Hi,

sorry for the late reply.
Oh ok those were the problematic ports. Good to know thanks!
Unfortunately and at least for now this monitoring page will only be accessible 
inside the private network. The only ports open for the outside world are the 
gmond ones. Sorry. If this changes I'll let you know.

Cumprimentos / Best regards,
Cristóvão José Domingues Cordeiro

________________________________________
From: Bernard Li [bern...@vanhpc.org]
Sent: 24 January 2014 19:49
To: Cristovao Jose Domingues Cordeiro
Cc: ganglia-general@lists.sourceforge.net
Subject: Re: [Ganglia-general] multiple clusters with just one collector

Yes, 8651 and 8652 are reserved ports for gmetad, you can start from
port 9000 to avoid this issue :-)

Glad that you got it working...  are you guys planning to make your
monitoring page public?  It would be cool if we can reference it
somewhere :-)

Cheers,

Bernard

On Fri, Jan 24, 2014 at 12:47 AM, Cristovao Jose Domingues Cordeiro
<cristovao.corde...@cern.ch> wrote:
> Thank you for your replies Bernard and Shekar.
>
> Actually in the meanwhile I managed to make it work. For those who might want 
> to do the same here's what I did:
>
>  · Stop gmond and gmetad, and clean the RRD database in the collector (I was 
> getting unspecified clusters and cached information so this was a clean start)
>
>  · I have 5 clusters so I've created 5 gmond.conf files - 
> gmond-cluster1.conf, gmond-cluster2.conf...etc. In these files I've set up 
> the cluster name, both udp and tcp ports to the same number, and the hostname 
> in the udp_send_channel to 'localhost'
>
>  · In gmetad.conf I set up a grid name (not necessary but better to have a 
> cleaner UI)
>
>  · Still in gmetad.conf I have created 5 data_sources, one for each cluster:
>           data_source "Cluster A" localhost:portA
>           data_source "Cluster B" localhost:portB
>           ...
>    Note that these ports and cluster names match those in the gmond files 
> I've created earlier.
>
>    I had some problems with the ports, some clusters were not appearing if 
> they were using port 8651 for instance, but I just changed the port and they 
> worked...I am not sure why, I don't think this port numbers are 
> restricted...but well, if someone knows why, tell me please
>
>  · Then I just daemonized the 5 gmonds like this:
>            # deamon gmond -c /etc/ganglia/gmond-clusterA.conf
>            # .....
>
>  · Finally, I just started gmetad and now it's running fine. To add more 
> clusters I just need to, in this order, daemonized the new gmond for that 
> cluster and restart gmetad.
>
>
> Hope this helps someone in the future ;)
>
> Cumprimentos / Best regards,
> Cristóvão José Domingues Cordeiro
>
> ________________________________________
> From: Bernard Li [bern...@vanhpc.org]
> Sent: 24 January 2014 04:49
> To: Cristovao Jose Domingues Cordeiro
> Cc: ganglia-general@lists.sourceforge.net
> Subject: Re: [Ganglia-general] multiple clusters with just one collector
>
> Hello:
>
> To accomplish what you want to do, I believe you have two options:
>
> 1) Run multiple gmonds, on the master collector, each one listening on
> different ports
> 2) Have one gmond but have multiple udp_recv_channels listening on
> different ports
>
> It might help if you also post your configuration somewhere and
> reference it here (eg. pastebin or some such).
>
> Please let us know if you have any other questions.
>
> Cheers,
>
> Bernard
>
> On Thu, Jan 23, 2014 at 5:08 AM, Cristovao Jose Domingues Cordeiro
> <cristovao.corde...@cern.ch> wrote:
>> Hi,
>>
>> I found some similar posts in this mailing list but unfortunately none can
>> solve my situation.
>>
>> Basically, I want to have just one collector to multiple clusters.
>> As far as I understood I need to have multiple gmonds in my headnode, and so
>> I do.
>>
>> I have in my collector:
>> gmetad.conf:
>>   data_source "clusterA" localhost
>>   data_source "clusterB" localhost:8650
>>
>> gmond-clusterA.conf and gmond-clusterB.conf, each one with their ports,
>> hosts and cluster names defined, pointing to localhost.
>>
>> I also issued the daemon:
>> gmond -c gmond-clusterA.conf
>> gmond -c gmond-clusterB.conf
>>
>> But  this doesn't work. I end up with my web interface just showing an
>> 'unspecified' cluster and 'clusterA'... not clusterB.
>>
>> Any thoughts? thanks
>>
>> Cumprimentos / Best regards,
>> Cristóvão José Domingues Cordeiro
>>
>>
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