== sanity test 101b: check stride-io mode read-ahead =========================================================================== 16:42:12 (1781210532)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.689316s, 4.96568MB/s
Read-ahead success for size 8192

2.105779s, 3.98361MB/s
Read-ahead success for size 16384

2.169829s, 3.86602MB/s
Read-ahead success for size 32768

2.363280s, 3.54956MB/s
Read-ahead success for size 65536

2.176941s, 3.85339MB/s
Read-ahead success for size 131072

1.757335s, 4.77348MB/s
Read-ahead success for size 262144

1.324278s, 6.33448MB/s
Read-ahead success for size 524288

0.926022s, 9.05876MB/s
Read-ahead success for size 1048576