Hi Nigel:

On Mon, Apr 21, 2008 at 4:03 AM,  <[EMAIL PROTECTED]> wrote:

> I have a Ganglia header node (lons9999.uk.domain) based in London, receiving
> data from grids in other international locations (and domains). I have some
> lines in its gmetad.conf like this
>
> data_source "London Grid"        lons1234
> data_source "Paris Grid"        pars1234.fr.domain
> …
>
> This all works well when starting up a web front end on a London workstation
> via http://lons9999.uk.domain/ganglia.
>
> However, when I start up a web front end in Boston (on bost1234.us.domain)
> via http://lons9999.uk.domain/ganglia, links through to the Paris grid work,
> but not those to the London grid. This seemed logical enough, and I changed
> the gmetad.conf on lons9999.uk.domain to look like this
>
> data_source "London Grid"        lons1234.uk.domain
> data_source "Paris Grid"        pars1234.fr.domain
> …
>
> and restarted, gmetad and httpd.
>
> Unfortunately this had absolutely no effect. When I hover over the grid
> snapshots for "London Grid" I still get lons1234, whereas "Paris Grid" shows
> pars1234.fr.domain.
>
> The Ganglia servers are running Linux with Apache, and my web browsers are
> IE running on XP workstations. Ganglia version is 3.0.5.
>
> Is this a limitation on my Ganglia or Webserver knowledge?
>
> Any help would be very much appreciated.

If I understand your configuration correctly, you might want to take a
look at the authority directive in your London Grid's gmetad.conf and
make sure that it is using the FQDN, then restart gmetad and see if
this helps.

Cheers,

Bernard

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