Hi Hiram !
Before trying multicast I would try to use unicast
in gmond.conf. It's possible that your network
environment (e.g. switch) does not handle IP multicasting
properly.
For unicast the logic has to be that your gmond sends itself
data. For instance:
gmond.conf:
....
udp_send_channel {
host = mitzie
port = 8649
}
/* You can specify as many udp_recv_channels as you like as well. */
udp_recv_channel {
port = 8649
}
Then issue a
> telnet mitzie 8649
You should get a reply with lots of XML tags.
Once you get the unicast going, then move to IP multicasting if
necessary.
Hope that helps,
Matthias
On Tue, 20 Feb 2007, Hiram Clawson wrote:
> Thanks Seth and Ben for the advice. I can run both gmond and
> gmetad in debug mode. gmond says it is collecting data and
> sending messages (who is it sending them to ?)
>
> gmetad starts up and says:
> [EMAIL PROTECTED] rrds]# pwd
> /var/lib/ganglia/rrds
> [EMAIL PROTECTED] rrds]# ls -la
> total 16
> drwxr-xr-x 2 root root 4096 Jun 19 2006 .
> drwxr-xr-x 3 root root 4096 Feb 17 21:26 ..
> [EMAIL PROTECTED] rrds]# gmetad -d99
> Going to run as user root
> Sources are ...
> Source: [mitzie, step 10] has 1 sources
> 127.0.0.1
> xml listening on port 8651
> interactive xml listening on port 8652
> cleanup thread has been started
> Data thread -1271288912 is monitoring [mitzie] data source
> 127.0.0.1
> [mitzie] is a 2.5 or later data stream
> hash_create size = 1024
> hash->size is 1031
> hash_create size = 50
> hash->size is 53
>
> And then, for every [interval] seconds it merely says:
> [mitzie] is a 2.5 or later data stream
> [mitzie] is a 2.5 or later data stream
>
> What's up with the "Data thread -1271288912" ? That seems a bit weird.
>
> It never says anything about polling anything, or writing
> any files. Nothing, just all about this data stream version.
>
> I've tried it as user setuid "ganglia" and user "root"
> Same behavior either way. (with appropriate owner on ganglia/rrds/)
>
> My full gmetad.conf spec says:
> data_source "mitzie" 10 127.0.0.1:8649
> gridname "HomeGrid"
> authority "http://localhost/ganglia/";
> trusted_hosts 192.168.1.71 127.0.0.1
> all_trusted on
> setuid off
>
> Anything wrong with that ?
>
> --Hiram
>
> On 2007 Feb 20, , at 8:36 PM, Ben Hartshorne wrote:
> > On Mon, Feb 19, 2007 at 12:02:13AM -0800, Hiram Clawson wrote:
> >> Nothing accumulates in /var/lib/ganglia/rrds/
> >> the directory sits there empty. gmond and gmetad are running
> >> just fine.
> >
> > I'm sure you've already checked this, but just in case, I have to ask -
> > what are the permissions on /var/lib/ganglia/rrds/? Does the user as
> > which gmetad is running have write privs on that directory?
>
>
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