Hi,
thanks for the help. Unfortunately my telnet issues have not improved.
I created a gmond.conf file in /etc which has all the suggested inputs.
And restarted the service. No luck.
I put the same file on bambino1 one and tried after restarting the
service and no luck. I get the same negative response when I try to
telnet to 8649 on any of the machines from any other one.
I am getting what I consider anomolous behavious when I start and stop the
service - see below:
root@qgp3:/etc>service gmond start
Starting GANGLIA gmond: [ OK ]
root@qgp3:/etc>service gmond stop
Shutting down GANGLIA gmond: /etc/init.d/gmond: kill: (7394) - No such
process
/etc/init.d/gmond: kill: (7393) - No such process
/etc/init.d/gmond: kill: (7392) - No such process
/etc/init.d/gmond: kill: (7391) - No such process
/etc/init.d/gmond: kill: (7390) - No such process
/etc/init.d/gmond: kill: (7389) - No such process
/etc/init.d/gmond: kill: (7388) - No such process
/etc/init.d/gmond: kill: (7387) - No such process
/etc/init.d/gmond: kill: (7386) - No such process
[ OK ]
root@qgp3:/etc>service gmond start
Starting GANGLIA gmond: [ OK ]
root@qgp3:/etc>service gmond stop
Shutting down GANGLIA gmond: [ OK ]
root@qgp3:/etc>service gmond start
Starting GANGLIA gmond: [ OK ]
root@qgp3:/etc>
Another thing that worries me is that the gmond -help mentions nothing
about config files?
Any other things I might try?
I have the following in my gmond.conf file:
setuid nobody
all_trusted on
mcast_channel 239.2.11.71
mcast_port 8649
mcast_ttl 1
mcast_threads 2
xml_port 8649
num_nodes 22
xml_threads 2
Thanks,
Mark
On Thu, 5 Sep 2002, Joe Griffin wrote:
> Hi Mark,
>
> I have four comments:
>
> 1. Is gmond running on bambino1 as well as on the headnode?
> The "telnet bambino1 8649" should produce output like:
>
> virtue:81) telnet msc1 8649
> Trying 192.168.3.21...
> Connected to msc1.
> Escape character is '^]'.
> <?xml version="1.0" encoding="ISO-8859-1" standalone="yes"?>
> <!DOCTYPE GANGLIA_XML [
> <!ELEMENT GANGLIA_XML (CLUSTER)+>
> <!ATTLIST GANGLIA_XML VERSION CDATA #REQUIRED
> SOURCE CDATA #REQUIRED>
> <!ELEMENT CLUSTER (HOST)+>
> <!ATTLIST CLUSTER NAME CDATA #REQUIRED
> LOCALTIME CDATA #REQUIRED>
>
> ... lines deleted ...
>
> 2. If you are logged on the headnode, can you "telnet $HEADNODE 8649"?
>
> 3. If you are on bambino1, can you "telnet bambino1 8649"?
>
> 4. You mentioned "gmond -ieth1". I assume eth1 is the NIC
> connecting to your cluster. If so, have you put the
> following in /etc/gmond.conf:
>
> mcast_if eth1
>
> Then restart the deamons:
>
> /etc/init.d/gmond stop
> /etc/init.d/gmond start
>
>
> You should be able to an telnet to your headnode (my #2) with
> the 8649 and see all the attached nodes. If you cannot
> it is either because the compute nodes are NOT running
> gmond (my #1) or the gmond on the headnode can't see the
> gmond on the compute nodes (my #4). Trying to do the
> telnet from bambino1 will let you know if gmond is
> running correctly on it.
>
>
> Regards,
> Joe Griffin
> MSC.Software
>
>
>
> Mark Horner wrote:
> > Hi,
> >
> > Ganglia only shows my head node.
> >
> > I am using oscar 1.4b4 on RH 7.3. I have checked that gmond is running on my nodes
> > and on the manager - I have tried gmond -ieth1 to no avail.
> >
> > In a previous posting someone suggested telneting to port 8649 and that a
> > stream of xml data should be visible - this isn't the case :
> >
> >
> >>telnet bambino1 8649
> >
> > Trying 192.168.1.2...
> > Connected to bambino1.phy.uct.ac.za (192.168.1.2).
> > Escape character is '^]'.
> > Connection closed by foreign host.
> >
> > Any suggestions - could it be firewall issue?
> >
>
>
>
--
Mark Horner
Physics Department
University of Cape Town
Rondebosch
7700
South Africa
Phone: +27 21 650 3366 (office)
Phone: +27 83 564 6272 (cellular)
Fax: +27 21 650 3342
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