Are these extras? Or have you decided that Hubitat is not for you? Or are you hoping the new hub is worthy of the upgrade? Just curious...
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I have 3 hubs, 1 the production, 1 the development (I don't know anything about coding).... and 1 because I wanted to help HE, honestly I had no reason to buy it, I will sell 2 of them, not sure yet if the last one too. I been with mixed feelings lately.
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Equally important to me...will the new hubs coexist with existing hubs? I was thinking about getting a 2nd hub to use as a "Zigbee bulb hub" and maybe a 3rd as a backup (probably left unopened on the shelf). The sale makes it very tempting to do this now, but what if I want/need to add one of the new hubs to the mix down the road? Will they all play well together?
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I think the chances are very low that the new hub will be incompatible - why kill the momentum?
Not sure how you would migrate if the new units have internal radios..
Also worst case you could always link to the old/new hub like we could with ST (& HE).
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The existing hub is pretty complete. Yes it's a "something else" box converted to our use, it has some 'round the world oddities, where there's only one Zigbee USB worldwide but various ZWave USB required.
What would you add? If it were my project, I'd do exactly the same as everyone does.. latest (probably meaning faster) processor and more memory. But those are at a cost and only today @bravenel suggested we're not hitting the limits of the hardware.
There's cost in the USB dongles (plastic cases) that (while not much) would be eliminated. Unless of course the new hub had to be a bigger bit of plastic, I'd use that cost savings to offset the processor/mem to the extent possible. (10 cents of plastic isn't going to boost mem or processor much 
)
But the end result is pretty much what we see in the pics and the (teaspoon of salt) reporting. Same as we have, but all in one. For me, I think the BIG miss would be in duplicating what we have vs what could be.. which in my mind would have included the Lutron Clear Connect Radio (same as Staples Connect had.)
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My scenario above wasn't well thought out, so let's go with something simpler.
If I simply want to replace my existing hub with the next gen hub (just because), would it be possible to use a backup from my existing hub to migrate rules, installed apps, etc to the new hub? I understand the devices themselves would likely need to be paired to the new hub because of the radio change. While that's somewhat annoying, I'm less worried about pairing compared to rebuilding the logic in the rules themselves and installing apps/drivers again.
I suppose I'm also curious how this currently works for a basic backup scenario with two identical hubs.
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My plan with my 2 hubs is keep everything as local to each as possible. So the backups would also be local for each.
I don't know if you can link to more than one hub at a time - I'm not quite ready to start linking yet so haven't gotten into it.
I will say the larger number of devices you have the more painful re-including becomes. So not just rules etc. If you have multiple hubs then you can do it hub by hub instead of all at once.
I wish there was a better way to manage migrations etc. Even ST struggled with their efforts.
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I shortened your query to be able to answer twice...
If your current Hub dies, you'd unplug the USB Radio Stick, and put it into the new one. Then you'd copy a saved backup to the new hub. You'd be running equal to what was... at the moment of backup.
Not as easily because, as you note, the DB that resides out on the Radio stick can't be plugged in, we presume 
I'd like to think that Hubitat thought of this scenario and has at least ONE USB slot in the new hub.
The current hub can have at least 2 ZWave Radios. The one inside the Nortek USB stick and something else. If you boot with 2, it uses the something else first and ignores the ZWave radio in the Nortek stick.
I can't see Hubitat discarding that code by not having a USB. But it's ALL speculation by me.
Since we can easily assume they are as smart as me... if not 10x smarter.. then they will have a process.
ZWave does support Controller Shift, and although their ZWave tools are lacking, it's theoretically possible they will code that up in time for the new hub.
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Just keep in mind if you are thinking of a second hub for load balancing, you can't transfer ALL device types from hub to hub using the HubLink / Link to Hub... It is mainly geared around physical zigbee and zwave devices, not cloud integrated devices (even if using a HE built-in cloud sync app like Ecobee integration).
For instance, you can't transfer an Ecobee thermostat from one hub to another hub... I mean you can transfer the temperature, but not things like thermostatoperatingstate, coolingsetpoint, etc.
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Yes
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Yes
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I see a pattern here. Ask away guys!!
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I don’t think I’m giving too much away here.
Just allaying a few fears
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@erktrek, @csteele, @JasonJoelOld, @Cobra
Thank you all for your responses. I just ordered another hub...couldn't resist. Not sure how/if I'll use it yet, but very comfortable knowing I'll have a backup hub at the very least.
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Am I missing something? Is there a V2 hub on the horizon?
I would think a Hue Hub would be better for this. You get all the benefits and convenience of Hue and it's focused on ZLL.
If you were able to move the stick over from the old hub to the new hub and you had a backup to restore, you would have to do no other work inside HE to get everything up and running again? I thought some of assignments in the DB couldn't be restored that way and would have to be rebuilt?
Is there any chance in the future that we can have a linked garage door opener driver for the Link to Hub App for connecting 2 Hubitat Hubs and a better Omni driver where I can pick what attributes the device supports or have proper virtual drivers instead? The Omni driver works but odd seeing all of the other values and options there that the device doesn't support. Thanks
I bought a second job when I saw this sale and the Link To Hub works great to have a second hub for custom apps and testing.
Just resurrecting this as I'm thinking of ordering another hub as a backup.
My current hub was ordered in April 18 when they were first released to the UK.
My current hub has 2 external sticks, zigbee and zwave, and I believe the latest hub uses an internal zigbee radio but still uses an external zwave stick in the UK version.
So my questions are if I leave things on my original hub taking regular backups to my PC how easy would it be to power up the spare and get things working.
I'm assuming I can transfer the zwave stick to the new hub, restore the latest backup and that would cover my zwave devices. I'm wondering about zigbee. How would that work. Would I just have to pair the zigbee devices to the new hub and that's it. As I've restored the latest backup I'm there.
Just want to get things clear in my mind.
TIA.
Bob
