Hi Nagaraj:

On Mon, Jun 21, 2010 at 5:27 AM, Nagaraj Panyam <[email protected]> wrote:

> What is the way to get gmond to start monitoring dropped packet rates
> (the same as listed by netstat -i and ifconfig) ?

You can either use gmetric or the Python metric module interface:

http://sourceforge.net/apps/trac/ganglia/wiki/ganglia_gmond_python_modules

> So far our gmond is monitoring default metrics in gmond.conf .
> If I now start a new metric (say pkt_rx_drop), then will the historical
> rrd data get messed up?

Nope, a separate rrd file is created for each metric per host -- they
are stored in /var/lib/ganglia/rrds.

Cheers,

Bernard

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