Problem solved.
On 06/30/2010 10:57 PM, quanta wrote:
> Hi all,
>
> I have somes questions about Ganglia:
>
> 1. As I mentioned in the subject, can I group 192.168.3.x and
> 192.168.7.x into a cluster?
Yes, you can.
> On the otherhand, why do sometimes some strange hosts (same subnet)
> automatically appear in my cluster and some gmond nodes don't appear?
Because of mcast_join option in config file.
>
> 2. Why did I get the following error if I change *mcast_join*
> option in *gmond.conf* to host running gmetad?
>
> * # gmond -d 10
> udp_recv_channel mcast_join=192.168.7.63 mcast_if=NULL port=8649
> bind=192.168.7.63
> Error creating multicast server mcast_join=192.168.7.63 port=8649
> mcast_if=NULL family='inet4'. Exiting.
> *
You should use *host* instead of *mcast_join* option, like below:
On every nodes:
*udp_send_channel {
host = 192.168.3.140
port = 8649
}
tcp_accept_channel {
port = 8649
}*
192.168.3.140 is head gmond node with the following configuration:
*udp_send_channel {
host = 192.168.3.140
port = 8649
}
udp_recv_channel {
port = 8649
}
tcp_accept_channel {
port = 8649
}
*Remember to remove all lines related to mcast_join.
And on gmetad:
*data_source "cluster_name" 192.168.3.140*
> **
> 3. Which is the correct method to add *data_source* in
> *gmetad.conf*: specify multiple gmond nodes like:
> *data_source "7x" localhost 192.168.7.x:8649, ...*
>
> or add only one "primary" gmond node (same to Blue Cluster in
> the following example:
> http://www.ibm.com/developerworks/wikis/display/WikiPtype/ganglia)
See above answer.
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