[one-users] HA vs LB for OpenNebula controller

[Gandalf Corvotempesta]

2012/10/15 Carlos Martín Sánchez <cmartin at opennebula.org>:
> You can't have 2 different OpenNebula daemons managing the VMs, because all
> the data is cached, and that would cause inconsistency issues.
> Both of them will try to monitor the VMs and Hosts, and the schedulers will
> deploy VMs without any synchronization.
>
> Is there any reason you need to do that? I always assumed the opennebula
> start time is waaaay too low to consider this need.

The proper way to have OpenNebula controller in HA is to create a
second OpenNebula frontend, but with no OpenNebula running and
ucarp/heartbeat to manage the failover?
When master fails, ucarp will start opennebula on the slave host?

And for load balancing?