== sanity test 101b: check stride-io mode read-ahead =========================================================================== 08:51:27 (1786711887)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.071391s, 7.82964MB/s
Read-ahead success for size 8192

1.466712s, 5.71933MB/s
Read-ahead success for size 16384

1.655067s, 5.06844MB/s
Read-ahead success for size 32768

1.178596s, 7.11746MB/s
Read-ahead success for size 65536

1.380269s, 6.07752MB/s
Read-ahead success for size 131072

1.206888s, 6.95061MB/s
Read-ahead success for size 262144

1.122666s, 7.47204MB/s
Read-ahead success for size 524288

1.392391s, 6.02461MB/s
Read-ahead success for size 1048576