[Sheepdog] HOW SHEEPDOG TALK TO EACHOTHER ?

[Sonali Jadhav]

Hi there..!!

We have 2 physical servers. On each we have installed centos 5..5 with KVM support.
And also on both servers we have installed sheepdog....but now our concern is how these two will know/talk to each other..?

I assume that corosync cluster is used to communicate with each other but I don't know what configuration i should do so both sheepdog servers will communicate each other.
I have used default configuration shown on http://wiki.qemu.org/Features/Sheepdog/Corosync_Config . As per this link only thing I have changed in this file is as follows,
On server 1,
bindnetaddr: 192.168.1.2
mcastaddr: 192.168.1.2

and

On server 2,
bindnetaddr: 192.168.1.3
mcastaddr: 192.168.1.3

NOTHING ELSE I HAVE CHANGED..I KEPT IT SAME AS SHOWN IN http://wiki.qemu.org/Features/Sheepdog/Corosync_Config .

When we run following,
[test at box1 ~]# collie cluster info
running
Ctime                Epoch Nodes
2010-09-06 19:36:00      1 [192.168.1.2:7000]

===================================================

[test at box2 ~]# collie cluster info
running
Ctime                Epoch Nodes
2011-01-12 19:40:20      1 [192.168.1.3:7000]
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