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

2017-04-27 Thread Adam Spiers
Wei Hui wrote: Liyuenan (Maxwell Li) wrote: Hi, all I have some questions about OSA project. [snipped] 2. Could OSA support compute node high available? If my compute node down, could the instance on this node move to other nodes? 2. As far as I know, OSA don't support compute nod

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

2017-04-26 Thread Andy McCrae
Hi Maxwell, > > 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? > Take a look at: https://docs.openstack.or

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

2017-04-26 Thread Wei Hui
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 trigge

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

2017-04-26 Thread Liyuenan (Maxwell Li)
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