== sanity test 101b: check stride-io mode read-ahead =========================================================================== 10:41:45 (1736264505)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.052909s, 158.548MB/s
Read-ahead success for size 8192

0.050332s, 166.666MB/s
Read-ahead success for size 16384

0.051402s, 163.196MB/s
Read-ahead success for size 32768

0.051057s, 164.299MB/s
Read-ahead success for size 65536

0.048269s, 173.789MB/s
Read-ahead success for size 131072

0.048249s, 173.861MB/s
Read-ahead success for size 262144

0.056037s, 149.698MB/s
Read-ahead success for size 524288

0.059492s, 141.004MB/s
Read-ahead success for size 1048576