Nextcloud snap move "data" to seperate Disk. How I solved it for me....

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The Basics

  • Nextcloud Server version (e.g., 29.x.x):
    • snap 30.0.5
  • Operating system and version (e.g., Ubuntu 24.04):
    • fedora 41
  • Web server and version (e.g, Apache 2.4.25):
    • included in snap
  • Reverse proxy and version _(e.g. nginx 1.27.2)
    • n.a.
  • PHP version (e.g, 8.3):
    • included in snap
  • Is this the first time you’ve seen this error? (Yes / No):
    • Yes,
  • When did this problem seem to first start?
    • right after Installation of admin is finished
  • Installation method (e.g. AlO, NCP, Bare Metal/Archive, etc.)
    • snap
  • Are you using CloudfIare, mod_security, or similar? (Yes / No)
    • No

Summary of the issue you are facing:

Setup: small server with 2 SSD’s. first with 64GB for the OS (with snap/nextcloud) and the second with 1TB for “data”.

Moving “data” directory wasn’t succesful using both variants from that wiki.

https://github.com/nextcloud-snap/nextcloud-snap/wiki/Change-data-directory-to-use-another-disk-partition

What worked for me where following steps:

Go through the wiki.

open A nextcloud-shell

sudo snap run --shell nextcloud.occ

look how snap/nextcloud has mounted your drive

mount

In my case it was

/dev/sdb1 on /var/lib/snapd/hostfs/media/nextcloud

put the line of the mount into config.php

‘datadirectory’ => ‘/var/lib/snapd/hostfs/media/nextcloud/data’,

close the nextcloud-shell,
restart nextcloud and the error should be gone.

Hope this helps someone…

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