== sanity test 421d: rmfid en masse ====================== 08:30:04 (1789389004)
striped dir -i1 -c2 -H crush  /mnt/lustre/d421d.sanity
 - open/close 864 (time 1789389019.44 total 10.01 last 86.33)
 - open/close 1862 (time 1789389029.44 total 20.01 last 99.77)
 - open/close 2887 (time 1789389039.45 total 30.02 last 102.42)
 - open/close 3765 (time 1789389049.46 total 40.03 last 87.75)
total: 4097 open/close in 43.90 seconds: 93.32 ops/second