== sanity test 101b: check stride-io mode read-ahead =========================================================================== 08:24:07 (1788524647)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.704905s, 4.92028MB/s
Read-ahead success for size 8192

1.608830s, 5.2141MB/s
Read-ahead success for size 16384

1.731985s, 4.84335MB/s
Read-ahead success for size 32768

1.828998s, 4.58645MB/s
Read-ahead success for size 65536

1.614069s, 5.19718MB/s
Read-ahead success for size 131072

1.597861s, 5.2499MB/s
Read-ahead success for size 262144

1.389149s, 6.03867MB/s
Read-ahead success for size 524288

1.647321s, 5.09227MB/s
Read-ahead success for size 1048576