At this level
cloud.substratum.filesystem ยท 2- cloud.substratum.filesystem.drive object A Substratum Drive root on the owner PDS. The drive display name is NOT stored here; it lives in the metadata file on the private Swarm blockstore (ADR 91).
- cloud.substratum.filesystem.driveEntry object A filesystem entry in a Substratum Drive. The path is NOT stored here; it lives in the metadata file on the private Swarm blockstore (ADR 91). The record rkey equals entryId.