== sanity test 101b: check stride-io mode read-ahead =========================================================================== 10:09:59 (1786630199)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.963241s, 4.27284MB/s
Read-ahead success for size 8192

1.906861s, 4.39917MB/s
Read-ahead success for size 16384

2.206778s, 3.80129MB/s
Read-ahead success for size 32768

1.650371s, 5.08286MB/s
Read-ahead success for size 65536

1.282857s, 6.539MB/s
Read-ahead success for size 131072

1.280889s, 6.54905MB/s
Read-ahead success for size 262144

1.229570s, 6.82239MB/s
Read-ahead success for size 524288

1.468933s, 5.71068MB/s
Read-ahead success for size 1048576