== sanity test 421d: rmfid en masse ====================== 02:52:21 (1777013541)
striped dir -i1 -c2 -H crush2  /mnt/lustre/d421d.sanity
 - open/close 2103 (time 1777013553.64 total 10.00 last 210.22)
total: 4097 open/close in 19.52 seconds: 209.92 ops/second