== sanity test 421d: rmfid en masse ====================== 19:26:07 (1787613967)
striped dir -i1 -c2 -H crush2  /mnt/lustre/d421d.sanity
 - open/close 555 (time 1787613982.75 total 10.00 last 55.47)
 - open/close 1205 (time 1787613992.75 total 20.01 last 64.98)
 - open/close 1881 (time 1787614002.76 total 30.01 last 67.55)
 - open/close 2521 (time 1787614012.76 total 40.02 last 63.98)
 - open/close 3053 (time 1787614022.78 total 50.03 last 53.12)
 - open/close 3576 (time 1787614032.78 total 60.03 last 52.30)
total: 4097 open/close in 69.49 seconds: 58.96 ops/second