These paths are not part of the data layer but of own interfaces.
"/var/snap/ctrlx-node-red/current/solutions/activeConfiguration/node-RED" is a file path. The active configuration and its files can be accessed via WebDAV (/solutions/webdav/appdata) or REST (ctrlX OS -Solution API)
"/media/sd1" is also a file path. The files of USB media can be accessed via REST (ctrlX OS - Storage API) and we are currently working on making it available vie WebDAV.
Please check REST API description via a running ctrlX OS using interactive Swagger UI or description on Github.
ctrlX CORE web UI - API reference and swagger
... View more