== sanity test 101b: check stride-io mode read-ahead =========================================================================== 11:09:21 (1783955361)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.410445s, 5.94749MB/s
Read-ahead success for size 8192

1.910461s, 4.39088MB/s
Read-ahead success for size 16384

1.855403s, 4.52118MB/s
Read-ahead success for size 32768

1.897816s, 4.42014MB/s
Read-ahead success for size 65536

1.853653s, 4.52545MB/s
Read-ahead success for size 131072

1.395720s, 6.01024MB/s
Read-ahead success for size 262144

1.386818s, 6.04882MB/s
Read-ahead success for size 524288

1.271110s, 6.59944MB/s
Read-ahead success for size 1048576