== sanity test 421d: rmfid en masse ====================== 11:35:45 (1790782545)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d421d.sanity
 - open/close 1029 (time 1790782560.06 total 10.00 last 102.87)
 - open/close 2064 (time 1790782570.06 total 20.01 last 103.44)
 - open/close 3085 (time 1790782580.06 total 30.01 last 102.09)
 - open/close 4016 (time 1790782590.07 total 40.01 last 93.08)
total: 4097 open/close in 40.78 seconds: 100.45 ops/second