== sanity test 101b: check stride-io mode read-ahead =========================================================================== 10:04:26 (1787061866)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

0.543311s, 15.4398MB/s
Read-ahead success for size 8192

0.551731s, 15.2042MB/s
Read-ahead success for size 16384

0.592870s, 14.1492MB/s
Read-ahead success for size 32768

0.579415s, 14.4777MB/s
Read-ahead success for size 65536

0.525363s, 15.9673MB/s
Read-ahead success for size 131072

0.471424s, 17.7942MB/s
Read-ahead success for size 262144

0.475596s, 17.6381MB/s
Read-ahead success for size 524288

0.579275s, 14.4812MB/s
Read-ahead success for size 1048576