== sanity test 421d: rmfid en masse ====================== 11:53:03 (1774885983)
striped dir -i1 -c2 -H crush /mnt/lustre/d421d.sanity
 - open/close 871 (time 1774885998.04 total 10.00 last 87.10)
 - open/close 1698 (time 1774886008.05 total 20.01 last 82.62)
 - open/close 2509 (time 1774886018.05 total 30.02 last 81.04)
 - open/close 3266 (time 1774886028.05 total 40.02 last 75.69)
 - open/close 3988 (time 1774886038.08 total 50.05 last 72.01)
total: 4097 open/close in 51.73 seconds: 79.20 ops/second