== sanity test 101b: check stride-io mode read-ahead =========================================================================== 16:26:20 (1790713580)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.605285s, 5.22562MB/s
Read-ahead success for size 8192

1.296862s, 6.46839MB/s
Read-ahead success for size 16384

1.567917s, 5.35016MB/s
Read-ahead success for size 32768

1.865315s, 4.49715MB/s
Read-ahead success for size 65536

1.864904s, 4.49814MB/s
Read-ahead success for size 131072

1.359612s, 6.16985MB/s
Read-ahead success for size 262144

1.241779s, 6.75531MB/s
Read-ahead success for size 524288

1.540350s, 5.44591MB/s
Read-ahead success for size 1048576