On Monday, 25 August 2014, 10:04:20, Gowri LN <gowri.ln...@gmail.com> wrote:
> Can anyone suggest me where I can get information about how HA is implement 
> is compute node ? 
I am guessing, you are looking for HA of the guest VMs, is that correct?
I am afraid OpenStack does not offer HA for guest VM in this moment. 

> I know that minimum 3 controllers are required to configure HA mode but my 
> question is,
> if I add more compute nodes as well will my cluster be more stable?
> Are the VM s replicated over compute nodes?

The number 3 is a generic, minimum HA cluster requirement. It helps establish 
quorum of the cluster. It's always good to have odd number of cluster members. 
- Radoslaw Smigielski 


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