== sanity test 101b: check stride-io mode read-ahead =========================================================================== 16:44:31 (1775767471)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

1.505611s, 5.57156MB/s
Read-ahead success for size 8192

1.874944s, 4.47406MB/s
Read-ahead success for size 16384

2.267019s, 3.70028MB/s
Read-ahead success for size 32768

1.838333s, 4.56316MB/s
Read-ahead success for size 65536

1.841953s, 4.55419MB/s
Read-ahead success for size 131072

1.579578s, 5.31066MB/s
Read-ahead success for size 262144

1.310071s, 6.40317MB/s
Read-ahead success for size 524288

1.275719s, 6.57559MB/s
Read-ahead success for size 1048576