== sanity test 101b: check stride-io mode read-ahead =========================================================================== 12:51:34 (1736358694)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.060728s, 138.134MB/s
Read-ahead success for size 8192

0.062752s, 133.679MB/s
Read-ahead success for size 16384

0.073537s, 114.073MB/s
Read-ahead success for size 32768

0.062904s, 133.356MB/s
Read-ahead success for size 65536

0.086681s, 96.7756MB/s
Read-ahead success for size 131072

0.059530s, 140.914MB/s
Read-ahead success for size 262144

0.051043s, 164.344MB/s
Read-ahead success for size 524288

0.063707s, 131.675MB/s
Read-ahead success for size 1048576