Support intro
Sorry to hear you’re facing problems. 
The community help forum (help.nextcloud.com) is for home and non-enterprise users. Support is provided by other community members on a best effort / “as available” basis. All of those responding are volunteering their time to help you.
If you’re using Nextcloud in a business/critical setting, paid and SLA-based support services can be accessed via portal.nextcloud.com where Nextcloud engineers can help ensure your business keeps running smoothly.
Getting help
In order to help you as efficiently (and quickly!) as possible, please fill in as much of the below requested information as you can.
Before clicking submit: Please check if your query is already addressed via the following resources:
- Official documentation (searchable and regularly updated)
- How to topics and FAQs
- Forum search
(Utilizing these existing resources is typically faster. It also helps reduce the load on our generous volunteers while elevating the signal to noise ratio of the forums otherwise arising from the same queries being posted repeatedly).
The Basics
- Nextcloud Server version (e.g., 29.x.x):
Newest
- Operating system and version (e.g., Ubuntu 24.04):
Fedora Server 34
- Web server and version (e.g, Apache 2.4.25):
Newest
- Reverse proxy and version _(e.g. nginx 1.27.2)
Newest
- Is this the first time you’ve seen this error? (Yes / No):
No
- When did this problem seem to first start?
Since I've tried to use another drive
- Installation method (e.g. AlO, NCP, Bare Metal/Archive, etc.)
AIO
- Are you using CloudfIare, mod_security, or similar? (Yes / No)
im using a tailscale config
Summary of the issue you are facing:
Ive tried adding a BTRFS drive multiple times and it never is used as a datadir. I have verified that it has all the correct permissions (including SElinux stuff). I have the drive set up as /mnt/4tb/ with a subdirectory @. I then have another mount that nextcloud uses (/mnt/nextcloud-data) that is binded to the subdirectory @ in /mnt/4tb. This is all permanent in my fstab. What am I doing wrong?
This is my compose file: GNU nano 8.5 - Pastebin.com