shuffle only when decreasing size / copying
shuffle only when decreasing size / copying

reneme/cvmfs,Gangbiao/cvmfs,alhowaidi/cvmfsNDN,cvmfs-testing/cvmfs,DrDaveD/cvmfs,cvmfs/cvmfs,trshaffer/cvmfs,bbockelm/cvmfs,Gangbiao/cvmfs,djw8605/cvmfs,DrDaveD/cvmfs,djw8605/cvmfs,djw8605/cvmfs,reneme/cvmfs,Moliholy/cvmfs,bbockelm/cvmfs,reneme/cvmfs,cvmfs/cvmfs,DrDaveD/cvmfs,bbockelm/cvmfs,MicBrain/cvmfs,alhowaidi/cvmfsNDN,reneme/cvmfs,trshaffer/cvmfs,trshaffer/cvmfs,cvmfs/cvmfs,bbockelm/cvmfs,DrDaveD/cvmfs,MicBrain/cvmfs,alhowaidi/cvmfsNDN,Gangbiao/cvmfs,Moliholy/cvmfs,cvmfs-testing/cvmfs,cvmfs/cvmfs,cvmfs-testing/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs,DrDaveD/cvmfs,trshaffer/cvmfs,cvmfs-testing/cvmfs,DrDaveD/cvmfs,alhowaidi/cvmfsNDN,Moliholy/cvmfs,DrDaveD/cvmfs,MicBrain/cvmfs,alhowaidi/cvmfsNDN,djw8605/cvmfs,Gangbiao/cvmfs,djw8605/cvmfs,MicBrain/cvmfs,trshaffer/cvmfs,Moliholy/cvmfs,Gangbiao/cvmfs,MicBrain/cvmfs,Moliholy/cvmfs,bbockelm/cvmfs,cvmfs-testing/cvmfs,reneme/cvmfs