== sanity test 101b: check stride-io mode read-ahead =========================================================================== 15:24:57 (1787340297)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.934532s, 4.33625MB/s
Read-ahead success for size 8192

1.710825s, 4.90325MB/s
Read-ahead success for size 16384

2.016293s, 4.16041MB/s
Read-ahead success for size 32768

1.700597s, 4.93274MB/s
Read-ahead success for size 65536

1.679904s, 4.9935MB/s
Read-ahead success for size 131072

1.039362s, 8.07092MB/s
Read-ahead success for size 262144

1.545895s, 5.42638MB/s
Read-ahead success for size 524288

1.438242s, 5.83254MB/s
Read-ahead success for size 1048576