Hi,
I use ganglia to monitor the clusters I work with for some years and I love
it! I thinks there's no software like this in the entire planet, not to do
what it does. :-)
I have a very complicated configuration, where I run multiples gmetad on one
server, monitoring some clusters. I have done this because I need to view
every cluster individually and it gives me the flexibility to change servers
or move the configuration without great impact.
It worked pretty well until I upgraded to the new version... I created
another server, to replace the old one, and installed the latest ganglia
version, 3.0.7.\
In this new server, some clusters/grids keeps alternating the node status
from all down to all up. Seeing the error_log from apache, when it turns all
nodes to down the following message appears:
PHP Notice: Undefined index: HOSTS_UP in /var/www/html/cluster_view.php
on line 25,
Note I have each gmetad webfrontend in a separated directory under
/var/www/html and the port numbers are different for each source and the
multcast channel for the gmond is different too.
I have some guys looking at the network, but must of this nodes are on the
same vlan on a Cisco network infraestructure. This problem can be cause by
network?
Maybe I have done something wrong, but I have turned all my configuration
upside down and I doesn't found what is wrong!
Thank you in advance for any help.
Regards,
----
Leandro Tavares Carneiro
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