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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?
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