servers: xtfs_stat returns values != 0 if there is an error (file not found, not an xtreemfs volume...)
servers: xtfs_stat returns values != 0 if there is an error (file not found, not an xtreemfs volume...)

gurkerl83/millipede-xtreemfs,gurkerl83/millipede-xtreemfs,gurkerl83/millipede-xtreemfs,gurkerl83/millipede-xtreemfs,gurkerl83/millipede-xtreemfs,gurkerl83/millipede-xtreemfs,gurkerl83/millipede-xtreemfs