscar-users mailing list > Oscar-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/oscar-users > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Oscar-users mailing list Oscar-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/oscar-users