Hi all,
I have set up 3 different clusters all homed in to a gmetad server and
served by a webfrontend. One of the cluster is a Lustre file system with
6 servers. To gather Lustre specific data I use collectl which supports
exporting Lustre data to Ganglia. Collectl is running on each of the
Lustre server alongside with gmond. Collectl feeds exported XML data to
gmond UDP port and the rrd data get delivered back to the gmetad server.
I like to display these data but they don't belong to any metrics
defined. After reading up on how to generate custom graphs, I have
successfully created graphs for them (keying on some existing metrics
like bytes_in/bytes_out) and they are displayed under the Lustre cluster
page. However, when I select the other clusters, they are also being
"shown" with no graphs but with the name of the custom graph report.
That's understandable since they don't have any of the Lustre data.
Under conf.php, the Lustre custom graphs are included under the
$optional_graphs array assignment.
My question: is there a way/option/method to specify the optional graphs
will only show up under a specific cluster? I only want to see the
custom graphs for the Lustre cluster and not the other two.
Any suggestions are appreciated. Thanks.
Steve
Stephen Chu
AT&T Labs CSO
Middletown, NJ
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