== sanity test 421d: rmfid en masse ====================== 15:05:43 (1788807943)
striped dir -i1 -c2 -H crush  /mnt/lustre/d421d.sanity
 - open/close 1016 (time 1788807957.56 total 10.00 last 101.58)
 - open/close 2256 (time 1788807967.58 total 20.01 last 123.86)
 - open/close 3387 (time 1788807977.58 total 30.02 last 113.07)
total: 4097 open/close in 36.08 seconds: 113.56 ops/second