What you need to do is specify one from each cluster, maybe a few more
for redundancy, but you don't need each and every one. Everything with
common metad ports will broadcast to the rest of it's cluster, and you
need to get the data from only one of those machines..
Foster, Scott (MS) wrote:
Ah that makes sense.
But if I'm running gmond on each node in the subcluster do I need to specify
each of them as datasources? I'm not sure that makes sense especially if I
have 1000 nodes each running gmond. I know I'm missing something here and I
appreciate all your continued help.
Scott
-----Original Message-----
From: Bernard Li [mailto:[EMAIL PROTECTED]
Sent: Tuesday, November 02, 2004 10:09 AM
To: Foster, Scott (MS); Sean Dilda
Cc: [email protected]
Subject: RE: [Ganglia-general] Multiple clusters single gmetad
Hi Scott:
The different ip addresses showing in gmetad.conf is not the ip address
of the server running gmetad but instead one of the node (the headnode
of that subgroup, if you may), which runs gmond.
Check the syntax of the data_source tag, the ip/hostname listed there
refers to one or all the nodes in that subgroup/datasource.
Cheers,
Bernard
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On
Behalf Of Foster, Scott (MS)
Sent: Tuesday, November 02, 2004 9:14
To: Sean Dilda
Cc: [email protected]
Subject: RE: [Ganglia-general] Multiple clusters single gmetad
How does that work with the gmetad having 3 different IP
addresses? My goal was to have one server running gmetad,
rrd, and apache. Do I have to have gmetad running on another
system to break my cluster into sub-clusters?
Thanks for the earlier reply. I appreciate it.
Scott
-----Original Message-----
From: Sean Dilda [mailto:[EMAIL PROTECTED]
Sent: Monday, November 01, 2004 5:14 PM
To: Foster, Scott (MS)
Cc: [email protected]
Subject: Re: [Ganglia-general] Multiple clusters single gmetad
On Mon, 2004-11-01 at 17:47, Foster, Scott (MS) wrote:
I've successfully setup ganglia (thanks to everyone on this
list), but now I want to try and break out our cluster into
smaller sub clusters.
1) Production Nodes
2) Remote Nodes
3) Test Nodes
I'm trying to do all this with one server running gmetad
for all the nodes in the cluster regardless of their
different status. Is this even possible?
I've been playing with different multicast addresses and
xml addresses and haven't had much success. Has anyone ever
tried this before?
Yes, this is possible, I'm currently running ganglia like
this. I have a different gmond.conf for each subcluster.
The only thing that changes between the gmond.conf's is the
"name" and "mcast_channel", all other settings are the same.
As for the gmetad.conf, here's the crucial part of it:
data_source "Head Cluster" 300 10.10.1.19 data_source
"Storage" 300 10.10.1.1 data_source "Monitor" 300 localhost
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