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List:       npaci-rocks-discussion
Subject:    ganglia not working
From:       prindle <prindle () uw ! edu>
Date:       2022-01-06 21:34:20
Message-ID: 583d2fc1-0a32-8b8b-0cf6-8ec08ee4127a () uw ! edu
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    Hi,

    We have a rocks 7 cluster. Ganglia started reporting a few nodes down 
even though gmond was running
on them. Restarting gmond on the nodes didn't help. I restarted gmond 
and gmetad on the head node and
now no nodes at all show up in the ganglia web page, not even the head 
node. I am at a loss how to fix this.
Is it possible this is a firewall issue? We haven't changed that in a 
long time. Probably a red herring, but one
of our Dell PowerConnect 6248 switches failed and had to be replaced. I 
think ganglia was falsely reporting
a few nodes down before this happened but I'm not sure. Any 
help/suggestions how to get ganglia back are
appreciated.

            Thanks,
            Duncan


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