Multiple instances of HA

CORE
#1

Is it possible to connect Zwavejs2mqtt to multiple instances of HA from within Core?

I’ve got a second instance of Home Assistant, running not on CORE.
Main Home Assistant on a Synology NAS
Secondary Home Assistant on CORE
Zwavejs2mtt on CORE.

I’ve already connected zwavejs2mqtt to the secondary Home Assistant via websocket (much thanks to April and Marcus for their help).

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My main instance sees that there is a zwavewjs2mqtt instance on CORE, but is unable to connect to it. I’ve tried a few different combinations of multiple IP addresses in the Server Host box (above).

Is it possible?

#2

I run HAOS on an rPi, connected to Core using the MQTT integration. Worked out-of-the-box for me with these settings (substitute your IP/username/password)

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#3

Thanks, but I’m referring to the zwavejs integration in HA that automatically imports devices. My main HA instance sees is there, but won’t connect.

#4

The MQTT integration will also import devices automatically. Not sure if there’s a performance difference between the two… I can say that for me, I see no observable delay/lag with the MQTT integration. Every action is instantaneous.