So my new C8 should be here this coming Monday and I leave for vacation two weeks from then. Past experience tells me not to implement something brand new just before a time (vacation) when you are not available to fix it but I am way to impatient for that. The minute I get the new C8 I will be working at migrating everything over from my C7. No way am I going to leave my new toy packed up until I get back in April. So my question is this.
After I complete the migration, shutdown the C7 and all my ZigBee/Zwave devices are working on the C8, in the event something goes wrong on/with the C8 could I simply turn it off and power up my C7?
Will my ZigBee/Zwave devices still work on the C7 or does the migration transfer the "ownership" of these devices to the C8?
You should be okay doing that as a backup. Migration makes the C-8 look like the C-7 from a radio perspective; so ownership isn't transferred, the device thinks it is talking to the same hub as before.
I think the only issue would be cloud integrations that rely on Maker API, the hub UID, etc. I had to update my hub UID in my Google account to make Google Home integrations work, and my presence integration (Owntracks) required me to update the UID in the mobile app. Those types of things would need to be reverted back to the C-7 Hub settings to function.
But control of devices not dependent on cloud integrations should be fine.
I just had to revert back to my C7, as the C8 zigbee radio went offline and I couldn't get it going again, even after a cold reboot, and my network is 99% zigbee devices so I was almost completely down. What's really strange to me is it worked great for about 15 hours before the zigbee network went down hard. I also left my old actiontiles panels in place, just in case I had to go back (these are based on hub id, which of course changes). Glad I did! Though I'm bummed about the issue, support was super responsive and I appreciate that. I shut down the C8 and fired my C7 back up, and all good again after taking a bit for the zigbee mesh to sort itself out, as usual. Now just awaiting support to let me know next steps with the C8. I don't normally jump on new stuff quickly either, but I had just bought the C7 weeks ago and was attempting to return it once I got the C8 going. Not sure that'll happen now, and I may just end up holding onto the C7 as a backup. It came in very handy in this case!
I have the C8 down still so can't ref the logs, but after about 15 hours of working fine, zigbee went down and nothing I tried (reboot zigbee radio, cold boot hub, reverting firmware code, re-upgrading code, etc.) would get it going again. Zigbee radio showed INITIALISING and wouldn't do anything (was in that state for prob an hour before I shut it down and went back to the C7.
