[Openstack] HA(High Availability ) mode - OpenStack

Gowri LN gowri.ln123 at gmail.com
Mon Oct 13 14:40:27 UTC 2014

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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack/attachments/20141013/f9a1ddce/attachment.html>

More information about the Openstack mailing list