Hi All, I hope you are well.
I have a question about what you guys have in place to provide redundancy of the HA system in case of the following failures: RPi failure (e.g. SD memory corruption), failure after the update and reboot.
IMHO it would be good to have a secondary system in place and the configurations synced like daily. In case one goes the other one can take over.
Not sure about dongles if they ever fail.
#HA system redundancy/Fail-Over
magic remnant
azure glade
My "failover" consists of HA running inside a VM on Proxmox VE and a ethernet coordinator.
If hardware fails I can run it on another node. If software fails I can restore a snapshot or backup.
Coordinators can fail, sure, but I'm not sure you can make that more highly available than having a spare.
flat ginkgo
You can reduce the likelihood of a Pi's SD card failing by using an SSD as a data disk: https://www.home-assistant.io/faq/#is-usb-boot-for-the-raspberry-pi-4-supported