Has anyone got a working config for putting the data files on a separate USB disk? I want them outsider of the container to avoid ruining my sd card.
I just asked the same here - How to move influx.db to external disk when running hass.io on Pi? - sorry, did not mean to double post. Now linked.
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I ended up solving it by doing a stand-alone install and editing the influxdb.conf-file:
dir = "/mnt/d5899f34-4cea-448a-88a1-e889e262208d/influxdb/meta"
dir = "/mnt/d5899f34-4cea-448a-88a1-e889e262208d/influxdb/data"
wal-dir = "/mnt/d5899f34-4cea-448a-88a1-e889e262208d/influxdb/wal"
/mnt/d5899f34-4cea-448a-88a1-e889e262208d/ is an external USB key.
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Two questions:
1.- Could you explain the ‘stand alone’ installion?
2.- Would it be possible to copy influxdb data from an old installation in the SD to USB?
Best regards
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1: I’m running the hass.io docker container on a Raspberry pi 3 in the dietpi OS. So instead of installing Influxdb from within hassio web GUI, I installed it on the Raspberry Pi. This will not work if you installed the hass.io image though.
2: Yes, that’s what I did.
So - you find a workaround - by having a “standalone” Linux underneath. Well done. What about other plugins - are you doing them the same way, or is it still possible to do enable these within Hass.io??
Anyway - I’d still like to know if anybody has done it within the hass.io “standard” framework… I am not a developer, but I guess I’d want a setting or configuration option on the Influx.db plugin - to point to a db. destination of choice.
Yes, add-ons can be run as usual from hass.io. I’ve got Grafana and the IDE running also on the same machine.
Old thread, but I’m picking it up.
Have there been any updates to this? I’m new to Hass.io and I just realized that the db will be an issue over time. I got a plan to monitor temperatures inside and outside and compare to power consumption.
Would be great to know if it’s possible one way or another. I think that my last resort will be getting a NAS and run influx on that, since that is the only solution I found so far.
Influx on External Disk
Here somebody has achieved this 
. He is running InfluxDB outside of Hassio and Graphana as Hassio add on.
Note that I wasn’t able to move just the data to an external disk while keeping the InfluxDB engine and config in the Hass . io addon.
Instead, I moved the entire InfluxDB installation to a separate docker container, not managed by Hass . io. This gave me the ability to do whatever I want with the data path. Grafana is still running as a Hass . io addon.
I was worried about the SD card in my RPi too. Best solution I’ve found is to change the entire datadisk: Common Tasks - Operating System - Home Assistant
Perhaps a bit more… drastic? than you may want, but definitely a valid option to store data on a separate external HDD without needing a separate server running docker or anything else.