Any ideas why Lighting Groups are not considered local when the lights themselves might all be local? It seems scenes can make that distinction.
Originally scenes werenāt local either: it took well over a year until they finally fully migrated.
Smartthings has a history of releasing features that are still in development, so my guess is that they will be local eventually, but at the time of this writing, they are not. 
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Sounds about right. I could have sworn that when I tried scenes end of last year they werenāt local. But just before posting the above, I checked again, and they were. Letās hope.
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16 months later and the internet once again goes out for almost 12 hours. Evidently vandals and or stupid copper thieves are into taking down the very robust fiber optic that serves part of southern CA. Anyway, among the issues I had today were:
- Ecobee connection lost once again (required a manual refresh as was done yesterday?) for their network outage. You would think ST would relink automatically, but alas it did not work.
- Sonos seems to have changed their shuffle methodology for local NAS, which is unclear if this is outage related or otherwise, but this took a number of gyrations to do while working with my hotspot to get working locally.
- ST issues. So Iād thought Iād configured most things that could readily be ālocalā execution, but still having issues with some things that āshouldā be local. I guess the question still is if āmanual routinesā aka scenes are still not local. My scenes donāt seem to be local and all they do is open and close shades (which I could not do manually as the switch triggered a scene and not a routine). I guess the question, is there any reason to keep scenes, or should I move everything to routines?
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There was a 3-hour power outage at my internet supplierās premises today.
Today, these devices do not have battery backup.
During the outage, it was a good opportunity to test, how ST Hub works during an outage.
The outage was during the day. I couldnāt test the sunset routines.
Remote controls and wall-mounted buttons controlled the lights and the light strips as normal.
Controls for the lights and the light strips are implemented using local Rules API rules.
MQTT communication ST Hub - MQTT Broker (RPi 4) - HomeAssistant (RPi 4) works during outage. From HAās device history is possible to see that the temperature changes had been updated.
Other MQTT communication also worked during the outage.
HomeAssistant is my backup user interface. I use it about once a week when I go to take a backup of it.
Denver (Tuya) light strip control is not working. The light strip is a WiFi device and is connected via a cloud-to-cloud connection. Maybe itās time to replace it with a Matter device.
Summary:
ST App is totally cloud based and nothing is operating.
The wall-mounted buttons controlled the lights during outage. This is a good solution for local controls. The outlets have push buttons to control devices during outages.
MQTT is a robust communication method. It recovers nicely from any disruptions (e.g. ST hub version updates).
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What Iād really like to be able to do is to execute certain Google routines locally when SmartThings hubs arenāt available and the internet is down (typically to bring the hubs and or internet back up). SmartThings seems to be a bit weird when a single Matter device is paired to two different hubs in the same Location. Most of the time it is like having two separate devices but I discovered when one hub went down both ST devices went offline even though the device could still be controlled by Google. A separate SmartThings Location would probably solve the issue but seems a bit of a sledgehammer to crack a nut, and other third party Matter controllers could probably do the job. It would just be nice to be able to use the platform that is already in place.
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Not ST Hub related but just an idea for folks. You donāt need a HE Hub to make this work
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The other way to make this work, is to use a travel router that can function as a wireless bridge. Iāve used this method for years. I live in a very rural area so internet outages are common. I keep the bridge powered, then if thereās an outage I plug it into the internet port on my router and fire up my hotspot. I can usually make it a few days (I only have 10gb mobile data per phone) if I turn off all my 24/7 camera feeds (they account for 1/2 my 2tb of data usage a month). Seems to always go out on a Friday afternoon, so if I can get to Monday Iām usually good.
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