[openstack-dev] [Openstack] OpenStack-Ansible HA solution

Wei Hui huiweics at gmail.com
Wed Apr 26 08:54:10 UTC 2017


1. OSA use keepalived to manage VIP.
https://github.com/openstack/openstack-ansible/blob/master/ansible-role-requirements.yml#L25

2.As far as I know, OSA don't support compute node HA.
nova has a feature called evacuate,  but some machenism needed to
detect whether nova-compute was down and trigger evacuate.

On Wed, Apr 26, 2017 at 4:36 PM, Liyuenan (Maxwell Li)
<liyuenan at huawei.com> wrote:
> Hi, all
>
>
>
> I have some questions about OSA project.
>
>
>
> 1.       OSA can install haproxy, but I can not found any other HA solution
> in openstack-ansible-haproxy_server, like keepalived or pacemarker. So how
> to making HAproxy high-available?
>
> 2.       Could OSA support compute node high available? If my compute node
> down, could the instance on this node move to other nodes?
>
>
>
> Thank you!
>
>
>
> Best Regards!
>
> Maxwell Li
>
> maxwelli.com
>
>
>
>
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