[Sheepdog] HOW SHEEPDOG TALK TO EACHOTHER ?

[MORITA Kazutaka]

At Wed, 12 Jan 2011 12:30:36 +0100,
Sonali Jadhav wrote:
> 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

Please use the same mcastaddr value from the multicast address space.

For example,

On server 1,
  bindnetaddr: 192.168.1.2
  mcastaddr: 226.94.1.1

and

On server 2,
  bindnetaddr: 192.168.1.3
  mcastaddr: 226.94.1.1

Thanks,

Kazutaka


> 
> 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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