I’m currently running HA on a Pi3… it works fine, but it’s now a single point of failure.
I have some new hardware arriving to run VMs in and was intending to move HA to it, but now I’m wondering if I can have HA in 2 places for fault tolerance.
I’m aware that there’s no built-in failover options, but has anyone done something similar?
HA might be possible in a active passive configuration if you don’t have any dependencies on external hardware like a zigbee stick. Active active would need support by HA and I don’t think that is implemented.
I think the most secure thing is to keep regular backups so you can roll back easily.