== sanity test 101b: check stride-io mode read-ahead =========================================================================== 21:14:23 (1713402863)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

4.795164s, 1.74939MB/s
Read-ahead success for size 8192

7.364071s, 1.13913MB/s
Read-ahead success for size 16384

5.288101s, 1.58632MB/s
Read-ahead success for size 32768

3.852087s, 2.17768MB/s
Read-ahead success for size 65536

6.660817s, 1.2594MB/s
Read-ahead success for size 131072

4.712495s, 1.78008MB/s
Read-ahead success for size 262144

5.045367s, 1.66264MB/s
Read-ahead success for size 524288

3.199361s, 2.62196MB/s
Read-ahead success for size 1048576