Upon reviewing the new Storage Insight feature, I noticed that the system takes up more than 40 GB of space.
That’s too much space, in my opinion. How can I see what’s taking up the space?
My installation:
My NUC with HAOS on bare metal has 18.9 GB, so it must be counting other things to the system. I do hve my database in a Mariadb addon, so the recorder database might explain the difference. Although I must admit I would not expect that to be counted as system.
If you want more detail see my guide on how to check used storage.
You can see the paths it checks here.
I found the following:
/mnt/data/supervisor/tmp 24.6 GiB
/mnt/data/docker/overlay2 26.8 GiB
In tmp, old broken backups are being stored, so I deleted them by connecting via ssh using this tutorial:
As a note to others investigating a large backup (not bragging about size but 18.9GB here!).
I found .git/objects/pack was 18GB. An automation pushing github backups of “/config” was growing over years of tinkering, storing every commit ever made. Additional issues with .gitignore and some clumsy git usage adds up. Oops.
In my case, old branch movements and dangling commits were neither intentional nor valuable.
git reflog expire --expire=now --all
git gc --prune=now --aggressive
And afterwards:
cd /homeassistant
du -sh .git
24.6M .git
Hope this helps others frustrated by backup storage.