Use idle backup servers

Laurent Dumont laurentfdumont at gmail.com
Tue Mar 8 00:58:37 UTC 2022


Yes

   - keepalived for the VIP failover
   - haproxy for the load balancer portion

Openstack works the same way. Depending on the deployment scenario, some
services are active on all three and others are active on only one
controller. They will dynamically failover between controllers if one of
them stops working.

On Mon, Mar 7, 2022 at 6:09 AM A Monster <amonster369 at gmail.com> wrote:

> Is there a way to use multiple servers as backup  but these servers stay
> idle until the main server fails
> for example two controller servers but only one of them which is running
> services, and in case this main server fails, the cloud switches to the
> other server.
>
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