== sanity test 421d: rmfid en masse ====================== 05:39:25 (1787477965)
striped dir -i1 -c2 -H crush  /mnt/lustre/d421d.sanity
 - open/close 894 (time 1787477981.81 total 10.00 last 89.36)
 - open/close 1573 (time 1787477991.82 total 20.01 last 67.86)
 - open/close 2398 (time 1787478001.82 total 30.02 last 82.43)
 - open/close 3349 (time 1787478011.84 total 40.03 last 94.96)
total: 4097 open/close in 49.03 seconds: 83.57 ops/second