== sanity test 101b: check stride-io mode read-ahead =========================================================================== 09:33:09 (1789479189)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.786137s, 4.69651MB/s
Read-ahead success for size 8192

1.752673s, 4.78618MB/s
Read-ahead success for size 16384

1.890736s, 4.43669MB/s
Read-ahead success for size 32768

2.079975s, 4.03303MB/s
Read-ahead success for size 65536

1.570643s, 5.34088MB/s
Read-ahead success for size 131072

1.229619s, 6.82212MB/s
Read-ahead success for size 262144

1.499093s, 5.59579MB/s
Read-ahead success for size 524288

1.511906s, 5.54837MB/s
Read-ahead success for size 1048576