When you configure a v3.x Local mode share or any v2.x share (except a Stand-Alone share in which you do not specify a remote path to a directory on the origin server), a text file (._rbt_share_lock. txt) that keeps track of which SteelHead owns the share is created on the origin server. Do not remove this file. If you remove the._rbt_share_lock. txt file on the origin file server, PFS does not function properly. V3.x Broadcast and Stand-Alone shares do not create these files.