Re: [Ganglia-general] A gmetad question

[Joe G. <joe...@ms...>]

Thanks Matt,

I'll try the ginsu knife :-)

Joe


matt massie wrote:
> Today, Joe Griffin wrote forth saying...
> 
> 
>>Can I have different groups if the nodes are on
>>the same cluster (ie the first 3 parts of the IP address are the same)?
> 
> 
> ganglia is both a ginsu knife and super glue for clusters without the 3
> easy payments of $19.95.
> 
> ginsu knife
> -----------
> to split up a cluster into groups simply change the multicast channel the
> nodes are sending/receiving messages on in /etc/gmond.conf (for example)
> 
> mcast_channel  239.2.11.101
> 
> this will make the gmond on the node listen for other gmond's on the 
> 239.2.11.101 multicast channel and no others.
> 
> in gmetad then,  you just pick one of more nodes from each group and add 
> them to the gmetad_sources file.  
> 
> super glue
> ----------
> you may also want to merge together smaller clusters separated by 
> unicast-only routes into a single cluster.  in that case, simple set the 
> name of each cluster to be the same in /etc/gmond.conf (for example)
> 
> name "My Cluster with Nodes All over the Place"
> 
> when gmetad pulls the data from all the different data sources it merges 
> all clusters with the same name together.
> 
> make sense?
> -matt
> 
> 
> 
>