== sanity test 101b: check stride-io mode read-ahead =========================================================================== 17:55:57 (1786312557)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.406221s, 5.96536MB/s
Read-ahead success for size 8192

1.643349s, 5.10458MB/s
Read-ahead success for size 16384

1.652924s, 5.07501MB/s
Read-ahead success for size 32768

1.929172s, 4.34829MB/s
Read-ahead success for size 65536

1.974691s, 4.24806MB/s
Read-ahead success for size 131072

1.749144s, 4.79584MB/s
Read-ahead success for size 262144

1.320674s, 6.35176MB/s
Read-ahead success for size 524288

1.323914s, 6.33622MB/s
Read-ahead success for size 1048576