On Tue, Mar 04, 2003 at 09:47:31AM -0800, Julia Wang wrote:
> Hi, All:
>
> Can I install Ganglia on a running Oscar-2.1 cluster (both the server
> and client nodes)? If yes, is there any existing installation
> instructions?
>
> I downloaded Ganglia package using OPD. The ganglia/README file only
> says that the tarball should be expanded in the Oscar distribution
> tree prior to the start of the Oscar install process and the packages
> will be picked up by the Oscar install suit, SIS.
>
> Any help are appreciated.
>
> Regards,
> Julia
>
Yes, it is possible to install this after the install it is just not as easy. :-)
The client nodes should just need ganglia-monitor-core-gmond rpm installed.
The server/head node will need that plus the ganglia-monitor-core-gmetad,
rrdtool-oscar, ganglia-webfrontend rpms. For optional command line access to the
ganglia data stream (monitored stats) you can also install the the ganglia-python-oscar
rpm. Once you have done that take a look at what the post_server_install and
gmond_add_internal.sh scripts do. Both of these can be found in the
packages/ganglia/scripts directory. You can actually run the gmond_add_internal.sh
script but you have to have the OSCAR_HEAD_INTERNAL_INTERFACE environment variable
set (this corresponds to the internal interface you passed to the oscar installer
program (install_cluster)). The post_server_install also turns on some things like
the apache web server and etc. You can also make some additional alterations to
the defaults set in the /etc/gmond.conf and /etc/gmetad.conf files (naming your
cluster and etc).
There should be little or no configuration to do on the client/compute nodes unless
they have dual network interfaces. If they do you should specify the correct internal
interface in their /etc/gmond.conf file also (like the gmond_add_internal.sh script
does on the head node).
I would also encourage you to take a look at the excellent documentation available
on the ganglia.sf.net site too. There is a LOT of good info there too.
--
Steven A. DuChene [EMAIL PROTECTED]
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