Open Stack

I was refering to the HA mode of deployment with multiple computes and not
HA of VM s and the need of 3 Computes in particular . But Thanks a lot for
the information.

Just curious, Why odd numbers ? :)

On Tue, Aug 26, 2014 at 12:54 AM, Radek Smigielski <
radek.smigielski at ymail.com> wrote:

>
>
> On Monday, 25 August 2014, 10:04:20, Gowri LN <gowri.ln123 at 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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