== sanity test 421d: rmfid en masse ====================== 07:25:10 (1788261910)
striped dir -i1 -c2 -H all_char  /mnt/lustre/d421d.sanity
 - open/close 891 (time 1788261925.12 total 10.01 last 89.04)
 - open/close 1843 (time 1788261935.14 total 20.02 last 95.05)
 - open/close 2736 (time 1788261945.14 total 30.03 last 89.26)
 - open/close 3778 (time 1788261955.15 total 40.03 last 104.13)
total: 4097 open/close in 43.77 seconds: 93.59 ops/second