Hi Jared,
can you review
https://github.com/ganglia/monitor-core/wiki/Ganglia-Quick-Start
and let us know if your set up looks similar. If it does please
post top 100 or so lines of the config from your aggregator and
client nodes. Sanitize any names or IPs.
Thanks,
Vladimir
On 12/16/2014 10:49 PM, Jared David Baker wrote:
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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