The cause of the nodes disappearing from Ganglia was the 3com switch, which was filtering IGMP packets. The filtering has been disabled and Ganglia is now running fine. What was unusual was that it occasionally let a packet through the filter, so it was hard to locate the root cause.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Miah, W (Wadud) Sent: 30 November 2007 10:11 To: [email protected] Subject: [Ganglia-general] Nodes keep appearing and disappearing My nodes keep appearing and disappearing in Ganglia. I've set the heartbeat metric interval to 20 seconds, but it makes no difference. Thanks in advance. ------------ Wadud Miah Scientific Computing Systems Support High Performance Computing Services Group, e-Science, RAL 01235 446 794 ------------ ------------------------------------------------------------------------ - SF.Net email is sponsored by: The Future of Linux Business White Paper from Novell. From the desktop to the data center, Linux is going mainstream. Let it simplify your IT future. http://altfarm.mediaplex.com/ad/ck/8857-50307-18918-4 _______________________________________________ Ganglia-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ganglia-general ------------------------------------------------------------------------- SF.Net email is sponsored by: The Future of Linux Business White Paper from Novell. From the desktop to the data center, Linux is going mainstream. Let it simplify your IT future. http://altfarm.mediaplex.com/ad/ck/8857-50307-18918-4 _______________________________________________ Ganglia-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ganglia-general

