== sanity test 101b: check stride-io mode read-ahead =========================================================================== 21:14:41 (1787102081)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

0.567586s, 14.7794MB/s
Read-ahead success for size 8192

0.615363s, 13.632MB/s
Read-ahead success for size 16384

0.631206s, 13.2898MB/s
Read-ahead success for size 32768

0.611232s, 13.7241MB/s
Read-ahead success for size 65536

0.566461s, 14.8088MB/s
Read-ahead success for size 131072

0.495933s, 16.9148MB/s
Read-ahead success for size 262144

0.465552s, 18.0186MB/s
Read-ahead success for size 524288

0.456165s, 18.3894MB/s
Read-ahead success for size 1048576