== sanity test 421d: rmfid en masse ====================== 13:37:32 (1788629852)
striped dir -i1 -c2 -H crush  /mnt/lustre/d421d.sanity
 - open/close 967 (time 1788629866.95 total 10.00 last 96.65)
 - open/close 1851 (time 1788629876.96 total 20.02 last 88.31)
 - open/close 2791 (time 1788629886.97 total 30.02 last 93.95)
 - open/close 3692 (time 1788629896.97 total 40.02 last 90.10)
total: 4097 open/close in 44.23 seconds: 92.64 ops/second