== sanity test 421d: rmfid en masse ====================== 18:11:55 (1781215915)
striped dir -i1 -c2 -H crush2  /mnt/lustre/d421d.sanity
 - open/close 1240 (time 1781215927.78 total 10.00 last 123.98)
 - open/close 2568 (time 1781215937.78 total 20.01 last 132.75)
 - open/close 3996 (time 1781215947.78 total 30.01 last 142.78)
total: 4097 open/close in 30.62 seconds: 133.81 ops/second