EDIT: As of 2023-02-26 few years active use this solution is confidently stable. Not a single stale and no problems encountered.   The Issue and cause When SMB share is mounted to Linux you sometimes might encounter mount hanging and you get error stale file handle. Something in terms of: cannot access '/mnt/sharename': Stale file handle This is caused by file being stored into cache and then moved into another disk by the Mover. The file inode changes and client gets c