Hi Joan,
what you describe sounds fine with regard to "gmetad". "gmetad" will only talk one node per data_source. If that node fails and you have more than one node listed, it will [try to] failover to the next available node. So far, everything is working as expected.
Your problem is that apparently each of node01..10 only "knows" its own metrics. Nodes listed on the data_source line need to know the metrics of all nodes in the respective cluster. So it is more a problem with the configuration of your "gmond" services. Care to share the configuration of one of the nodes?
Cheers
Martin Knoblauch
email: k n o b i AT knobisoft DOT de
www: http://www.knobisoft.de
what you describe sounds fine with regard to "gmetad". "gmetad" will only talk one node per data_source. If that node fails and you have more than one node listed, it will [try to] failover to the next available node. So far, everything is working as expected.
Your problem is that apparently each of node01..10 only "knows" its own metrics. Nodes listed on the data_source line need to know the metrics of all nodes in the respective cluster. So it is more a problem with the configuration of your "gmond" services. Care to share the configuration of one of the nodes?
Cheers
Martin
------------------------------------------------------Martin Knoblauch
email: k n o b i AT knobisoft DOT de
www: http://www.knobisoft.de
From: Joan Marc Riera <[email protected]>
To: [email protected]
Sent: Fri, October 22, 2010 11:50:05 AM
Subject: [Ganglia-general] gmetad only reads from one node of each data_source
Hello,
I have gmetad with following conf running :
r...@fbmsgga01:/var/lib/ganglia# cat /etc/ganglia/gmetad.conf |grep -v ^# |grep -v ^$data_source "CPU cluster" node01 node02 node03 node04 node05 node06 node07 node08 node09 node10data_source "GPU cluster" nodegpu01gridname "FBM" r...@fbmsgga01:/var/lib/ganglia#
All nodes and gmetad server are on the same vlan.
I only recieve nodegpu01 and node01 info, but if I stop gmond on node01 I start receiving from node02. If I stop node02 I start receiving from node03, and so on.
I do not understant what is happening, everithing was working fine until yesterday, when I restarted gmetad host.
data from nodegpu01 is being received and plotted fine.
What is going on here?
Thanks.
Marc
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Joan Marc Riera Duocastella
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Av. Diagonal, 177, planta 9 08018 - BARCELONA
Telèfon +34 93 238 14 00 Fax +34 93 309 31 88
www.barcelonamedia.org
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