== sanity test 421d: rmfid en masse ====================== 09:09:11 (1775135351)
striped dir -i1 -c2 -H crush /mnt/lustre/d421d.sanity
 - open/close 845 (time 1775135366.40 total 10.00 last 84.48)
 - open/close 1628 (time 1775135376.41 total 20.01 last 78.28)
 - open/close 2399 (time 1775135386.41 total 30.01 last 77.09)
 - open/close 3201 (time 1775135396.42 total 40.01 last 80.14)
 - open/close 3911 (time 1775135406.43 total 50.02 last 70.93)
total: 4097 open/close in 52.78 seconds: 77.62 ops/second