Added -dump to star command to support socket files.

primary.py

@@ -106,7 +106,7 @@ class Server:
         self.log.DEBUG('START run_star',
                        self.config.primary.mount.path,
                        self.path)
-        cmd = [ '/bin/star', '-c', '-acl', '-Hexustar', '-list=-',
+        cmd = [ '/bin/star', '-c', '-acl', '-Hexustar', '-dump', '-list=-',
                 '-no-statistics' ]
         cwd = os.path.join(self.config.primary.mount.path, self.path)
         stdin =  star_socket.makefile('rb')