Hi Chris:
 
This seems weird.  Try to shut down gmetad on the headnode, and gmond on all 
the slave nodes and restart them.  See if this helps.
 
You can also try to debug the issue by sniffing the ganglia traffic.
 
Cheers,
 
Bernard

________________________________

From: [EMAIL PROTECTED] on behalf of Christopher Yip
Sent: Sat 23/04/2005 10:29 AM
To: [email protected]
Subject: [Ganglia-general] Odd problem with graphics...



Can anyone suggest what might have happened in the following?

I was trying to pull together a custom metric for ganglia and now, the 
machines that it was set up on, their graphical data does not appear on 
the Ganglia web pages even though the numerical information is correct.

You can see the problem here:

http://128.100.71.70:81/ganglia/?
c=Yip_Lab_Systems&m=&r=hour&s=descending&hc=4

I restarted the head node that tracks everything, reset the RRDs, etc 
and nothing seems to work. If I restart gmond on those affected 
machines, you sometimes get a spike on the graph and then nothing - 
again, the numerical information is correct, just no trend data...

I've since removed the custom metric but something else is messed up 
and I can't figure out where the problem is - i.e. is it on the clients 
that are providing the data, or the one that is collecting it..?..  I 
did look on the list but the situations that talk about no images refer 
to incorrect permissions, or the whole cluster is off - in this case, 
it's only selected machines that seemed to be affected...

Thanks

Chris

Christopher M. Yip, Ph.D., P.Eng.
Associate Professor - Canada Research Chair in Molecular Imaging
Department of Chemical Engineering and Applied Chemistry
Department of Biochemistry
Institute of Biomaterials and Biomedical Engineering
University of Toronto
407 Rosebrugh Building
4 Taddle Creek Rd
Toronto, Ontario, CANADA M5S 3G9
(416) 978-7853
(416) 978-4317 (fax)
[EMAIL PROTECTED]
http://bigten.ibme.utoronto.ca



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