Active Standby

[keydee]

We have two gateways and one manager in our setup. The deployment is distributed and hosted in a popular cloud environment. Given our setup, if the two gateways goes down, can we add a standby vm wherein either gateway 1 and gateway2 goes down at the same time or either one goes down, the standby/passive vm will be enabled. Is that possible in our setup? two gateways when goes down the third vm will become active. How can we set this up in our environment?

what are the requirements

what kind of configuration do we need to make this successful

[PhoneBoy]

To be honest, I'm not sure this will give you better redundancy than, say, an autoscale configuration, which is supported in popular cloud environments.
We also have templates for these configuration.

Traditional clusters can only be two members in public cloud.