== sanity test 421d: rmfid en masse ====================== 10:52:06 (1789138326)
striped dir -i1 -c2 -H crush2  /mnt/lustre/d421d.sanity
 - open/close 621 (time 1789138341.19 total 10.01 last 62.04)
 - open/close 1349 (time 1789138351.23 total 20.04 last 72.56)
 - open/close 2223 (time 1789138361.23 total 30.05 last 87.33)
 - open/close 3021 (time 1789138371.24 total 40.06 last 79.75)
 - open/close 3911 (time 1789138381.25 total 50.06 last 88.94)
total: 4097 open/close in 52.04 seconds: 78.73 ops/second