== sanity test 421d: rmfid en masse ====================== 10:43:14 (1787668994)
striped dir -i1 -c2 -H crush  /mnt/lustre/d421d.sanity
 - open/close 805 (time 1787669009.29 total 10.01 last 80.40)
 - open/close 1652 (time 1787669019.29 total 20.02 last 84.68)
 - open/close 2502 (time 1787669029.30 total 30.02 last 84.93)
 - open/close 3421 (time 1787669039.31 total 40.03 last 91.85)
total: 4097 open/close in 47.72 seconds: 85.86 ops/second