Hello All,
I'm new to the Ganglia scene, but I've been working on installing it as part of
a project now. I've built the latest Ganglia software (3.6.1 at time of
writing) from source on CentOS 6.5 and the build seemed to go fine, no major
issues that I saw. I am using multicasting as the send/recv method and have
limited the multicasting to the a cluster's private network interface.
I start up gmond on the aggregator node (which happens to the be cluster master
node) and start up the gmond daemons on the client machines. I think proceed to
start gmetad to view the metrics via web browser and for the first 3 minutes or
so, it appears Ganglia is working perfectly, getting the correct numbers and
such. However, after about 3 minutes, the web interface and gstat command
report that all my client nodes are down. The aggregation node remains active.
I've been unable to determine the root cause of this. However, if I restart the
gmond daemon on the aggregator, the client nodes come back for approximately 3
minutes again before going into the 'dead' state?
The configurations are nearly standard with only minor changes which seem more
like descriptive entries and not operational entries. I only changed the
cluster{} block. The filesystem where gmond is from is common and therefore the
same configuration file is used for all nodes. I'm not too worried about the
host{} block to describe location right now.
Does anybody have any helpful pointers and/or suggestions on where to look for
an issue or a misconfiguration?
Thanks everyone!
Jared
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