Make xrootd fallback optional (opt-in)
Make xrootd fallback optional (checking for the existence of all the files takes a long time with the storage)
see https://gitlab.cern.ch/cp3-cms/bamboo/merge_requests/25#note_2702770
Make xrootd fallback optional (checking for the existence of all the files takes a long time with the storage)
see https://gitlab.cern.ch/cp3-cms/bamboo/merge_requests/25#note_2702770