Hi Manuel:

Can you please clarify whether you are trying to setup Ganglia with
unicast or multicast?

You can also get more troubleshooting information by running
gmetad/gmond in debug mode (-d 2) and looking at your apache error
logs.

Cheers,

Bernard

On Tue, Dec 21, 2010 at 12:19 PM, Tarabas <[email protected]> wrote:
> Hi Bernard,
>
> well it seems I was to quick to celebrate ... I just happened to get
> the webinterface to show the clusters as a grid-overview only once and
> only by chance as it seems.
>
> After reloading, the same behaviour as before occurs, that
> it seems that the web-interface mixes up the clusters.
>
> I now configured the gmond's to 8649 (local server with gmond and
> gmetad) and 8660 (gmond remote) as well as 2 more gmond's at 8661 and
> 8662
>
> You can observe the behavior at:
> http://212.91.236.254/ganglia/
>
> The following address is a sample of a cluster that gets metrics but
> does not show in the list and seems to mix up the hostnames with the
> first Cluster, that is the only one of 4 clusters that is working:
>
> http://212.91.236.254/ganglia/?c=eva&m=cpu_report&r=hour&s=descending&hc=4&mc=2
>
> Do you have any other advice I can try to fix this web-frontend problem?
>
> Best regards
> Manuel R.
>
> Tuesday, December 21, 2010, 8:33:29 PM, you wrote:
>
> BL> Hi Manuel:
>
> BL> This is a common misconception of Ganglia.  In order for hosts to show
> BL> up as different clusters, they will need to cluster on different
> BL> ports.  In your case, you can try changing gmond.conf for server-B to
> BL> use port 8650 instead.  Re-start gmond and then point gmetad to that
> BL> port as well and you should have 2 clusters instead of one.  Remember
> BL> not to use ports 8651 and 8652 as these are gmetad reserved/default
> BL> ports.
>
> BL> Good luck,
>
> BL> Bernard
>
> BL> On Tue, Dec 21, 2010 at 8:53 AM,  <[email protected]> wrote:
>>> Hello,
>>>
>>> I have a strange problem with my fresh ganglia install.
>>>
>>> I installed gmond/gmetad on one Server (server-A)
>>> I installed gmond on another Server (server-B)
>>>
>>> Gmond-Config on "server-A" is:
>>>
>>> cluster {
>>> name "server-A"
>>> [...]
>>> }
>>>
>>> udp_send_channel {
>>>  host=<ip-of-server-A>
>>>  port = 8649
>>>  ttl = 1
>>> }
>>>
>>> udp_recv_channel {
>>>  port = 8649
>>>  bind = <ip-of-server-A>
>>> }
>>>
>>> tcp_accept_channel {
>>>  port = 8649
>>>  bind = <ip-of-server-A>
>>> }
>>>
>>> Gmond-Config on "server-B" is:
>>>
>>> cluster {
>>>  name = "server-B"
>>>  [...]
>>> }
>>>
>>> udp_send_channel {
>>>  host=<ip-of-server-B>
>>>  port = 8649
>>>  ttl = 1
>>> }
>>>
>>> udp_recv_channel {
>>>  port = 8649
>>>  bind = <ip-of-server-B>
>>> }
>>>
>>> tcp_accept_channel {
>>>  port = 8649
>>>  bind = <ip-of-server-B>
>>> }
>>>
>>> Gmetad-Config on "server-A" is:
>>>
>>> data_source "clusterA" <ip-of-server-A>:8649
>>> data_source "clusterB" <ip-of-server-B>:8649
>>>
>>> Now the sending seems to work, server-A and server-B get queried by the 
>>> gmetad and the rrd files are created according to the expected cluster 
>>> configuration. I verified this by telnetting to the gmond's on the two 
>>> machines and to the gmetad. Both Clusters are shown correctly in the 
>>> gmetad-xml and all hosts of the clusters (always just one host) are also 
>>> shown correctly.
>>>
>>> When i now open the Web-Interface, I get the server-B-Cluster preselected 
>>> and cannot change the cluster. In the hosts dropdown I can see the one host 
>>> for the server-B cluster correctly.
>>>
>>> When I manually change the url I will get correct results if I use 
>>> "c=server-A" and "h=host.for.server-A", since the gmetad correctly created 
>>> the RRDs. But the bottom graph on the page is broken in this case and
>>> shows "c=server-A&h=host.for.server-B" which of course will not work.
>>>
>>> It somehow seems, that the web frontend cannot correctly read the 
>>> information from the gmetad in some way and cannot render it correctly 
>>> although when i look at the xml, it seems correct.
>>>
>>> There are no Errors in either gmond or gmetad shown at debug level and i 
>>> will only get an error in the webserver logfile, that the rrd for the wrong 
>>> host cannot be found.
>>>
>>> Can anyone help me with this strange problem?!
>>>
>>> Best regards
>>> Manuel R.
>>>
>>> ------------------------------------------------------------------------------
>>> Forrester recently released a report on the Return on Investment (ROI) of
>>> Google Apps. They found a 300% ROI, 38%-56% cost savings, and break-even
>>> within 7 months.  Over 3 million businesses have gone Google with Google 
>>> Apps:
>>> an online email calendar, and document program that's accessible from your
>>> browser. Read the Forrester report: http://p.sf.net/sfu/googleapps-sfnew
>>> _______________________________________________
>>> Ganglia-general mailing list
>>> [email protected]
>>> https://lists.sourceforge.net/lists/listinfo/ganglia-general
>>>
>
>
>
> Gruss ... Manuel ...
>
>

------------------------------------------------------------------------------
Forrester recently released a report on the Return on Investment (ROI) of
Google Apps. They found a 300% ROI, 38%-56% cost savings, and break-even
within 7 months.  Over 3 million businesses have gone Google with Google Apps:
an online email calendar, and document program that's accessible from your 
browser. Read the Forrester report: http://p.sf.net/sfu/googleapps-sfnew
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