== sanity test 421d: rmfid en masse ====================== 20:01:10 (1788652870)
striped dir -i1 -c2 -H crush  /mnt/lustre/d421d.sanity
 - open/close 798 (time 1788652885.68 total 10.00 last 79.79)
 - open/close 1511 (time 1788652895.69 total 20.01 last 71.25)
 - open/close 2366 (time 1788652905.70 total 30.02 last 85.42)
 - open/close 3096 (time 1788652915.70 total 40.02 last 72.97)
 - open/close 3867 (time 1788652925.71 total 50.02 last 77.09)
total: 4097 open/close in 52.77 seconds: 77.64 ops/second