== sanity test 421d: rmfid en masse ====================== 06:15:15 (1789035315)
striped dir -i1 -c2 -H crush  /mnt/lustre/d421d.sanity
 - open/close 944 (time 1789035329.01 total 10.01 last 94.30)
 - open/close 1831 (time 1789035339.02 total 20.02 last 88.61)
 - open/close 2758 (time 1789035349.02 total 30.02 last 92.70)
 - open/close 3702 (time 1789035359.02 total 40.02 last 94.37)
total: 4097 open/close in 43.64 seconds: 93.88 ops/second