== sanity test 101b: check stride-io mode read-ahead =========================================================================== 13:13:00 (1785777180)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

2.769138s, 3.02932MB/s
Read-ahead success for size 8192

3.507922s, 2.39133MB/s
Read-ahead success for size 16384

3.352563s, 2.50215MB/s
Read-ahead success for size 32768

2.752518s, 3.04761MB/s
Read-ahead success for size 65536

2.602161s, 3.22371MB/s
Read-ahead success for size 131072

1.913953s, 4.38287MB/s
Read-ahead success for size 262144

1.444864s, 5.80581MB/s
Read-ahead success for size 524288

1.453602s, 5.77091MB/s
Read-ahead success for size 1048576