== sanity test 101b: check stride-io mode read-ahead =========================================================================== 15:18:20 (1713295100)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

4.358912s, 1.92447MB/s
Read-ahead success for size 8192

4.062063s, 2.06511MB/s
Read-ahead success for size 16384

4.382664s, 1.91404MB/s
Read-ahead success for size 32768

3.888941s, 2.15704MB/s
Read-ahead success for size 65536

4.100595s, 2.04571MB/s
Read-ahead success for size 131072

3.698849s, 2.2679MB/s
Read-ahead success for size 262144

3.556759s, 2.3585MB/s
Read-ahead success for size 524288

3.400844s, 2.46663MB/s
Read-ahead success for size 1048576