Matt <[email protected]> wrote: > Is it possible to have different grids of gmonds send data to a single > gmond which has a gmetad running with the web frontend? Then view all > data of grids on that web frontend?
Your question is ambiguous in one sense, and self-contradictory in a more technical (though perhaps less useful sense). The latter sense is simply this: a gmetad is what defines a "grid". A grid is the set of clusters or other grids visible to one gmetad. That gmetad stores its data on disk, and makes it viewable as a grid via the web intereface. However, depending on what you really want, maybe all you want is to have a bunch of separate clusters? > Also if I have one gmond in cluster A sending to a gmond in cluster B, > the gmond in cluster A will show up in cluster B? is this supposed to > happen? Yes: A cluster is defined as "the set of gmond nodes visible via one data source", where the data source is a gmond node that gmetad is configured to poll. That node may be a special collector you've configured other nodes to send their data to, or it may be one of a bunch of nodes that all multicast to each other. Whichever way you go, the cluster is simple "all the nodes that gmond node can see". [email protected] wrote: > We achieve what I think you want to as follows: > > > We have lots of machines running Ganglia gmond, grouped by business > unit. For each business unit, we nominate one of the gmond machines > as a collecter. All of the machines for this 'grid' are set to > report to this collecter by putting the following in their config file: ... what Wayne is describing here is setting up multiple clusters, all in one grid. It sounds like you already know how to do that and that isn't what you want, but you didn't explain what you want separate grids for so I'm not sure. If you really need a hierarchy of grids, then Wayne's solution doesn't do it. If you really need a hierarchy of grids but also really need to be able to view all of them on one central web server, you'll need to hack something to do that. Each grid is a gmetad and its directory tree of RRD files, so you'll need a way to make all of those RRD file trees accessible on one server (NFS, rsync, multiple gmetad's running on different ports in different chroots on the same server, or any other way you like) and then you'll need to configure your Ganglia web to respond to different paths or virtual hostnames for each grid, with each one running the same Ganglia web code but looking to a different RRD tree (which is a simple variable setting in one of the PHP files). -- Cos ------------------------------------------------------------------------------ _______________________________________________ Ganglia-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ganglia-general
