On 1 Aug 2006 at 23:01, Bernard Li wrote:
> Hi John:
> Can you check your headnode's /etc/gmond.conf to see if it has the correct
> port number entries? It should get modified during the <Install OSCAR Server
> Packages> step.
Yes, just to confirm, I did a complete reinstall, all steps in order.
In step 2, ganglia, I set both port fields to 8659 (old+10 is that ok?)
At the end of the install, the headnode's /etc/gmond.conf contained:
/* Feel free to specify as many udp_send_channels as you like. Gmond
used to only support having a single channel */
udp_send_channel {
mcast_join = 239.2.11.71
port = 8659
}
/* You can specify as many udp_recv_channels as you like as well. */
udp_recv_channel {
mcast_join = 239.2.11.71
port = 8659
bind = 239.2.11.71
}
/* You can specify as many tcp_accept_channels as you like to share
an xml description of the state of the cluster */
tcp_accept_channel {
port = 8649
}
and all the nodes' /etc/gmond.conf still contained 8649 in all 3 locations.
(Sorry, did a simple edit-in-place, and didn't keep the original for "proof" :-)
> I did a quick test, and it doesn't appear that this modfication of the port
> numbers get propagated to either the image nor to the nodes after the
> <Complete Cluster Setup> step.
>
> Sounds like a bug need to be filed :-)
>
> Thanks,
>
> Bernard
>
> ________________________________
>
> From: [EMAIL PROTECTED] on behalf of John Meskes
> Sent: Tue 01/08/2006 09:07
> To: Bernard Li; [email protected]
> Subject: Re: [Oscar-devel] ganglia/gmond alternate port
>
>
>
> On 31 Jul 2006 at 17:50, Bernard Li wrote:
>
> > Hi John:
> > What exactly are you trying to do?
>
> The other cluster that I finished last month is on the same physical network,
> so need to choose a different port number so ganglia doesn't see them.
>
> > After you made the changes, did you run "Complete Cluster Setup"? As
> > far as I know the configuration step is only used during the initial
> > deployment and I am pretty certain that some of the changes require you
> > to re-run the post_install step ("Complete Cluster Setup") to take
> > effect.
>
> I reinstalled very carefully this time. I think previously I missed the second
> port number entry on the ganglia config screen (could that screen be
> enlarged so scrolling is not necessary?)
> After Complete Cluster Setup, the ganglia webpage still did not see the
> nodes. I also re-ran Complete Cluster Setup, both in the current session,
> and after quit, logout, login, oscar_wizard, but still no nodes showed up.
> I had to edit the port under udp_send_channel (only) on each node and
> restart gmond on all nodes, then they all showed up on the webpage.
> [perhaps it is not pushing gmond.conf to the nodes?]
>
> > You might also be interested in enabling the per-image ganglia gmond
> > option.
>
> I only have one image on this (suse) cluster, and it is a different frontnode
> from the other (CentOS) cluster. Different subnets too, just happens to be
> on the same switch.
>
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED] On Behalf
> > > Of John Meskes
> > > Sent: Monday, July 31, 2006 15:27
> > > To: [email protected]
> > > Subject: [Oscar-devel] ganglia/gmond alternate port
> > >
> > > Has anyone tried entering an alternate port number to 8649 in Step 2
> > > configure selected OSCAR packages, Ganglia.
> > > It changes the udp_send_channel on master, but nothing else, and no
> > > difference is seen on the ganglia webpage. I then manually changed
> > > /etc/gmond.conf udp_recv_channel port as well, plus changed
> > > all 3 port
> > > references in that file on all the nodes, now the webpage
> > > only shows this
> > > cluster.
>
>
>
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