== sanity test 101b: check stride-io mode read-ahead =========================================================================== 17:05:30 (1788815130)
striped dir -i1 -c2 -H all_char  /mnt/lustre/d101b.sanity

1.556091s, 5.39082MB/s
Read-ahead success for size 8192

1.254856s, 6.68492MB/s
Read-ahead success for size 16384

1.284133s, 6.53251MB/s
Read-ahead success for size 32768

1.358552s, 6.17467MB/s
Read-ahead success for size 65536

1.037792s, 8.08313MB/s
Read-ahead success for size 131072

1.374675s, 6.10225MB/s
Read-ahead success for size 262144

0.975394s, 8.60023MB/s
Read-ahead success for size 524288

0.862023s, 9.7313MB/s
Read-ahead success for size 1048576