Matthias Blankenhaus wrote:
> Sturgis,
>
> I have seen flaky behaviour when using the standard Ganglia configuration,
> which is based on multicasting. I recommend changing to unicasts. Search
> the documentation and this list to find examples.
>
So I attempted to convert to unicasting, and am baffled.
On the node's gmond.conf I changed
udp_send_channel {
mcast_join = 239.2.11.71
port = 8649
}
to
udp_send_channel {
host = <ip-of-master>
port = 8649
}
and on master, which is running gmetad and web server, gmetad.conf says:
data_source "Our Linux Cluster" localhost
tcpdump says that the node is sending data to the master, and when I
telnet master 8649 I see data for the node.
The problem is the Ganglia web page is showing the node as being down.
Did I miss something? What can I do to troubleshoot?
Thanks for your suggestions.
Grant
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