Hi, I am using the xrootd version below. I found xrdcp has some problem. In the command below, xrdcp failed to copy the file because the destination directory doesn't exist. But it return 0 which makes me thought it successed. http://xrootd.slac.stanford.edu/download/20091028-1003 (*) [root@higgs15 XrootdMover]# xrdcp root://atlas-bkp2.cs.wisc.edu:1094//atlas/xrootd/atlasdumpdisk/bnl/dumper_15.6.1_tag13_data09_ESD_bnl/data09_2TeV.00142308.physics_L1Calo.merge.DNTUP_COLLCAND.r988_p62_tid101808_00/NTUP/data09_2TeV.00142308.physics_L1Calo.merge.DNTUP_COLLCAND.r988_p62_tid101808_00.1370.root //atlas/xrootd/atlasdumpdisk/bnl/dumper_15.6.1_tag13_data09_ESD_bnl/data09_2TeV.00142308.physics_L1Calo.merge.DNTUP_COLLCAND.r988_p62_tid101808_00/NTUP/data09_2TeV.00142308.physics_L1Calo.merge.DNTUP_COLLCAND.r988_p62_tid101808_00.1370.root Error No such file or directory accessing path for //atlas/xrootd/atlasdumpdisk/bnl/dumper_15.6.1_tag13_data09_ESD_bnl/data09_2TeV.00142308.physics_L1Calo.merge.DNTUP_COLLCAND.r988_p62_tid101808_00/NTUP/data09_2TeV.00142308.physics_L1Calo.merge.DNTUP_COLLCAND.r988_p62_tid101808_00.1370.root [root@higgs15 XrootdMover]# echo $? 0 Wen