/pnfs/diskpool/stn/data

fcdflnx5.fnal.gov > du -sh *
587G    bhelkd
539G    bhelkh
363G    bhelki
2.1T    bhelkp
931G    bhelmi
1.2T    bhelmj
1.3T    bhelmk
7.3T    bhelmm
128G    bhmukd
147G    bhmukh
99G     bhmuki
866G    bhmukp
378G    bhmumi
517G    bhmumj
1.6T    bhmumk
5.3T    bhmumm
1.3T    gset
1.6T    gsetmm

Look like raw data?

/pnfs/diskpool/stn/montecarlo

fcdflnx5.fnal.gov > du -sh *
79K     hel_0p
79K     hel_1p
78K     hel_2p
80K     hel_3p
177K    hel_4p
80K     hmu_0p
80K     hmu_1p
80K     hmu_2p
79K     hmu_3p
177K    hmu_4p
42K     htt_0p
42K     htt_1p
41K     htt_2p
42K     htt_3p
9.5K    htt_4p
80K     lel_0p
78K     lel_1p
633K    lel_2p
79K     lel_3p
79K     lel_4p
79K     lmu_0p
80K     lmu_1p
637K    lmu_2p
79K     lmu_3p
80K     lmu_4p
160K    ltt_0p
162K    ltt_1p
310K    ltt_2p
420K    wel_0p
418K    wel_1p
91K     wel_2p
91K     wel_3p
90K     wel_4p
427K    wmu_0p
426K    wmu_1p
91K     wmu_2p
92K     wmu_3p
91K     wmu_4p
417K    wta_0p
425K    wta_1p
84K     wta_2p
92K     wta_3p
90K     wta_4p
370K    zel_0p
369K    zel_1p
636K    zel_2p
80K     zel_3p
79K     zel_4p
372K    zmu_0p
372K    zmu_1p
642K    zmu_2p
80K     zmu_3p
80K     zmu_4p
819K    ztt_0p
819K    ztt_1p
332K    ztt_2p

Look like top ntuples from various MC simulation. 
Individual files are very small.