== sanity test 101b: check stride-io mode read-ahead =========================================================================== 13:15:02 (1772907302)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.676263s, 12.4044MB/s
Read-ahead success for size 8192

0.595422s, 14.0885MB/s
Read-ahead success for size 16384

0.602202s, 13.9299MB/s
Read-ahead success for size 32768

0.572515s, 14.6522MB/s
Read-ahead success for size 65536

0.459420s, 18.2591MB/s
Read-ahead success for size 131072

0.440881s, 19.0269MB/s
Read-ahead success for size 262144

0.433530s, 19.3495MB/s
Read-ahead success for size 524288

0.439023s, 19.1074MB/s
Read-ahead success for size 1048576