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Home Assistant is open source home automation that puts local control and privacy first.
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What device are you guys hosting on? (lemmy.world)

submitted 2 days ago* (last edited 2 days ago) by ohlaph@lemmy.world to c/homeassistant@lemmy.world

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I'm thinking about getting started using Docker and an older Raspberry Pi. I'm already hosting a grafana service on it, so It can't be fully dedicated to ha. So curious what everyone is using.

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[–] Cyber@feddit.uk 2 points 2 days ago (1 children)

It's now running as a VM in ProxMox on a pair of Lenovo M710q mini PCs

So, have you got High Availability setup? If so, I'd like to know more about that part...

[–] llamatron@lemmy.world 1 points 2 days ago (2 children)

So my plan had been to set up a pair of ProxMox hosts, use Ceph to do the shared storage and use HA so VMs could magically move around if a host died. However, I discovered Ceph and HA need a minimum of 3 hosts. HA can be done if you set up a Pi or some other 3rd host that can act as the 3rd vote in the event of a failure but as I didn't have Ceph I've not bothered trying.

I've read Ceph can work on 2 but not well or reliably.

I might setup a 3rd host some day but it seems a bit of a waste as I just don't need that amount of resources for what I'm running.

And I should have known really, I've a bit of a background in VMware, albeit at the enterprise level so I've never had to even think about 2 or 3 node clusters.

[–] Cyber@feddit.uk 2 points 1 day ago (1 children)

Ah, ok.

Yep, I'm in a similar situation... I have a few VMs, but not enough for lots of failover infrastructure... (redundant switches, etc)

I was thinking you might be just cloning 1 device to the other or something.

[–] llamatron@lemmy.world 2 points 1 day ago

Oh I have a pair of D-Link switches (again off ebay) that are stacked together. My router, NAS and both ProxMox hosts have LACP connections to both. And my home WiFi is a couple Aruba IAPs, one on each switch. So if I lose a switch then most things will keep running.

[–] tofu@lemmy.nocturnal.garden 2 points 2 days ago (1 children)

You can do HA in Proxmox with ZFS replication instead of Ceph. Third device something else as you said. It's what I'm doing.

[–] llamatron@lemmy.world 2 points 2 days ago

Thanks, I'll look into it.