External storage - Shared folders from external storage (SMB) "does not exist"

[pantherale0]

Steps to reproduce

1. Setup SMB external storage with sharing enabled
2. Share a folder in Nextcloud that is located on the external storage (share via a link)
3. Modify the data contained within the shared folder, but not on Nextcloud (e.g directly in Windows)
4. Attempt to access the shared folder again (from above generated link)

Expected behaviour

The shared folder should continue to load correctly

Actual behaviour

Nextcloud errors with "This file does not exist"

Server configuration

Operating system: Univention Corporate Server (Docker image)

Web server: Apache

Database: MySql

PHP version: PHP 5 (unsure of the minor version number)

Nextcloud version: (see Nextcloud admin page) 13.0.6

Updated from an older Nextcloud/ownCloud or fresh install: Fresh

Where did you install Nextcloud from: Docker image from UCS Software Center

Signing status:
No errors have been found.

Are you using external storage, if yes which one: Yes, SMB

Are you using encryption: No

Are you using an external user-backend, if yes which one: Active Directory

Client configuration

Browser: Google Chrome/Edge/Firefox etc.

Operating system: Windows

Logs

Log file is too big to attach here

[nextcloud-bot]

GitMate.io thinks possibly related issues are #3789 (External storage), #4730 (Storage), #4673 (Share links not working from SMB storage), #9511 (external storage (SMB) slow), and #6802 (Can't update a file in a shared folder from a external SMB storage with Collabora Online).

[jospoortvliet]

You will need to enable change notification in Samba - https://docs.nextcloud.com/server/14/admin_manual/configuration_files/external_storage/smb.html?highlight=smb#smb-update-notifications

Also @VikDex Nextcloud has had this for a long, long time... Time to migrate 👍