== sanity test 101b: check stride-io mode read-ahead =========================================================================== 21:53:38 (1789178018)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.665702s, 5.03608MB/s
Read-ahead success for size 8192

1.465986s, 5.72216MB/s
Read-ahead success for size 16384

1.699818s, 4.935MB/s
Read-ahead success for size 32768

1.736593s, 4.8305MB/s
Read-ahead success for size 65536

1.398828s, 5.99688MB/s
Read-ahead success for size 131072

1.130361s, 7.42118MB/s
Read-ahead success for size 262144

1.374692s, 6.10217MB/s
Read-ahead success for size 524288

1.145214s, 7.32493MB/s
Read-ahead success for size 1048576